ASRock X399M Taichi Motherboard Features
The ASRock X399M Taichi is the latest entrant the the ASRock X399 family. If you have seen our previous X399 Taichi review, you will notice that in terms of design, the motherboard features a similar taste with aggressive metallic finish on the heatsinks and a matte black covers. But the biggest stand out feature of this motherboard is that it comes in the M-ATX form factor and not the ATX form factor that all other X399 motherboards adopt. This would make the motherboard an ideal choice for PC enthusiasts who want to do a smaller form factor build compared to the ATX X399 offerings which demand a ton of space.
The X399M Taichi features the TR4 socket and a 11 phase power delivery system with Dr.MOS and IR Digital PWM. Power is provided by a 8 and 4 pin connector configuration and there are a total of four DDR4 DIMM slots that can support up to 64 GB capacity in total. The motherboard is rated to support memory speeds of up to 3600 MHz (OC+).

The motherboard packs three PCIe 3.0 x16 slots and triple M.2 slots. Storage includes 8 SATA III ports, a single U.2 port, dual USB 3.0 / USB 2.0 ports.
The rear panel IO includes 8 USB 3.1 (Gen1), 2 USB 3.1 ports (Gen2), dual RJ45 LAN ports, a 7.1 channel audio jack, BIOS flashback switch, a single optical S/PDIF port and a Wi-Fi wireless adapter. The board at the moment costs $339 US and is available in retail stores around the globe.
ASRock X399M Taichi Professional Gaming Motherboard Features:
- Supports AMD TR4 Socket Ryzen Threadripper Series CPUs
- IR Digital PWM, 11 Power Phase & Dr. MOS
- Supports DDR4 3600+(OC)
- 3 PCIe 3.0 x16
- NVIDIA Quad SLI, AMD Quad CrossFireX
- 7.1 CH HD Audio (Realtek ALC1220 Audio Codec), Supports DTS Connect
- 8 SATA3, 2 Ultra M.2 (PCIe Gen3 x4), 1 Ultra M.2 (PCIe Gen3 x4 & SATA3)
- 2 USB 3.1 Gen2 (1 Type-A + 1 Type-C), 12 USB 3.1 Gen1 (4 Front, 8 Rear)
- 1 U.2 Connector
- Intel 802.11ac WiFi, Dual Intel Gigabit LAN
- ASRock RGB LED
- BIOS Flashback
ASRock X399 Professional Gaming Motherboard Product Gallery:
AMD X399 Motherboard Roundup:
| Motherboard Name | ASUS ROG Zenith Extreme | ASUS ROG STRIX X399-E | ASUS PRIME X399-A | ASRock FATAL1TY X399 Professional | ASRock X399 Taichi | ASRock X399M Taichi | AORUS X399 Gaming 7 |
|---|---|---|---|---|---|---|---|
| CPU Support | AMD Ryzen Threadripper (Up To 16 Cores) | AMD Ryzen Threadripper (Up To 16 Cores) | AMD Ryzen Threadripper (Up To 16 Cores) | AMD Ryzen Threadripper (Up To 16 Cores) | AMD Ryzen Threadripper (Up To 16 Cores) | AMD Ryzen Threadripper (Up To 16 Cores) | AMD Ryzen Threadripper (Up To 16 Cores) |
| Form Factor | E-ATX | E-ATX | E-ATX | ATX | ATX | MATX | ATX |
| Socket Type | Socket TR4 (4094 Pin) | Socket TR4 (4094 Pin) | Socket TR4 (4094 Pin) | Socket TR4 (4094 Pin) | Socket TR4 (4094 Pin) | Socket TR4 (4094 Pin) | Socket TR4 (4094 Pin) |
| Power Phases | 8+2 | 8+2 | 8+2 | 11 | 11 | 11 | 8+2 |
| CPU Power Connectors | 8+8 Pin | 8+4 Pin | 8+4 Pin | 8+4 Pin | 8+4 Pin | 8+4 Pin | 8+4 Pin |
| DDR4 DIMM Slots | Eight (Quad Channel) | Eight (Quad Channel) | Eight (Quad Channel) | Eight (Quad Channel) | Eight (Quad Channel) | Four (Quad Channel) | Eight (Quad Channel) |
| Memory Clocks | Up To 3600 MHz OC | Up To 3200 MHz OC | Up To 3200 MHz OC | Up To 3600 MHz OC | Up To 3600 MHz OC | Up To 3600 MHz OC | Up To 3600 MHz OC |
| SATA III 6 GB/s Ports | 6 | 6 | 6 | 8 | 8 | 8 | 8 |
| U.2 Ports | 1 | 1 | 1 | 2 | 2 | 1 | N/A |
| PCI-e 3.0 x16 Expansion Slots | 4 | 4 | 4 | 4 | 4 | 3 | 5 |
| PCI-e 3.0 x1 Expansion Slots | 1 x1 1 x4 | 1 x1 1 x4 | 1 x1 1 x4 | 1 x1 | 1 x1 | N/A | N/A |
| M.2 PCI-e Expansion Slots | 3 | 2 | 2 | 3 | 3 | 3 | 3 |
| USB 3.1 Ports (Internal/External) | 15 | 15 | 15 | 2 | 2 | 14 | 13 |
| USB 3.0 Ports (Internal / External) | N/A | N/A | N/A | 12 | 12 | N/A | N/A |
| USB 2.0 Ports (Internal / External) | 2 | 4 | 4 | 4 | 4 | 2 | 4 |
| Networking | 1 x Aquantia 10/5/2.5Gbe card 1 x Intel Gbe 802.11ad WiGig 802.11ac WiFi 2x2 MU-MIMO | 1 x Intel Gbe 802.11ac WiFi 2x2 MU-MIMO Bluetooth 4.2 | 1 x Intel Gbe | 1 x 10 Gigabit LAN 100/1000/2500/5000/10000 Mb/s (AQUANTIA AQC107) 2 x GigaLAN Intel I211AT | 2 x GigaLAN Intel I211AT | 2 x GigaLAN Intel I211AT | Rivet Networks Killer E2500 LAN chip |
| Audio | SupremeFX Realtek S1220 Codec ESS SABRE9018Q2C DAC | SupremeFX S1220A | SupremeFX S1220A | Realtek ALC1220 Audio Codec | Realtek ALC1220 Audio Codec | Realtek ALC1220 Audio Codec | Realtek ALC1220 codec Support for Sound BlasterX 720 |
| Price | $550 US | $400 US | $350 US | $440 | $340 | $340 | $390 |
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