The technical data …
| Manufacturer | ASRock |
| Name | X399 Taichi |
| Type / Chipset | AMD TR4 CPU / AMD X399 chipset |
| Dimensions | + 6 mm (63 mm radius) around the socket to the next capacitor or other mainboard parts – for further information see Fit for Fan. The space to the next bigger heatsink is approx. 6 mm (63 mm radius). The overall size of this ATX motherboard is 305 x 244 mm. |
| Slots | +++++ PCIe 3.0: 4×16, PCIe 2.0: 1×1, 8x DDR4-800 – DDR4-2667, DDR4-3600+ OC, max 128GB RAM |
| Connectors | +++++ 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 to 433 Mbps, 1x Bluetooth 4.0 / 3.0 + High speed class II, 1x USB 3.1 Typ-C, 1x USB 3.1 Typ-A, 12x USB 3.0 Typ-A (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 ALC 1220 onboard 7.1 sound with 5x 3.5 mm connectors (1x optical S/PDIF, 1x int. Aux, ext. Line in, ext. Mic, ext. Front out, ext. Rear out, ext. Center/Subwoofer) and 4x fan (4x 4Pin). |
| VCore | +++++ In the VCore BIOS of 0.900 volts up to 2.500 volts |
| Multiplier | ++++ In the BIOS from 16x to 63x (maximum multi depending on the CPU) |
| BCLK | ++++ In the BIOS by 100 – 200 MHz |
| VIO/VDD | ++++ DRAM Voltage (DDR4 Voltage) 1.100 to 2.235V, VTT_DDR 0.500 to 1.200 Volt, VDDCR_SOC 0.9000 to 2.5000 Volt or Offset, VPPM Voltage 2.000 to 3.200V, 2.50V PROM Voltage 2.000 to 3.300V, +1.8V Voltage 1.700 to 3.000V, VDDP Voltage 0.800 to 1.560V, PCH +1.05V Voltage 0.950 to 1.250V, CPU Load Line Calibration 1 to 5. |
| Performance* | ++++ Benchmark values comparison with different graphics cards and benchmark tools.
SiSoftware Sandra 2013 benchmark values with AMD Ryzen Threadripper 1950X CPU. 3DMark benchmark values with AMD Ryzen Threadripper 1950X processor PCMark 10 benchmark values with AMD Ryzen Threadripper 1950X processor |
| Manual and Labeling | +++ 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 X399 Taichi Layout, Design and Features …