Conclusion

ASRock's Fatal1ty X399 Professional Gaming is a motherboard clearly marketed towards advanced, demanding gamers. It is loaded with features, covering the needs of even the most demanding gamer and beyond. The motherboard is principally designed to be the basis of multi-GPU systems, with the design focused on supporting the graphics cards both mechanically and electrically.

Despite the motherboard's "gaming" designation, the ASRock X399 Professional Gaming is not extravagant when it comes to aesthetics. On the contrary, the aesthetic design of the motherboard is very elegant. It is based on simple geometric shapes and the black color of the PCB/plastics creates a subtle but pleasant visual antithesis. Onboard RGB lighting is present but limited around the chipset's heatsink, with headers supporting two additional 12V RGB strips for users who want to add more. The use of metal supports not only enhances the mechanical strength of the PCIe slots but also boosts the aesthetics of the motherboard, making the ASRock X399 Professional Gaming appear more robust.

The layout of the ASRock X399 Professional Gaming is good but there are some design quirks. Separating the CPU power connectors to increase the available trace was a good idea from an engineering point of view but it will also cause compatibility issues with PSUs that have both connectors on a single cable. Furthermore, the use of a PCIe connector to supply additional power to the motherboard when multiple GPUs are installed may also cause compatibility issues because PSUs have a fixed number of PCIe connectors. Other than that, the layout of the ASRock X399 Professional Gaming is clean, with nearly all of the internal headers placed across the bottom edge of the motherboard. The only exception is one of the front USB 3.1 Gen 1 headers that is placed to the right of the motherboard, right beneath the ATX 24-pin power connector. There is no internal USB 3.1 Gen 1/2 Type-C header on the ASRock X399 Professional Gaming because the designer ran out of PCIe lanes - a side effect of having the Aquantia 10Gbps NIC installed.

The odd thing about the ASRock X399 Professional Gaming is the sheer number of features that ASRock installed on the motherboard, which are unnatural for a product so strongly focused on gaming. For example, the installation of dual NICs on a gaming motherboard is generally considering unnecessary, as features like LAN Teaming are not useful for gamers. The ASRock X399 Professional Gaming not only has two Intel Gigabit NICs installed but also a third Aquantia 10 Gbps NIC and a Wi-Fi module. The 10 Gbps NIC is one factor behind the motherboard's high price, yet it is a feature not often used specifically by gamers and overclockers. Gamers would most likely welcome the replacement of all three NICs with just one with proven gaming performance. The use of just one Intel I211-AT NIC for would be sufficient for gamers and should greatly reduce the motherboard's retail price or, at least, would have allowed the designer to install an internal Type-C header. This board very much caters to the Professional over the Gaming in that regard.

In summary, the ASRock X399 Professional Gaming is a very good basis for a multi-GPU gaming system based on AMD's Ryzen Threadripper processor. The quality of the motherboard is excellent and the power circuitry is very strong, while ASRock loaded it with every feature they could think of. There are a few layout quirks that may or may not be important depending on the PSU and how its connectors are organized. The only disadvantage that this motherboard has is the high retail price, which is justified for a motherboard with so many features, yet some gamers may not justify the need of so many features for a gaming-focused system and opt for a lower cost product.

AnandTech's AMD Ryzen Threadripper and X399 Motherboard Coverage

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  • nagi603 - Thursday, July 5, 2018 - link

    Frankly, I'm thrilled with the board. It may bear "gaming" in the name, but that's a misnomer: it's a powerful workstation board with wide-ranging gaming options. And I'm quite thankful for the built-in 10Gbit ethernet when there is only a single PCIe slot for extra cards (besides the 4 16x GPU intended ones).
  • nagi603 - Thursday, July 5, 2018 - link

    Also, the fan options on HW montior tab are already like that on my current Z79 board, so I'm not sure if AsRock changed it after that and returned with the X399, or the reviewer is unfamiliar with AsRock motherboards in general.
  • Jorgp2 - Thursday, July 5, 2018 - link

    Umm.

    A PCI-E x1 slot only gives you 8gbps.

    Most PCI-E NICs are at least 8x.
  • nagi603 - Friday, July 6, 2018 - link

    Yeah, I have a few 2-port intel 540's that are 8x, but Asus has a cheap Aquantia-based NIC (XG-C100C) that runs on a 4x port.
  • nagi603 - Friday, July 6, 2018 - link

    (Also, yes, I did not think the comment through... yes, you definitely need more than a 1x for a 10G, so you'd have to waste a 16x port for 10G if the board didn't have it integrated)
  • AdrianB1 - Saturday, July 7, 2018 - link

    I can live with a 10 Gbps NIC using a 1x PCIe port, jumping from 1 Gbps to ~7.5 Gbps effective transfer rate is a huge improvement for a home user. Also PCIe 4 is coming, it will be more than enough for a 10 Gbps NIC.
  • monglerbongler - Tuesday, July 10, 2018 - link

    Can you live with either >>$1,000 for a small port count managed switch, or else ~$300-$600 for a literal 4 or 6 port unmanaged switch?

    No soho routers with 10g right now. Maybe when broadcom releases some silicon with it built in will we see the usual suspect start to release practical soho routers.

    My house is wired. I'm sure most enthusiasts wire their homes. But I would simultaneously argue that most home wiring jobs, even for advanced gamers and semi-professional usage still leverage retail soho routers, either for the NAT/router functionality (eg to get internet access piped to all of the devices), and/or for the wifi. You might use a 2nd router as an access point or some multiport switch to expand the wired functionality.

    But are you ready to spend the anywhere from the same to 3x the price of this high priced motherboard to even use the 10G?

    If the goal is future proofing, my response is:

    wait until the future is here and then just buy a new system with 10g at a lower price/better incorporation.
  • eek2121 - Thursday, July 5, 2018 - link

    While I would like 10 GB Ethernet, the MSI X399 Carbon features a 10+3 VRM design, which can easily push 4.1 GHz or 4.2 GHz depending on the chip. 4.2 GHz passed Prime95 at 1.45V on my chip and 4.1 GHz passed at 1.325. I have even been able to run benchmarks at 4.3 or 4.4 GHz, though Prime95 fails. Also 4.3 and 4.4 GHz required some obscene voltage, which unfortunately degraded my chip slightly.

    I can't wait to RMA my board ( broken/crushed pins, but they only charge $45 to replace.) Currently I am on an ASUS X399-E and haven't been able to get it past 4.0 GHz. Likely due to the 8+3 VRMs and 8+4 EPS connectors (the MSI was 10+3 and 8+8).
  • Arbie - Thursday, July 5, 2018 - link

    Why, except for a transient bit of fun, would anyone overclock Ryzen? It already clocks itself exceptionally well. If you override those features you're just throwing power away, with no perceptible gain in daily use.
  • halcyon - Friday, July 6, 2018 - link

    You said it: fun (and curiosity/learning).

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