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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

  • CPU Socket TypeSocket sTR5
  • CPU TypeSupports AMD Ryzen Threadripper PRO 9000/7000 WX-Series and
  • North BridgeAMD TRX50
  • Memory Slots4 x DDR5 288-pin
  • Memory StandardDDR5 7600 (OC)
  • Maximum Memory Supported1TB
  • 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.

Highlights

  • 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

Specifications

BrandASRock
ModelTRX50 WS
CPU Socket TypeSocket sTR5
CPU TypeSupports AMD Ryzen Threadripper PRO 9000/7000 WX-Series and AMD Ryzen Threadripper 9000/7000 Series Processors
North BridgeAMD TRX50
Memory Slots4 x DDR5 288-pin
Memory StandardDDR5 7600 (OC)
Maximum Memory Supported1TB
Channel SupportedQuad Channel
ECC SupportedYes
RegisteredYes
PCI Express 5.0 x16CPU:
- 3 x PCIe 5.0 x16 Slots (PCIE1/PCIE3 at x16; PCIE4 at x8)*
PCI Express 4.0 x16- 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
SATA4 x SATA 6.0Gb/s
SATA RAIDSupports RAID 0, RAID 1 and RAID 10 for SATA storage devices
Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices*
* Requires additional M.2 NVMe expansion cards to support RAID 10
M.21 x Blazing M.2 Socket (M2_1, Key M), supports type 2260/2280 PCIe Gen5x4 (128 Gb/s) mode*
- 1 x MCIO PCIe Gen5x4 Connector
- 2 x SlimSAS SFF-8654 Connectors (PCIe Gen4x4 or 4 x SATA3 6.0 Gb/s) Chipset:
- 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
Audio Channels7.1 CH HD Audio with Content Protection (Realtek ALC1220 Audio Codec)
- Impedance Sensing on Rear Out port
- Individual PCB Layers for R/L Audio Channel
- Nahimic Audio
Max LAN Speed1 x 10 Gigabit LAN 100/1000/2500/5000/10000 Mb/s (Marvell AQC113)
- Support Wake-On-LAN
- Support PXE
1 x 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
Wireless LAN- 802.11ax Wi-Fi 6E Module
- Supports IEEE 802.11a/b/g/n/ac/ax
- Supports Dual-Band 2x2 with extended 6GHz band* support
* Wi-Fi 6E (6GHz band) will be supported by Microsoft® Windows® 11.
The availability will depend on the different regulation status of each country
and region.
It will be activated (for supported countries) through Windows Update and
software updates once available.
* A 6GHz compatible router is required for 6E functionality.
- 2 antennas to support 2 (Transmit) x 2 (Receive) diversity technology
- Supports Bluetooth 5.2 + High speed class II
- Supports MU-MIMO
*Wi
Back I/O Ports2 x Antenna Ports
- 1 x Optical SPDIF Out Port
- 1 x USB 3.2 Gen2x2 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 USB2 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)
Other Connectors2 x Thermistor Cable Headers
1 x SPI TPM Header
1 x COM Port Header
1 x Chassis Intrusion and Speaker Header
2 x Addressable LED Headers*
1 x CPU Fan Connector (4-pin)**
1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)***
3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)****
1 x 24 pin ATX Power Connector (Hi-Density Power Connector)
1 x 3 pin ATX Power Connector*****
2 x 8 pin ATX 12V Power Connectors (Hi-Density Power Connector) (for Motherboard)******
2 x 6 pin PCIe 12V Power Connectors (Hi-Density Power Connector) (for Motherboard)******
1
FeaturesSuperb Productivity
- PCIe Gen5 (Graphics, M.2)
- Quad Channel DDR5
Rock-Solid Durability
- Ultra Low-Loss PCB
- 18+3+3 Power Phase, 110A SPS Design
- Pre-Installed I/O Shield
- 20K Long-lasting Black Caps (high quality and conductive polymer capacitors)
Ultrafast Connectivity
- 10G LAN, 2.5G LAN, 802.11ax Wi-Fi 6E Module
EZ Update
- BIOS Flashback Button
- ASRock Auto Driver Installer
Form FactorExtended ATX
Dimensions (W x L)12.0" x 10.9"
Package Contents1 x User Manual
4 x SATA Data Cables
1 x ASRock WiFi 2.4/5/6 GHz Antenna
2 x Thermistor Cables
1 x Multi PSU Adaptor Cable
2 x Screws for M.2 Sockets
2 x Standoffs for M.2 Sockets
Shipping weight3.61 kg
Package size368 × 330 × 93 mm

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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