The technical data …
| Manufacturer | ASRock |
| Name | X399M Taichi |
| Type / Chipset | AMD TR4 CPU / AMD X399 Chipset |
| Dimensions | + 5 mm (40 mm radius) from socket to next capacitor or component – see Fit for Fan. The distance to the next larger cooler is approx. 5 mm (60 mm radius). The total size of the Micro ATX board is 244 x 244 mm. |
| Slots | +++++ PCIe 3.0: 3×16, 4x DDR4-800 – DDR4-2667, DDR4-3600+ OC, max 64GB RAM |
| Connections | +++++ 8x SATA3, 3x Ultra M.2, 1x U.2, 1x PS/2, 2x 10/100/1000 Mbps base-T Ethernet (Intel I211AT), 1x WLAN 2.4/5 GHz IEEE 802.11a/b/g/n/ac up to 433 Mbps, 1x Bluetooth 4.2 / 3.0 + High speed class II, 1x USB 3.1 Type-C, 1x USB 3.1 Type-A, 12x USB 3.0 (4x of them internal, slot bracket for additional ports is not included), 4x USB 2.0 (all of them internal, slot bracket for additional ports is not included), 8-channel Realtek ALC1220 onboard 7.1 sound with 5x 3.5 mm connector (1x optical S/PDIF out, 1x internal Aux, external Line in, external Mic, external Front out, external Rear out, external Center/Subwoofer) and 5x fan (5x 4Pin). |
| Vcore | +++++ In BIOS Vcore from 0.9000 Volt to 2.5000 Volt |
| Multiplier | ++++ In BIOS from 16x to 63x (maximum multi depending on CPU) |
| BCLK | – Cannot be changed in BIOS. |
| VIO/VDD | ++++ DRAM Voltage (DDR4 Voltage) 1.100 to 2.235V, VTT_DDR 0.500 to 1.150 Volt, VTT_DDR_CD 0.500 to 1.150 Volt, VDDCR_SOC 0.8000 to 1.200 Volt, VPPM Voltage 2.000 to 3.000V, 2.50V PROM Voltage 2.400 to 3.300V, +1.8V Voltage 1.700 to 3.000V, +1.8V SB Voltage 1.700 to 3.000V. |
| Performance* | ++++ Benchmark results comparison with different graphics cards and benchmark tools.
3DMark benchmark results with AMD Ryzen Threadripper 1900X processor. 3DMark benchmark results with AMD Ryzen Threadripper 1900X processor. |
| Manual and Labelling | +++ For a mATX motherboard well placed, complete motherboard description and good manual with a lot of tips about topics like CPU installation, memory installation, etc.. The manual comes in different languages. In addition a separated Software Setup Guide with UEFI settings is contained. |
ASRock X399M Taichi Layout, Design and Features …