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Large rectangular server motherboard with black PCB and silver heatsinks

ASRock

ASRock TRX50 WS server motherboard sTR5 DDR5

SKU CH-8X4V-V8642 MPN TRX50 WS

Extended ATX server board for Threadripper CPUs with quad-channel DDR5 ECC, three PCIe 5.0 x16 slots, 10 GbE LAN and Wi-Fi 6E

  • ProcessorSupports AMD Ryzen Threadripper PRO 9000/7000 WX-Series and
  • Form factorExtended ATX
  • CPU socketSocket sTR5
  • ChipsetAMD TRX50
  • RAM slots4 x DDR5 288-pin
  • Supported memoryDDR5 7600 (OC)
  • Supports AMD Ryzen Threadripper PRO 9000/7000 WX-Series and Threadripper 9000/7000 Series CPUs
  • 18+3+3 power phase design with 110A SPS for stable VCore delivery
  • Quad-channel DDR5 ECC Registered memory up to 1TB at 7600 (OC)
  • Three PCIe 5.0 x16 slots plus two PCIe 4.0 x16 slots for high-speed expansion
  • Marvell 10 GbE and Realtek 2.5 GbE LAN with Wi-Fi 6E connectivity

Server platform for Threadripper CPUs

The ASRock TRX50 WS is an Extended ATX motherboard built around the AMD TRX50 chipset for Socket sTR5 processors. It accepts AMD Ryzen Threadripper PRO 9000/7000 WX-Series and AMD Ryzen Threadripper 9000/7000 Series CPUs with an 18+3+3 power phase design rated at 110A per stage for the VCore. Quad-channel DDR5 memory runs up to 7600 MT/s (OC) across four 288-pin slots with ECC and registered DIMM support to a maximum of 1TB.

Workstation builds needing dense I/O

This board suits professionals who need three PCIe 5.0 x16 slots plus two PCIe 4.0 x16 slots for accelerators, capture cards or high-speed networking. It also provides 10 Gigabit and 2.5 Gigabit Ethernet, Wi-Fi 6E, 7.1-channel audio with Nahimic processing and a rear USB 3.2 Gen2x2 Type-C port at 20 Gb/s. Builders who require more than four DIMM slots, integrated baseboard management or a smaller form factor should look elsewhere.

Quad-channel DDR5 with ECC to 1TB

The decisive specification is the four-slot DDR5 layout supporting quad-channel ECC registered memory up to 1TB at 7600 MT/s (OC). This capacity ceiling and error-correcting capability determine whether the platform fits memory-intensive workloads such as simulation, rendering or virtualization clusters.

How it compares

Measured against everything we stock in Server & Workstation Boards, at today’s prices. Recalculated every night.

Price $576.99
Pricier than about 86% of the 776 comparable items (median $254.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASRock
Model nameTRX50 WS
Processor
ProcessorSupports AMD Ryzen Threadripper PRO 9000/7000 WX-Series and AMD Ryzen Threadripper 9000/7000 Series Processors
CPU socketSocket sTR5
ChipsetAMD TRX50
Memory
RAM slots4 x DDR5 288-pin
Supported memoryDDR5 7600 (OC)
Max supported RAM1 TB
Memory channelsQuad Channel
ECC supportYes
Storage
SATA ports4 x SATA 6.0Gb/s
M.2 slots1 x Blazing M.2 Socket (M2_1, Key M), supports type 2260/2280 PCIe Gen5 × 4 (128 Gb/s) mode*
- 1 x MCIO PCIe Gen5 × 4 Connector
- 2 x SlimSAS SFF-8654 Connectors (PCIe Gen4 × 4 or 4 x SATA3 6.0 Gb/s) Chipset:
- 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2260/2280 PCIe Gen4 × 4 (64 Gb/s) mode*
Connectivity
Maximum network speed1 × 10 Gigabit LAN 100/1000/2500/5000/10000 Mb/s (Marvell AQC113)
- Support Wake-On-LAN
- Support PXE
1 × 2.5 Gigabit LAN 10/100/1000/2500 Mb/s (Dragon RTL8125BG)
- Supports Dragon 2.5G LAN Software
- Smart Auto Adjust Bandwidth Control
- Visual User Friendly UI
- Visual Network Usage Statistics
- Optimized Default Setting for Game, Browser, and Streaming Modes
- User Customized Priority Control
Ports & slots
PCIe 5.0 x16 slotsCPU:
- 3 x PCIe 5.0 x16 Slots (PCIE1/PCIE3 at x16; PCIE4 at x8)*
PCIe 4.0 x16 slots- 1 x PCIe 4.0 x16 Slot (PCIE2), supports x4 mode*
- 1 x PCIe 4.0 x16 Slot (PCIE5), supports x8 mode*
* Supports NVMe SSD as boot disks
Rear panel ports2 x Antenna Ports
- 1 x Optical SPDIF Out Port
- 1 x USB 3.2 Gen2 × 2 Type-C Port (20 Gb/s)
- 4 x USB 3.2 Gen2 Type-A Ports (10 Gb/s)
- 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s)
- 2 x USB 3.2 Gen1 Type-A Ports
- 2 x RJ-45 LAN Ports
- 1 x Clear CMOS Button
- 1 x BIOS Flashback Button
- 1 x Line Out Jack (Gold Audio Jack)
- 1 x Microphone Input Jack (Gold Audio Jack)
Onboard USB headers2 x USB 2.0 Headers (Support 4 USB 2.0 ports)
1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)
1 x Front Panel Type C USB 3.2 Gen2 Header (10 Gb/s)
Size & build
Form factorExtended ATX
Width and length12.0 in × 10.9 in
Shipping weight3.61 kg
Package size368 × 330 × 93 mm
More details
Registered statusYes

Questions about this item

What PCIe generation and lane width does the Blazing M.2 socket provide, and what is the resulting peak bandwidth?

The M2_1 socket runs at PCIe Gen5 x4, delivering up to 128 Gb/s for a single NVMe drive.

What physical mounting points and form factor does this board require in a chassis?

It uses the Extended ATX form factor and standard E-ATX screw holes; the CPU socket is sTR5, so a compatible cooler bracket is also needed.

How is the DDR5 memory installed for quad-channel operation, and which mistake should be avoided?

Populate all four 288-pin DIMM slots with identical registered ECC modules; the common error is mixing capacities or leaving a slot empty, which breaks quad-channel mode.

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