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ATX motherboard in black with silver heatsinks and gold PCIe contacts

ASRock

ASRock X399 Taichi sTR4 AMD motherboard

SKU CH-GMW2-8377P

ATX board for sTR4 Threadripper CPUs with eight DDR4 slots, four PCIe 3.0 x16 slots, three Ultra M.2 sockets, eight SATA3 ports, dual Intel gigabit LAN, onboard Wi-Fi and 7.1 audio

  • CPU socketsTR4
  • ChipsetAMD X399
  • Form factorATX
  • Memory slot count8 × 288pin (DDR4)
  • Supported memoryDDR4 3600+(OC)/ 3200(OC)/ 2933(OC)/ 2667/ 2400/ 2133
  • Max supported RAM128 GB* *Due to the operating system limitation, the actual
  • Supports up to 128 GB DDR4 quad-channel memory for heavy multitasking
  • Four PCI Express 3.0 x16 slots enable 4-way SLI and CrossFireX
  • Three Ultra M.2 sockets deliver PCIe Gen3 x4 and SATA3 6.0 Gb/s storage speed
  • Dual Intel Gigabit LAN plus 802.11 ac Wi-Fi give wired and wireless network redundancy
  • Realtek ALC1220 7.1-channel audio with DTS Connect provides high-definition sound

Socket and chipset

This motherboard uses the sTR4 socket with the AMD X399 chipset. It is built for first- and second-generation Ryzen Threadripper processors. The board delivers an 11-phase digital power design with Dr. MOS components.

Memory capacity and headroom

Eight 288-pin slots support quad-channel DDR4 up to 128 GB. Speeds range from 2133 to 3600+(OC) with intermediate steps at 2400, 2667, 2933 and 3200. A 32-bit operating system limits usable memory to under 4 GB.

Expansion and storage interfaces

Four PCI Express 3.0 x16 slots and one PCI Express 2.0 x1 slot provide multi-GPU flexibility. Three Ultra M.2 sockets accept 2230, 2242, 2260 and 2280 modules with PCIe Gen3 x4 or SATA3 6.0 Gb/s. Eight SATA3 ports and one U.2 connector add further storage options.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $321.99
Pricier than about 58% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASRock
Model nameX399 Taichi
Processor
CPU socketsTR4
ChipsetAMD X399
Memory
Memory slot count8 × 288pin (DDR4)
Supported memoryDDR4 3600+(OC)/ 3200(OC)/ 2933(OC)/ 2667/ 2400/ 2133
Memory channelsQuad Channel
Storage
SATA ports8 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug
M.2 slots2 x Ultra M.2 Sockets (M2_1 and M2_2), support M Key type 2242/2260/2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x4 (32Gb/s)*
1 x Ultra M.2 Socket (M2_3), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x4 (32Gb/s)*
1 x U.2 Connector**
* Supports NVMe SSD as boot disks
* Supports ASRock U.2 Kit
** If U.2 Connector is plugged, M2_1 will be disabled
SATA and RAID support0/1/10
Graphics
Onboard video chipNone
Audio & video
Audio chipRealtek ALC1220
Sound channels7.1 Channels
Connectivity
Ethernet controllerIntel i211AT
Second LAN controllerIntel I211-AT
Maximum network speed2 × 1 Gbit/s
Wi-Fi standardIntel 802.11 ac Wi-Fi Module (Free Bundle)
Supports IEEE 802.11 a/b/g/n/ac
Supports Dual-Band (2.4/5 GHz)
Supports high speed wireless connections up to 433 Mbit/s
Bluetooth supportSupports Bluetooth 4.2 / 3.0 + High speed class II
Ports & slots
PCIe 3.0 x16 slots4 x PCI Express 3.0 x16 Slots (PCIE1/PCIE2/PCIE4/PCIE5: single at x16 (PCIE1); dual at x16 (PCIE1) / x16 (PCIE4); triple at x16 (PCIE1) / x8 (PCIE2) / x16 (PCIE4); quad at x16 (PCIE1) / x8 (PCIE2) / x16 (PCIE4) / x8 (PCIE5))*
* Supports NVMe SSD as boot disks
PCIe x1 slots1 x PCI Express 2.0 x1 Slot
Additional slots1 x Vertical M.2 Socket (Key E) with the bundled Wi-Fi 802.11 ac module (on the rear I/O)
15µ Gold Contact in VGA PCIe Slot (PCIE1 and PCIE4)
Onboard USB headers2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
2 x USB 3.1 Gen1 Headers (Support 4 USB 3.1 Gen1 ports) (Supports ESD Protection)
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Compatibility
Windows 11 supportSupported
More details
LightingRGB

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