Reviewed: ASRock X399 TAICHI Motherboard

The ASRock X399 Taichi is a good example of value for money in a premium platform. The Threadripper 1950X will set you back over $1300 and then a motherboard to drive it can cost between $549 and $879 on top of the CPU price. The ASRock X399 Taichi is available at the $549 price mark, making it the least expensive motherboard on the market to drive your new AMD Threadripper system.

After spending a month using the X399 Taichi, I’m unable to fault it with the list of features, stability and build quality ticking all the ‘essential’ boxes plus a few value-adds. 

Let’s take a moment to look at the Taichi’s target market. Threadripper CPUs are relatively expensive when compared to other AMD offerings like Ryzen 5 or Ryzen 7 that both handle multi-tasking and gaming well, with the latter being very capable when it comes to content creation, streaming and transcoding. People who want/need more than that are likely to be the type of power users that heavily multitask, need to produce media/content while doing other things or involved in development/design functions. Although this is not a ‘Gaming’ motherboard, there are some elements to it that would suit a gamer or someone who likes to game while their system does another task in the background – as per Threadripper’s mission statement.

The X399 Taichi is capable of 4-way SLI or Crossfire, has 3 PCIE Gen3 x4 M.2 slots, 8 DDR4 memory slots, ALC 1220 audio with headphone amplification, dual gigabit Intel network adaptors, AC WIFI and Bluetooth. This board has all the essential features to suit the target market described above with some aesthetic and performance tweaking options for enthusiasts or gamers to also enjoy.

Quad channel memory is supported, as are ECC modules with 8 DDR4 3600+ (OC) slots on the board. We used our 32 GB (4x8GB) HyperX Predator 3333 DDR4 kit with the 3333MHz XMP profile enabled and didn’t have any further tweaking to do – it just worked as it should.

One of Threadripper’s key selling points is the 64 PCIE lanes for improved bandwidth over other CPU/platforms. This supports the 4 way GPU potential and triple M.2 PCIE Gen3 x4 SSD capabilities that we see in the motherboard specifications. ASRock has managed to deliver bang for buck by not skimping on connectivity in their less expensive Taichi X399 offering.

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Aesthetics

The Taichi line of motherboards from ASRock all have the same aesthetic theme, regardless of the chipset and the big gear/cog wheel on the board is their series signature. In the case of the X399, ASRock has designed the chipset heatsink around it and the ASRock Taichi ‘gear’ sits out from the board and has RGB lighting underneath it. My first thought was actually Bethesda or a Fallout vault (from the games Fallout 3 and Fallout 4 by Bethesda Softworks) as there is a distinct likeness in the design.

The overall aesthetic is quite neutral with subtle lighting, perhaps best described as ‘quietly confident’. You could use this board in any build and accessorise or design around it with any coloured components and not have a clash. The layout is highly practical with cable headers, M.2 slots and shrouds in well thought out locations.

The RGB lighting is one of the most subtle I’ve seen on a higher end board of late but there are RGB headers to implement additional lighting strips or fans in your build for ambient lighting. If you are mad about PC bling, this might leave you wanting more but when we looked the board over the simple but effective RGB LED behind the main heat sink was very effective

Layout

There are three M.2 slots – all support 42-80mm M.2 drives – located away from the graphics card in a single card configuration.

The inclusion of a debug code LED, power and reset buttons make troubleshooting on this board easier if you need it or if you run into difficulty with an overclock.

There are two CPU power connectors, a 4 pin and an 8 pin. These connectors are separated with the 4 pin in the upper left corner of the board where we would normally expect it and on the upper right edge. This is explained by ASRock to reduce temperatures and increase stability by routing the trace to the VRMs. 

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The 8 SATA 3 ports, U.2 connector and a PCIE 6-pin connector are all easy to access along the right side of the board oriented at a 90-degree angle from the motherboard for easy/neat cable management.

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USB and Audio headers are also in logical, easy to reach places. The plastic shroud protects the audio, rear IO and WIFI module from accidental knocks during installation and adds an aesthetic improvement to the Taichi as well.

Socket Placement

The AMD TR4 socket for Threadripper is big and the mounting system is also quite different from the norm. In our 1950X review, we linked a video on how it works and what’s changed. A larger CPU means less physical space on a standard ATX sized board is available for other components as more room is taken up with and around the socket area to ensure CPU coolers can be installed.

The heatsink at the top of the board, above the socket, didn’t get in the way when installing any of the 3 varieties of Noctua TR4 coolers we tested and there were no issues accessing the fan headers between the socket and the first PCIE slot. Air coolers may require some fan height adjustment depending on your RAM selection but this is no different to any other Threadripper motherboard and to be expected when working with 8 DDR4 slots.

M.2 Connectivity

There are 3 M.2 slots on the Taichi and during testing, we found ourselves in a position where we could populate them all at the same time with PCIE Gen3x4 NVMe SSDs.

To push the PCIE Lanes and test the Taichi out from an IO perspective, we ran the following tests concurrently:

• Unigine Heaven Benchmark
• Chrystal Disk Mark full test – UV400 connected Via SATA 3 (SATA port 5)
• Chrystal Disk Mark full test – ADATA SX7000 M.2 PCIE Gen3x4 SSD (M.2_3 slot)
• Chrystal Disk Mark full test – ADATA SX8000 M.2 PCIE Gen3x4 SSD (M.2_2 slot)
• Chrystal Disk Mark full test – ADATA SX9000 M.2 PCIE Gen3x4 SSD (M.2_1 slot)

The end results were within acceptable margin for error when compared to each test being run in isolation – this is great news for people who are constantly multi-tasking. 

Network Connectivity

The more expensive ASRock Fatal1ty X399 Professional Gaming motherboard has a 10Gb LAN connector which is a worthwhile upgrade if you have a 10Gb backbone on your network. The Taichi has dual Gigabit Intel I211AT LAN that can be teamed if your OS supports it.

The XFast ASRock LAN application is web-based but highly configurable – there are screenshots later in this article to illustrate how much control you have over each adapter, application and traffic type. If you buy this motherboard, it is worth taking 5 minutes to familiarise yourself with the utility.

There is also an Intel 802.11AC and Bluetooth PCIE adapter included on the Taichi providing effectively a built-in dual-band (2.4/5GHz) WIFI connectivity for places where it isn’t practical or possible to use LAN. We found the performance and penetration of the WIFI to be on par with other motherboards and perfectly acceptable for general use but would always recommend a hardwired connection where possible. Bluetooth is handy for pairing a phone, mouse or headset and also a ‘nice to have.’

Audio

ASRock has branded their Realtek ALC1220 7.1 channel audio implementation as Purity 4. ALC1220 is a popular codec and we see that ASRock has also used Nichicon Fine Gold series caps and a TI NE5532 amplifier for the Front Panel audio connector. We did test this out with a front panel header unceremoniously ripped out of a surplus case and found the sound to be pretty good and on par with the rear port – to our ears anyway. There is also the usual PCB isolation and gold jacks that we are accustomed to seeing on premium or gaming motherboards. Purity 4 is rated at 120dB SNR and has individual PCB layers for the right and left channels.

We tested the Purity 4 Audio solution with movies, music (both compressed MP3 and FLAC,) and a variety of games. We used both the Logitech Z533 desktop speakers and 2 different sets of headphones, finding the result to be clear and immersive. Games such as Battlefield 1 and Elder Scrolls Online sounded great and we didn’t have any complaints. When playing COD: Black Ops 3 I noted the clarity of footsteps and found that despite my ‘casual’ commitment to this game, I was able to maintain a positive Kill/Death Ratio so it was pretty clear that the Threadripper test system wasn’t holding me back.

Note that the only configuration software provided is the Realtek HD Audio Manager. This wasn’t an issue for us but if you are moving from a system that has Creative Audio software or similar and you actually use it, this is something to keep in mind.

Build Quality