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ASRock · sTR5 · TRX50

AsRock TRX50 WS

E-ATX · DDR5 ECC Reg · 4 DIMMs · 18-phase VRM · Wi-Fi 6E (802.11ax)

Quality
95
VRM
98
Value
24
Amazon
$756
AsRock TRX50 WS
View AsRock TRX50 WS Gallery in high resolution
$756
Unavailable Updated 4 weeks ago
Overall94.8
VRM98.0
Chipset88.0
Expansion / storage110.0
Connectivity94.0
Audio84.0
Quality / price23.8
$756 on Amazon Open in PC Builder Motherboard table

Written analysis

AsRock TRX50 WS at a glance

The AsRock TRX50 WS uses the E-ATX form factor, sTR5 socket, and TRX50 chipset. It is a high-end desktop platform aimed at Threadripper systems that need more lanes and memory bandwidth than a mainstream desktop.

Memory support is DDR5 ECC Reg across 4 DIMM slots, with up to 1024 GB and rated overclocked speeds up to 7600 MT/s. The board can operate memory in ECC mode.

Best fit: high-core-count workstation, rendering, compilation, and compute systems.

Power delivery

The calculated VRM score is 98.0, placing the power delivery in the ultra high-end class. The board lists 18 CPU power phases, 110 A power stages in a 18+3+3 layout. CPU power input is listed as 2. That is appropriate for sustained high-power CPUs and aggressive tuning when case airflow and VRM cooling are also adequate.

Expansion and storage

The expansion and storage score is 110.0: exceptionally well equipped . The platform supports PCIe 5.0. Physical expansion includes 5 ×16 slots.

On-board storage consists of 2 M.2 slots supporting M2_1 PCIe5.0x4 (from CPU); M2_2 PCIe4.0x4 (from Chipset) and 4 SATA ports. Supported M.2 lengths are listed as 2280, 2260. The two-slot layout covers a typical OS-and-games or OS-and-project-drive setup.

Connectivity and rear I/O

The connectivity score is 94.0, rated premium . Wireless networking is Wi-Fi 6E (802.11ax) ; wired networking is 1 x 10 Gigabit LAN 100/1000/2500/5000/10000 Mb/s (Marvell AQC113) at up to 10000 Mbps. Bluetooth 5.2 is included. The recorded USB provision is 8 rear connections and 7 front-panel connections. The specification sheet below separates every USB speed and connector type.

Audio

The audio score is 84.0. This is a high-end onboard implementation using Realtek ALC1220 Audio Codec, suitable for good headsets, powered speakers, and everyday content work. The rear panel has 2 analogue jacks, with gold-plated contacts. Optical S/PDIF is present for digital audio equipment.

Buying verdict

Overall quality is 94.80, a premium result. It makes sense when the build will use its stronger VRM and richer connectivity; otherwise a lower-tier board may deliver the same CPU performance for less.

At the recorded Amazon price, the quality-to-price score is 23.8. This is a feature-first premium purchase; compare nearby boards if several flagship extras would go unused.

Board data

Full specifications

Platform, expansion, storage, rear I/O, internal headers, networking, audio, and board controls in one sheet.

General

Manufacturer
ASRock
Motherboard
AsRock TRX50 WS
Chipset / socket
TRX50 / sTR5
Form factor
E-ATX
Launch price
—
Amazon price
$756
Availability
Unavailable
Price updated
4 weeks ago

VRM

CPU phases
18 (110 A)
Power design
18+3+3
EPS connector
2

Memory

Type / slots
DDR5 ECC Reg / 4 DIMMs
Max capacity / OC
1024 GB / 7600 MT/s
Per DIMM
256 GB
XMP / EXPO
Not recorded
ECC
Operates in ECC mode

PCIe

Supported version
PCIe 5.0
x16 physical
5
x16 Gen 5
3
x16 Gen 4
2

Storage

M.2 slots
2
M.2 lengths
2280, 2260
M.2 modes
M2_1 PCIe5.0x4 (from CPU); M2_2 PCIe4.0x4 (from Chipset)
SATA ports
4

Display outputs

HDMI
No
DisplayPort
No
USB-C DisplayPort
No

USB

Rear USB 3.2 Gen 1 Type-A 5 Gbps
2
Rear USB 3.2 Gen 2 Type-A 10 Gbps
4
Rear USB 3.2 Gen 2 Type-C 10 Gbps
1
Rear USB 3.2 Gen 2×2 Type-C 20 Gbps
1
Front USB 2.0
4
Front USB 3.2 Gen 1 Type-A 5 Gbps
2
Front USB 3.2 Gen 2 Type-C 10 Gbps
1

Networking

Ethernet
1 x 10 Gigabit LAN 100/1000/2500/5000/10000 Mb/s (Marvell AQC113)
LAN ports
3
LAN speed
10000 Mbps
Wi-Fi
Wi-Fi 6E (802.11ax)
Bands
['2.4 GHz', '5 GHz', '6 GHz']
Antenna connectors
2
Bluetooth
5.2

Audio

Chipset
Realtek ALC1220 Audio Codec
Analog jacks
2
Gold-plated jacks
Yes
Optical S/PDIF
Yes
Spatial audio
Rear output

Buttons

BIOS flashback
Yes
Clear CMOS
Yes
Q-Flash Plus
No
Smart button
No
Onboard start / reset
Start / Reset

Additional information

CPU support
Supports AMD Ryzen™ Threadripper™ PRO 9000/7000 WX-Series and AMD Ryzen™ Threadripper™ 9000/7000 Series Processors Supports AMD Socket sTR5 Supports ASRock Hyper BCLK Engine
OS support
Microsoft Windows ® 11 64-bit
Memory notes
Quad-channel DDR5 with 4 DIMM slots. Supports DDR5 ECC and buffered RDIMM (including RDIMM-3DS) up to 7600+ MT/s (overclock). Maximum system memory 1 TB (implies up to 256 GB per DIMM). Speed noted as OC-capable; RDIMM-3DS indicates support for 3DS stacked registered modules.
Expansion notes
Maximum supported generation: PCIe 5.0 — offers approximately double the per-lane bandwidth of PCIe 4.0 and is backward compatible with earlier PCIe versions. Slot summary: three physical PCIe 5.0 x16 slots (PCIE1 and PCIE3 operate at full x16; PCIE4 is physically x16 but electrically x8), plus two physical PCIe 4.0 x16 slots (PCIE2 supports x4 mode electrically; PCIE5 supports x8 mode electrically). Total physical x16 slots = 5. No dedicated physical x8/x4/x1 slots listed. Note that several physical x16 slots are electrically limited (PCIE4 x8; PCIE2 x4; PCIE5 x8), reducing usable lane bandwidth for those slots. No bifurcation/bandwidth-sharing table provided in the text. 15μ gold contacts noted for VGA PCIe slots.
M2_1
PCIe 5.0 x4 4 · 2280, 2260 · From CPU
M2_2
PCIe 4.0 x4 4 · 2280, 2260 · From Chipset
RAID
SATA / PCIe (RAID 0, RAID 1, RAID 10)
Storage notes
M2_1 (CPU) and M2_2 (Chipset) support NVMe and can be used as boot disks. 1x MCIO PCIe Gen5x4 connector present. 2x SlimSAS SFF-8654 connectors can operate as PCIe Gen4x4 or as 4x SATA3 each (i.e., up to 8 SATA ports if configured). SATA: 4 dedicated SATA3 ports on chipset. RAID 0/1/10 supported for SATA and M.2 NVMe; additional M.2 NVMe expansion cards are required to support NVMe RAID 10.
USB notes
Counts derived from the Primary USB data only. All USB ports support ESD protection. Internal I/O notes (not counted above): 1 x Thunderbolt AIC connector (supports ASRock Thunderbolt 4 AIC card); 2 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). No USB Type-C PD wattage specified in the primary data.
Audio notes
7.1 CH HD Audio with Content Protection; Impedance sensing on rear out port; Individual PCB layers for left/right audio channels; Nahimic Audio
Networking notes
Supports IEEE 802.11a/b/g/n/ac/ax; Dual-Band 2x2 with extended 6GHz band support (Wi-Fi 6E); 2 antennas for 2x2 diversity; MU-MIMO supported; Wi-Fi 6E module supported by Microsoft Windows 11 only and 6GHz availability depends on regional regulations and may be activated via Windows Update; a 6GHz-compatible router is required for 6E functionality. LAN: 1 x 10 Gigabit LAN (100/1000/2500/5000/10000 Mb/s) (Marvell AQC113) plus 2 x RJ-45 LAN ports.
Button notes
Also includes a Power Button with LED, Reset Button with LED, and Dr. Debug with LED. No Smart Button or Q-Flash Plus button listed. Notes: Addressable LED headers support up to 5V/3A (15W). Fan connector power limits — CPU_FAN1: up to 1A (12W); CPU_FAN2/WP: up to 2A (24W); CHA_FAN1~3/WP: up to 2A (24W). Multi-PSU adaptor cable should be plugged into ATX_CON1 when using a secondary PSU. Both ATX12V1 and ATX12V2 must be connected for proper boot; all 8-pin and 6-pin 12V connectors are required when overclocking; a 6-pin PCIe 12V cable is required for GFX_12V1 to boot properly.
Fan / RGB headers
1 CPU · 1 OPT · — AIO · 3 chassis · 2 ARGB · — RGB
Thermal sensors
2
Other headers
Front audio · TPM · Thunderbolt
Accessories
- 1 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
Dimensions
EATX Form Factor: 12.0-in x 10.9-in, 30.5 cm x 27.7cm12 Layer PCB2oz Copper PCB

Extracted notes sit here. Official manufacturer copy is at the bottom of the page.

Amazon

Price history

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Vendor copy

Official manufacturer data

Raw manufacturer text kept for reference. Structured specs above are extracted from this copy and are the source for scores and tables.

CPU support

Supports AMD Ryzen™ Threadripper™ PRO 9000/7000 WX-Series and AMD Ryzen™ Threadripper™ 9000/7000 Series Processors
Supports AMD Socket sTR5
Supports ASRock Hyper BCLK Engine

Memory

- Quad Channel DDR5 Memory Technology
- 4 x DDR5 DIMM Slots
- Supports DDR5 ECC, buffered memory (RDIMM/ RDIMM-3DS) up to 7600+(OC)
- Max. capacity of system memory: 1TB

Graphics

- n/a

Expansion slots

CPU:
- 3 x PCIe 5.0 x16 Slots (PCIE1/PCIE3 at x16; PCIE4 at x8) *
- 1 x PCIe 4.0 x16 Slot (PCIE2), supports x4 mode *
- 1 x PCIe 4.0 x16 Slot (PCIE5), supports x8 mode *
Chipset:
- 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module
- 15μ Gold Contact in VGA PCIe Slots

* Supports NVMe SSD as boot disks

Storage

CPU:
- 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2260/2280 PCIe Gen5x4 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 mode *
- 4 x SATA3 6.0 Gb/s Connectors

* Supports NVMe SSD as boot disks, - Supports 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

USB

CPU:
- 1 x USB 3.2 Gen2x2 Type-C (Rear)
- 4 x USB 3.2 Gen2 Type-A (Rear)
Chipset:
- 2 x USB 3.2 Gen2 Type-C (1 Rear, 1 Front)
- 4 x USB 3.2 Gen1 Type-A (2 Rear, 2 Front)
- 4 x USB 2.0 (Front)

* All USB ports support ESD Protection

Internal I/O

- 2 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 x 6 pin Graphics 12V Power Connector (Hi-Density Power Connector) (for PCIe card) * * * * * * *
- 1 x Front Panel Audio Connector (15μ Gold Audio Connector)
- 1 x Thunderbolt™ AIC Connector (5-pin) (Supports ASRock Thunderbolt™ 4 AIC Card)
- 2 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)
- 1 x Dr. Debug with LED
- 1 x Power Button with LED
- 1 x Reset Button with LED

* Support in total up to 5V/3A, 15W LED Strip
* * CPU_FAN1 supports the fan power up to 1A (12W).
* * * CPU_FAN2/WP supports the fan power up to 2A (24W).
* * * * CHA_FAN1~3/WP support the fan power up to 2A (24W).
* * * * * Plug the Multi PSU Adaptor Cable that comes with the package to ATX_CON1 if you use a secondary PSU.
* * * * * * It is required to connect both ATX12V1 and ATX12V2; otherwise, the system may not boot up properly.
* * * * * * It is required to connect all 8 pin and 6 pin 12V Power Connectors when overclocking.
* * * * * * * It is required to connect a 6 pin PCIE 12V Power Cable to GFX_12V1; otherwise, the system may not boot up properly.

Rear I/O

- 2 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)

Wireless

- 802.11ax Wi-Fi 6E Module
- Supports IEEE 802.11a/b/g/n/ac/ax
- Supports Dual-Band 2x2 with extended 6GHz band support *
- 2 antennas to support 2 (Transmit) x 2 (Receive) diversity technology
- Supports Bluetooth 5.2 + High speed class II
- Supports MU-MIMO

* The Wi-Fi 6E module is supported by Microsoft Windows ® 11 only. The availability of the 6GHz band 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.

Audio

- 7.1 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

Special features

Superb Productivity
- PCIe Gen5 (Graphics, M.2)
- Quad Channel DDR5
Rock-Solid Durability
- Ultra Low-Loss PCB
- 18+3+3 Power Phase, 110A SPS for VCore
- 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

Accessories

- 1 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