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The Intel Core i9-9900KS: the gigahertz vs Ryzen

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The whole story of the appearance on the market of Core i9-9900KS from its very beginning made us feel deja vu. Why? It’s very simple, similar events we found sixteen years ago, when AMD released its revolutionary Athlon 64 and Athlon 64 FX to a class of Hammer. Then, to repel these innovations, Intel urgently organized the release is equipped with 2 MB L3-cache of the Pentium 4 Extreme Edition, hastily converted from a server chip Xeon MP. Now, of course, the situation is somewhat different scenario, but the General plot outline remains the same. Without the ability to symmetrically respond to the daring encroachments of rival, Intel gets out as he can and instead of the new product family offers temporary flagship processors “rapid response”.

Core i9-9900KS is such made from scrap materials response Ryzen third generation. Remember, the announcement of the impending release of the Intel CPU made in early June at Computex – just a few days before the announcement Ryzen 3000. The significance of this step was easily guessed is just that, at which point it was made, because in reality, the Core i9-9900KS made it to the market only a few months in November. At that, what about Core i9-9900KS would have to say so far in advance, there is is a slightly overclocked version of OCTA-core Core i9-9900K, which in reality should be the main trump card of Intel only for the next few weeks, high pre-Christmas demand.

A full answer to Intel Ryzen 3000 we will see soon enough. Issue 10-core processors in Comet Lake is scheduled for the first quarter of 2020. But if you want to put new Intel under the tree, the content will be Core i9-9900KS. However, do not think that it would be something like a “consolation” gift. Intel about skromnosti says about Core i9-9900KS this: “based on the Core i9-9900K, we made the world’s best gaming CPU is even better, “and it seems to be true.

Translated to marketing, this thesis means that received in the sale of Core i9-9900KS is a special version of the Core i9-9900K, built on selected semiconductor crystals, able to work at even higher clock frequencies. Moreover, the “special” literally: letter S that appeared in the end of the model number – it is short for Special Edition. Formal specs are such that Core i9-9900KS able to work on “beautiful” 5.0 GHz with simultaneous load on all eight cores. Confuses only one: the warranty period of such accelerated processor is limited to one year, while on a conventional Core i9-9900K (in single package) is given a three-year warranty.

The exclusivity of the Core i9-9900KS manufacturer underlines with a story that, for the manufacture of such a CPU it has to use a special procedure for the selection of semiconductor chips, causing the circulation of such processors becomes quite small. What specific number of “special” chips will be put on the market not reported, but you can be sure that in the next year to buy a Core i9-9900KS in the store will be problematic. This is due in part to the fact that the margin for the tab for the Special Edition and 5-GHz frequency is not so large and not able to become a major obstacle for buyers. The recommended price of the Core i9-9900KS — $513 for just $25 more than the cost of conventional Core i9-9900K.

However, the question of whether or not to chase it for a Core i9-9900KS, still remains, and the answer is we will try in this review in which we compare the new Intel with available alternatives from the same price category, among which the most interesting is not even the usual Core i9-9900K, and 12-core AMD Ryzen 9 3900X.

#Read more about Core i9-9900KS

Core i9-9900KS was the fifth member of the family Coffee Lake Refresh received model number 9900. His colleagues have always offered eight cores with support for Hyper-Threading technology and had a 16-megabyte L3-cache, but differed thermal package, with overclocking potential, the target frequencies and the presence or absence of the integrated graphics core. At the Core i9-9900KS as the culmination of the evolution of the ninth generation Core, all of these characteristics are unscrewed on a maximum value, but when matching with a previously released related processors, formal specification of Core i9-9900KS imagination does not impress.

Core i9-9900KS Core i9-9900K Core i9-9900KF Core i9-9900 Core i9-9900T
Cores/threads 8/16 8/16 8/16 8/16 8/16
Base frequency, GHz 4,0 3,6 3,6 3,1 2,1
Turbo frequency (max) GHz 5,0 5,0 5,0 5,0 4,4
L3 cache MB 16 16 16 16 16
Acceleration There There There No No
Integrated graphics UHD 630 UHD 630 No UHD 630 UHD 630
Memory, DDR4 2 × 2666 2 × 2666 2 × 2666 2 × 2666 2 × 2666
TDP, watts 127 95 95 65 35
Price $513 $488 $463 $439 $439

Imposing this table looks, except the calculated dissipation Core i9-9900KS — 127 watts. However, among the mass of processors there have been instances and hotter enough to remember, for example, about Intel Core 2 Extreme or AMD FX Black Edition thousandth series.

More high than the other 9900, the base frequency of the Core i9-9900KS absolutely nothing. First, as we know it, Intel never really work, and the real frequency determines the aggressiveness of the technology Turbo Boost 2.0. Second, the growth of the base frequency is a direct result of raising the heat of the package, because under the current wording, TDP just is defined as the dissipation of the processor at nominal base frequency.

Therefore, in order to assess the uniqueness of Core i9-9900KS fully, you need to look deeper, up to the maximum achievable within the turbo mode frequency when the load on different number of cores. It’s funny that recently Intel decided to remove information about the value of open access, and now the company is faced with the fact that this was done completely in vain, because without this advantage, Core i9-9900KS not to show it. However, with some patience the value of turbo frequencies can be ascertained experimentally or by using diagnostic utilities.

And only in this case the advantages of Core i9-9900KS become clearer: when the load on the six and more cores that the processor is allowed to operate at 300 MHz or 6.3% faster than Core i9-9900K and Core i9-9900KF.

  Base frequency, MHz Maximum frequency in turbo mode, MHz
8 cores 7 cores 6 cores 5 cores 4 cores 3 core 2 cores 1 core
Core i9-9900KS 4,0 5,0 5,0 5,0 5,0 5,0 5,0 5,0 5,0
Core i9-9900K 3,6 4,7 4,7 4,7 4,8 4,8 4,9 5,0 5,0
Core i9-9900KF 3,6 4,7 4,7 4,7 4,8 4,8 4,9 5,0 5,0
Core i9-9900 3,1 4,6 4,7 4,7 4,8 4,8 4,9 5,0 5,0
Core i9-9900T 2,1 3,6 3,8 3,9 4,0 4,1 4,2 4,3 4,4

In fact, however, all this does not mean that by selecting Core i9-9900KS for your system, you will get 5.0 GHz at any load. Don’t forget that the turbo frequency is the maximum autorange, which is possible, but not guaranteed. The Turbo Boost technology 2.0 automatically increases CPU frequency not just on the basis of the number of operating cores, and taking into account other parameters, in particular, the nature of the load and, most importantly, caused by her consumption. The theory of sets of power consumption of the processor in turbo mode two limit values PL1 and PL2, which limits its short-term and long-term loads. Limit PL2, specifies the maximum consumption for long time intervals, is assumed to be the nameplate value TDP. The same limit PL1 is typically set to one quarter above PL2, allowing the processor to consume more than laid down in TDP, but only for small periods of time. Limit the duration of such time intervals is defined by the constant τ, which, according to the specification, can be selected in the range from 1 to 8 seconds.

All this means that when designing the Core i9-9900KS was laid, that he will consume no more than 127 watts when used for long periods and not more than 159 W for short. And consumption limits with a 5-gigagertsevogo frequency is clearly incompatible. For example, even Core i9-9900K at its turbo frequency of 4.7 GHz in multithreaded rendering in Cinebench R20 consumes around 195 watts. The new Core i9-9900KS at a frequency of 5.0 GHz in this test shows a consumption of about 220 watts.

So if all was fair and in accordance with the specification, it would be no 5.0 GHz we would not have seen even close. The following chart illustrates this, where we have built a frequency curve Core i9-9900KS depending on the load in Cinebench R20, built upon the work of the CPU with the correct limits PL1 and PL2 mounted to 127 and 159 watts. Immediately given, and a similar curve for Core i9-9900K, which are the limits in accordance with the specification set to a quarter lower at 95 watts and 119 watts.

Although Core i9-9900KS and operates with significantly higher frequency compared to Core i9-9900K, about any 5 GHz under full load it still is not. This frequency can be observed if the number of busy threads does not exceed six, and no more. Maximum load in the multi-threaded Cinebench R20 cuts the frequency of Core i9-9900KS to 4.5 GHz due to the fact that silicon Coffee Lake Refresh, produced by 14-nm technology, crossing the line in the 4.4-4.5 GHz is always sharply increasing energy appetite.

However, all of these concerning the frequency of surveys is interesting theoretically, because motherboard manufacturers with the tacit consent of Intel simply ignore the limits PL1 and PL2, setting them to maximum. To meet some meaningful setting these limits is possible only on low-cost motherboards with weak power, the overwhelming majority of Z390 platforms the default is twisting these limitations in maximum and obviously unattainable values. And that’s why reducing the frequency with the growth of power consumption within specification TDP in reality, Intel is not observed.

Until now, such a liberal attitude to power settings went Intel and motherboard makers with it. Everyone was happy, because the users eventually received while not as economical as stated in the specifications, but automatically overclock to the maximum turbo mode frequency of the system with improved performance.

But the Core i9-9900KS this focus takes place with difficulty. Operating at a frequency of 5.0 GHz, this CPU produces so much heat that can deal with it only selected cooling system. For example, during testing of our copy Core i9-9900KS we are faced with the failure of our usual air supercooler Noctua NH-U14S and NH-D15. And with a one-body and two-piece tower CPU when running Prime95 29.8 quickly reached the limit temperature of 115 degrees and sinking into the throttle. To achieve stable operation Core i9-9900KS at a frequency of 5.0 GHz in any program, without exception, was possible only after the transition to liquid cooling. Not aby what, and one of the most effective LSS closed loop NZXT Kraken X72, which includes a 360-mm radiator.

NZXT Kraken X72

NZXT Kraken X72

But even with such a powerful DLC the CPU temperature during the tests reached values of 108 degrees, which, however, is natural, given the 275-watt power Core i9-9900KS under heavy load, seasoned with AVX2 instructions.

All this means that the owners of the Core i9-9900KS unprepared cooling this processor properly, you can easily deal with temperature was throttling, even if they are armed with quite a powerful cooling system and will not overclock it. We are confident that soon the forums and groups in social networks will be swamped with complaints about overheating Core i9-9900KS with the default settings. From Intel there is only one way to avoid this: how to negotiate with producers of motherboards, that at least in the case of Core i9-9900KS they didn’t ignore setting consumption limits.

Of course, you need to keep in mind that we checked the temperature in Prime95 29.8 program, very much warming the processors search for the Mersenne numbers. Such heating occurs in the common problems not so often, but, for example, a high risk of overheating is, in the transcoding of video content modern encoders or rendering. Therefore, by setting the system Core i9-9900KS, better some time to devote to checking temperature and setting it up. We would recommend either to manually pick the consumption limits PL1 and PL2, or set down amendment to the frequency when using AVX instructions, or try to reduce the voltage. And the stories about the 5.0 GHz out of the box always and everywhere do not need to believe: this is hyperbole (literary exaggeration).

Here there is a reasonable question, and it better Core i9-9900KS than Core i9-9900K, if the 25-dollar overpayments for this CPU ensures no overheating to 5.0 GHz and also inevitably dooms the user to careful selection of cooling and additional configuration of the system? But the answer is still positive. As a minimum, Core i9-9900KS really based on selected crystal Lake Coffee Refresh, resulting in slightly lower temperatures and consumption at the same frequency and voltage. For example, we compared the thermal and power characteristics at our disposal copies of Core i9-9900KS and Core i9-9900K at a frequency of 4.7 GHz at a voltage of 1.25 V with liquid cooling system NZXT Kraken X72. And as can be seen from the results obtained when running a stress test like Prime95, Core i9-9900KS really is ceteris paribus more efficient and colder.

4.7 GHz, 1.25 V The maximum temperature Maximum consumption
Core i9-9900KS 86°C 218 W
Core i9-9900K 90°C 226 W

In addition, the Intel Core i9-9900KS, in contrast to Core i9-9900K and Core i9-9900KF guaranteed based on semiconducting crystals of R0 stepping CPU. This means that they have appeared hardware patches for some high-profile vulnerabilities, in particular Fallout and the Spectre V4 (Speculative Store Bypass). However, from a practical point of view it means not too much. Hardware fixes, like their software counterparts, about the same performance impact, and, ultimately, users of Core i9-9900KS did not win, except for the lack of the need to update the firmware and install critical operating system updates and software.


Given how heated Core i9-9900KS when working in nominal mode at 5.0 GHz, to expect from him some of the feats of acceleration would be weird. However, to achieve higher frequencies, overclockers can use special spare tool that helps with overclocking HEDT-Core processors, X-series. Namely, the limit frequency when operating the CPU with AVX instructions.

That in the case of Core i9-9900KS it can have a positive impact on the result, he says, for example, that resort to it all the foreign shops offering samples of Core i9-9900KS with a guarantee of overclocking. And Caseking.deand when you sort processor share reduction amendment -2 or -3 for the coefficient of multiplication when working with AVX instructions.

But it did not help. Our copy Core i9-9900KS could not ensure stability at the frequency of 5.1 GHz when working with resource-consuming programs, even if they did not use AVX instructions. In other words, the processor was actually, without any overclocking potential, 5.0 GHz – his ceiling.

However, to be surprised about this absolutely should not be. We are dealing with already pre-overclocked factory CPU that was selected among the usual Core i9-9900K just on the principle of performance at 5.0 GHz. And if its overclocking potential would allow to take a more distant frontiers, Intel probably would have used it to improve the performance of its proposal, because it is not a mass product, but on a special limited-edition series of processors.

In fact, all this is well corroborated by the results of the selection of the most successful representatives of family Core i9-9900KS, which is conducted by specialists of the store Collected them according to the statistics dispersed on 5.0 GHz only one of the three copies of Core i9-9900KS. And we obviously “happy” chip this time not got.


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PC / Laptop

Overview motherboard ASUS ROG Strix X299-E Gaming II: third edition, revised and augmented

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At the end of last year, Intel updated the lineup of its Core-X, aimed at high-performance desktops class HEDT. The proposals of the family Cascade Lake-X is not struck the imagination of the improved performance, but only slightly increased operating frequencies and received support for further instructions AVX512VNNI. Moreover, they proved to be compatible with older motherboards that created a unique precedent in the history of Intel: socket LGA2066 now suitable for three successive generations of processors, and continues to be relevant for the fourth consecutive year. However, this does not mean that any updates to the platform with the release of new CPU did not happen.

The fact that there is a caveat. The new Core-X-design Cascade Lake-X received the support of a greater number of lines PCI Express. While their predecessors had in the best case, 44 lines, any Core-X ten-thousandth of a series already support 48 lines PCI Express 3.0. And to these additional lines before you can use the motherboard design needs to be slightly modified. In other words, despite the fact that Cascade Lake-X is able without any problems to operate in the old LGA2066 cards, fully all their possibilities can be opened only in a new, specially made with an eye on these processors.

Although Intel did not accompany the appearance of Cascade Lake X with the release of a new chipset and offers to continue to use the old X299 chipset, motherboard manufacturers have decided not to miss the chance and most of them presented an updated modification of the old platforms, converted specifically for Cascade Lake-X. These boards, of course, kept compatibility with old processors Skylake-X, but when you install them chips of the new generation got the opportunity to offer the user a slightly better performance. Today we look at one of the X299-mainboard new wave – ASUS ROG Strix X299-E II Gaming, which can be considered the third re-release of the ROG Strix X299-E Gaming, revised and expanded.

Why third when the name of the novelty is a Roman numeral “two”, you ask? The fact is that between ROG Strix X299-E Gaming and ROG Strix X299-E Gaming II there is another, “intermediate” fee ROG Strix X299-XE Gaming, with improved cooling system power scheme, which was released almost immediately after the first version, under public pressure, found that the initial fee was prone to overheating. As for the new ROG Strix X299-E II Gaming, the ASUS engineers did not just take into account all the shortcomings of the antagonist in the past, and have tried to improve the original design and high quality, as close your project to the ideal.

However, a little discouraging recommended price ROG Strix X299-E II Gaming, which is set at $499. But do not immediately dismiss this option, based on what to buy for Cascade Lake-X motherboard, for the price which can be purchased, for example, 10-core Intel Core i9-10900X, makes no sense. In fact it is not so scary, and real retail price of the ROG Strix X299-E II Gaming over the last few weeks has fallen dramatically. So now this Board is already turning out to be quite an interesting option to build a new LGA2066 system. And when it seems – need to test.


How would accompanying the release of processors Cascade Lake-X, ASUS has prepared two new ROG series motherboards: maximum heaped ROG Rampage VI Extreme Encore and pay easier – considering today ROG Strix X299-E Gaming II. However, “easier” in this case is a very relative definition, because the features of this motherboard will suit almost any enthusiast. It has three PCIe x16 slots; three slots M. 2; two wired NICs, one of which is a 2.5 GB; supports wireless Wi-Fi network 6 and can boast more than a sufficient number of USB and SATA ports. In other words, we are talking about a feature-rich platform, which is justly attributed to the solutions for LGA2066 processors at the senior level.

However, in fairness it should be noted that, if you pay attention to the other boards in the same price category, some of them can be found on the single PCIe x16 slot more other – 5 Gigabit network controller, and the third – fangled USB ports 3.2 Gen2x2 with throughput up to 20 Gbit/s. All this on a ASUS ROG Strix X299-E Gaming II no, but it boasts four USB ports 3.2 Gen 2 on the back panel, which motherboards by other manufacturers, as a rule, half.

Get acquainted with the characteristics of the ASUS ROG Strix X299-E Gaming II in the following table.

ASUS ROG Strix X299-E Gaming II
Supported processors LGA2066 Core processors to X series 7000, 9000 and 10000
Chipset Intel X299
Memory subsystem 8 × DDR4, up to 256 GB, up to DDR4-4266, four channel
Expansion slots 2 × PCI Express 3.0 x16 (mode x16)
1 × PCI Express 3.0 x16 mode (x8/x4)
1 × PCI Express 3.0 x4
1 × PCI Express 3.0 x1
The storage interface 8 × SATA 6GB/s
2 × M. 2 (PCI-E 3.0 x4 devices format 2242/2260/2280/22110)
1 × M. 2 (PCI-E 3.0 x4/SATA devices format 2242/2260/2280/22110)
USB ports 3 × USB 3.2 Gen2 on the rear panel
1 × USB 3.2 Gen2 Type-C on the rear panel
1 × USB 3.2 Gen2 Type-C internal connector
2 × USB 3.2 Gen1 on the rear panel
4 × USB Gen1 3.2 internal connectors
4 × USB 2.0 rear panel
4 × USB 2.0 internal connectors
Network controllers 1 × Intel I219V (Ethernet 1 Gbps)
1 × Realtek RTL8125-CG (Ethernet 2.5 Gbit/s)
1 × Intel Dual Band Wireless AX200NGW/CNVi (Wi-Fi 802.11 a/b/g/n/ac/ax (2.4/5 GHz) + Bluetooth 5.0)
Audio 1 × SupremeFX S1220A (7.1)
Interfaces on the rear panel 1 × USB Gen2 3.2 (Type-C)
3 × 3.2 Gen2 USB (Type-A)
2 × USB 3.2 Gen1
4 × USB 2.0
2 × RJ-45
5 x audio jacks are of type minijack
1 × S/PDIF (optical output)
2 × antenna connectors
button FlashBack Button
Form factor ATX (305 × 244 mm)
Price $499 (recommended)

The difference with the first version of your ASUS ROG Strix X299-E Gaming clearly visible even in the specifications. The newest version of the Board diminished one PCIe x4, but added a third M. 2 slot and a second a 2.5 Gigabit LAN and two additional USB port 3.2 Gen2. And I must say, this is not all. Already on the image Board it is clear that in the latest version, we now use a more advanced cooling system and a more powerful power system to which it has become possible to connect directly two 8-pin power cable. All the details we’ll talk about that later.

#Packaging equipment

ASUS ROG Strix X299-E Gaming II comes in a relatively small box, clearly disproportionate to the value of this Board. However, as it will be easier to carry from the store.

The packaging has a striking black and red design. The front side is given over to large photo of the motherboard, and on the reverse is a more detailed information about the characteristics. We always pay attention to what the technology marketing Department of the manufacturer has decided to highlight the box themselves, and in the case of ROG Strix X299-E Gaming is II: support 2.5-Gigabit network and WiFi 6, three M. 2 slot is for installing drives, branded diagnostic OLED screen LiveDash and connectors for addressable led strips of the second generation.


The supplied ROG Strix X299-E II Gaming imagination is not amazing, although it is unlikely someone will guess to call him a miser. To the Board included:

  • the mounting for the M. 2 drive in the vertical slot;
  • four SATA cable;
  • two screws to install the M. 2 drives;
  • Wi-Fi antenna;
  • extension cable for connecting led strips with a length of 80 cm;
  • extension cable to connect addressable led strips;
  • external temperature sensor;
  • ASUS Q-Connector to connect the case buttons and indicators;
  • a set of cable ties;
  • DVD with drivers and software;
  • stickers and printing products.

It should be noted that the necessary drivers and software to motherboard ASUS continues to put on a DVD-ROM, which frankly, in modern conditions seems somehow anachronistic. However, if your system will be optical device to come to the aid of technology Armoury Crate which allows you to automatically download and install software over the Internet. It works in Windows 8 and 10 using the function of the Windows Platform Binary Table that performs automatic backup of UEFI and the startup after loading a pre-trained manufacturer service utilities.

#Design and capabilities

During the existence of the platform LGA2066 we posted about it countless articles. Therefore, to discuss in detail all possible model ASUS ROG Strix X299-E Gaming II, we will not — focus only on unique and characteristic traits, which, as it turned out, she had a lot. And to start here is directly from the CPU rasheem because, as it turns out, the new ASUS with a full range LGA2066 CPUs are not compatible. A list of suitable models for it includes CPU Core X seven thousandth, thousandth and ten-thousandth of a series design Allows Cascade Lake X or-X, but for some reason does not include Quad-core processors Kaby Lake-X (Core i7-7740X and Core i5-7640X). However, it is unlikely it will bring great inconvenience: Kaby Lake-X is a rare beast, though from sale until it finally disappeared.

The second feature of the ASUS ROG Strix X299-E Gaming II relates to the memory subsystem. Like other LGA2066-motherboard, it supports Quad channel DDR4 SDRAM, but for her, including the declared support for modules with capacity up to 32 GB. In the compatibility list lists several proven ASUS variants, in particular, fit 32-GB strap Corsair, Crucial, Micron or SK Hynix, which are based on chips production SK Hynix or Micron.

But register memory to your ASUS ROG Strix X299-E II Gaming does not work, although their application to certain boards based on X299, perhaps. It proved the engineers at ASRock, which recently added support for RDIMM in your motherboard X299 Taichi CLX.

The new processors Cascade Lake-X received 48 lines PCI Express 3.0, and it is with an eye on these processors, created a draft of ASUS ROG Strix X299-E Gaming II. In this card on the processor lines of PCI Express “hang” three PCIe x16 slot operating in modes x16, x16 and x8, and two of the three M. 2 sockets – those located on the Board flat and closed “wings” of the chipset. They only support NVMe drives, and each of them is four lines PCI Express 3.0. In this scheme of distribution lines there is no variation, everything works exactly as described above with any combination of installed cost of expansion cards and drives.

However, if the ASUS ROG Strix X299-E Gaming II will be installed the processor Skylake-generation-X with 44 lines of PCI Express, the third PCIe x16 slot will switch from the logical mode x8 in x4. In the case of installation in processor Board with 28 lines (which is a Core i7-7820X or Core i7-7800X) in mode x8 switch and the second PCIe x16 slot and the CPU will turn off the M. 2 slots.

All three of the PCIe x16 slots have a mechanical reinforcement and separated so that they could install an expansion card with a massive cooling systems.

The remaining two PCIe x4 and PCIe x1 are operating from the chipset, and the small slot shares resources with the USB connector 3.2 Gen2 to the front panel. However, the probable loss of the PCIe x1 is unlikely to upset someone because he still is under the first PCIe x16 slot will be blocked by the graphics card.

The chipset provides eight SATA connectors placed along the left edge of the Board, and the third M. 2 slot, which is to talk separately. First, this is the only M. 2 socket on the ASUS ROG Strix X299-E II Gaming, which is able to take the SATA drives in that format. Second, it is located in a rather unusual place – in front of the DIMM slots. So drives are installed in it vertically, and for their reliable fastening ASUS has included a special metal frame. Frankly, we like the idea of a vertical M. 2, because in this case the drive is easy to organize a good cooling. However, sometimes you have to meet the complaint that a vertically mounted drive mixes with cooling the memory.

Amid LGA2066-plat of past generations of ASUS ROG Strix X299-E Gaming II stands out not only by the presence of three M. 2 slots, but the increased number of USB ports. It is taken from the chipset, six 5-Gigabit ports USB 3.2 Gen 1 the developers added five more 10-Gigabit ports USB Gen 2 3.2. Four high-speed port is displayed behind the Board, and one is made in the form of internal connector and designed for connection to a connector on the front panel. In order to accommodate this amount of USB ports 3.2 Gen 2 on Board took place three additional chip ASMedia ASM3142.

With USB ports connected and one more funny solution. ASUS ROG Strix X299-E Gaming II has in its Arsenal as many as eight USB 2.0 ports, and four port not working directly from the chipset, and via MTT hub GL852G. Someone might need such a number of USB 2.0 ports is unclear. Last version of the Board Strix X299-E Gaming ports of this type was less than half.

But the main difference between ASUS ROG Strix X299-E II Gaming from the last version, with almost the same name, but without a Roman numeral two at the end, is how now made your meal plan. Last charge was eight-channel Converter processor power, now, allegedly used a 12-channel scheme, at least according to the description on the manufacturer’s website.

But to be honest, the power to consider the Board – on the basis of the six-phase PWM controller ASP1905. But each phase is assembled from pairs zaparoleny power stage Infineon IR3555M and inductances that allows you to shoot with a six-phase scheme, the currents, reaching 720 But without taking into account food processor SoC, which laid its own seventh 60-amp channel. In other words, to work with a voracious processors ASUS ROG Strix X299-E Gaming II prepared well, but the overall design of the Converter power still raises questions because of the small number of “honest” phases.

Emphasizing the fact that ROG Strix X299-E Gaming II can cope with arbitrarily powerful processors, ASUS installed on it from two 8-pin power connector, and CPU VRM placed on a pretty massive cooling system with a heat pipe and a 40 mm fan.

But no matter how impressive these radiators may look in the photo, actually nothing special in that no cooling besides that it is generally adequate for this application. That is, even when overclocking Core i9-10980XE to 4.5 GHz and under high load in Prime95 the power supply circuit does not overheat. Although its maximum temperature and reached 100 degrees, when the fan accelerates to maximum speed, overheating or throttle we have not seen.

The main working part of the system cooling the VRM is a small aluminum heatsink plate on the center of the aluminum block adjacent to the power elements through the pads. The heat pipe here is only for the more uniform distribution of heat, because the second aluminum block placed on her, hardly performs any function at all. On the Board under it are USB controllers that do not have a high dissipation, and its upper portion fully closes the plastic cover of the rear, preventing any convection. In General, why this second bar is a mystery.

It turns out that the efficiency of the cooling system is greatly facilitated by a fan, which is why it is covered from top with decorative mesh. And that’s why we suggest from this mesh right to get rid – so and the noise will be less, and temperature will be lower. Especially if to take into account the fact that with increasing temperature the VRM fan is able to accelerate up to 6000 rpm.

In practice, to assemble a system on your ASUS ROG Strix X299-E Gaming II conveniently enough, the cards are well thought out, which is hardly surprising as it is an updated version of another popular motherboard. It without problems will be any massive cooler, including the air, not a MSI Creator X299, where the developers put too little space between the first PCIe slot and CPU socket.

But it is worth considering that for those who love experiments in the open stand, ROG Strix X299-E II Gaming may not offer an exhaustive set of controls. The Board has only the power button, a set of diagnostic LEDs and POST controller. Even reset the BIOS settings is available on the old – fashioned way with jumper.

But considering the fee is not deprived of the opportunity to update the firmware (no need to start the system), allows you to connect an external temperature sensor and is able to manage a sufficient number of fans. In addition to the connectors for the two CPU fans and the fan VRM, the PCB has two connectors for the pumps (without the possibility of adjustment speed) and three connectors for case fans (with the possibility of fine adjustment of rotation speeds depending on the temperature).

Much attention is paid to the illumination. Although ROG Strix X299-E Gaming II and intended for the construction of the mighty HEDT platforms, it still relates to gaming series motherboard. However, the Board itself no special RGB-extravaganza no. Only a small illuminated acrylic panel cover the rear panel.

But the possibilities might be notklaatu whole bunch of led strips. In store for them, two sockets for a conventional three-meter RGB 5050 strips standard and two slots for addressable WS2812B strips standard with the maximum number of LEDs for 120 pieces. All lights on the Board works under the guidance of the corporate AURA and 52UA0 microcontroller 32-bit ARM processor STM32F 072CBU6. The user also seems to set all this sparkling ensemble with a special app ASUS Sync Aura.

In addition, on the Board between the CPU socket and the first PCIe x16 slot there is a small monochrome OLED display LiveDash, which can also be used in information and decoration purposes.

To control the contents of this display from ASUS provides a special utility, but by default it displays POST codes during system startup and the CPU temperature – when it is working.

In the rest of the equipment ASUS ROG Strix X299-E II Gaming is quite typical for the modern boards are high enough level. For integrated sound codec Realtek ALC1220 (according to tradition renamed S1220A), which this time works without the support of additional high quality DAC, but accompanied by two operational amplifiers which are capable to pump high-impedance headphones.

Network connections can be implemented in three ways: through wireless controller Intel wifi 6 AX200 2×2 802.11 ax or by wire through a 2.5 Gigabit controller Realtek RTL8125 or Hibiny Intel WGI219V.

Given all the above, the contents of the back of the PCB you might not be surprised.

There are four USB 2.0 ports; two USB 3.2 Gen 1; four USB ports 3.2 Gen 2, one of which has an execution of Type-C; two network RJ-45 connector; connectors for wifi antennas; five analog audio jacks; SPDIF output and the BIOS FlashBack button for offline firmware updates.


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