Asrock W790 WS, Workstation, Intel W790, LGA4677, EATX, 8 DDR5, Wi-Fi 6E, Wi-Fi 6E, 2x 10G LAN, USB4, PCIe5, 4x M.2

£1,022.82 (inc VAT)

Meet the ASROCK W790 WS – the dependable and versatile workstation motherboard designed for powerful performance, manageability, and reliability. With features such as DDR5 ECC memory support, PCIe 5.0, Thunderbolt technology, and a reinforced steel slot, this motherboard is perfect for professional design, deep learning, simulation, and rendering applications. And with EZ setting options like auto-driver installation and BIOS flashback, set up is a breeze. Upgrade your computing game with the ASROCK W790 WS now.

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Dependable and Versatile Workstations Motherboard.

Designed to deliver powerful performance, manageability and reliability for high speed computing workstations.
  • Supports 4th Gen Intel® Xeon® W W-3400 and W-2400 Processors (LGA4677)
  • 20+2 Power Phase, 90A SPS Design
  • 14 Layer Server-Grade Ultra Low-Loss PCB
  • Supports DDR5 ECC, buffered memory up to 6800+(OC)*
  • 4 PCIe 5.0 x16, 1 PCIe 4.0 x16
  • 4 Blazing M.2 (PCIe Gen5 x4), 1 U.2 mini SAS Connector (PCIe Gen4 x4), 8 SATA3
  • 2 USB4 Thunderbolt™ 4 Type-C
  • 1 USB 3.2 Gen2x2 Type-C (Front),
  • 2 USB 3.2 Gen2 (Rear),
  • 8 USB 3.2 Gen1 (4 Rear, 4 Front),
  • 7.1 CH HD Audio (Realtek ALC897 Audio Codec)
  • Dual Marvell AQUANTIA® 10 GbE LAN
  • Intel® i225LM 2.5 GbE LAN
  • 802.11ax WiFi 6E + Bluetooth 5.3
  • Supports ASROCK Blazing Quad M.2 Card
Optimized VRM Design
  • SPS (Smart Power Stage) – Dr.MOS design features the latest SPS (Smart Power Stage) technology. It’s optimized for monitoring current and temperature of each phase, thus delivering smoother and neater power to the CPU with enhanced performance and OC capability.
  • 20+2 Power Phase Design – Featuring sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.
  • 14 Layer PCB – The 14 Layer PCB provides stable signal traces and power shapes delivering lower temperature and higher energy efficiency for memory overclocking! Thus, it's able to support the latest memory modules with most extreme memory performance!
  • Composite VRM Heatsink – The advanced cooling system of the composite VRM heatsink provides efficient heat dissipation, which means users can enjoy high-performance computing without having to worry about thermal issues. The triple EBR cooling fans, XXL aluminum-alloy heatsink, aluminum fin array, and heat pipe work together to maintain optimal temperature levels for the system, ensuring smooth and stable operation even under heavy workloads.
  • Server-Grade Ultral Low-Loss PCB – The server grade PCB prevents PCB bending and improves signal integrity, giving higher PCIe 5.0 and memory performance as well as system stability, giving a reliable and long-lasting system without any compromise.
  • Digi Power – Unlike traditional motherboards that use analog power, this motherboard uses a next generation digital PWM (Pulse-Width Modulation) design, which provides CPU Vcore voltage more efficiently and smoothly, so that the stability and lifespan of the motherboard is greatly enhanced.
DDR5 ECC Memory Support
ASROCK W790 WS supports 8 DIMMs Quad-Channel DDR5 RDIMM ECC Memory overclocking with max capacity of 2048GB and is able to automatically detected and corrected data corruption, reducing the chance of system crashes to ensure workstation stability with multiple memory modules.

PCIe 5.0 + Surface-Mount Tech
Compares to conventional DIP style PCIe slot, the SMT type PCIe slot improves signal flow and maximize stability under high speed, a key breakthrough to fully support the lighting speed of the latest PCIe 5.0 standard.
The latest PCI Express 5.0 is capable to perform a breathtaking bandwidth of 128GBps, ready to unleash the full potential of future high end graphic cards.

4 x PCIe Gen5 x16
With 4th Gen Intel® Xeon® Sapphire Rapids Series Processors, ASROCK W790 WS supports 4 PCIe Gen5 x16 slots, deliver all the performance of PCIe Gen5 to your GPU and add-on cards. Fullfill all the professional design, deep learning, simulation and rendering applications.

Reinforced Steel Slot [PCIe 5.0 Version]
The reinforced steel slot is capable of supporting PCI Express 5.0 standard. The various benefits include:
  • Extra anchor points
  • Stronger latch
  • Ensure signal stability
  • Make sure heavy graphics cards to be well-installed.

Thunderbolt Technology

  • Thunderbolt™ 4/USB4 Type-C – Thunderbolt™ 4/USB4 technology brings speed and versatility to the most advanced USB Type-C, offering a fast and simple level of connection for work or home. It enables lightning-fast data transfer up to 40Gbps and connects external monitors, Thunderbolt™, and USB devices with a single Thunderbolt 4 cable.
  • Fast Charging Technology – Enjoy the superfast charging rate, up to 9V@3A 27W with the next generation PD 3.0!
Various Storage Interface Selection
Provides multiple interface for storage devices including mini-SAS HDD connector, SATA3, and M.2 Key-M slot that can support PCIe Gen5 x4 M.2 SSD.

PCIe Gen5 Blazing M.2
The Blazing M.2 accommodates the latest PCI Express 5.0 standard to perform twice the bandwidth compared to previous generation, with a breathtaking 128Gb/s transfer speed, it is ready to unleash the full potential of future ultrafast SSDs.

Dual AQUANTIA® / Marvell 10GbE LAN
Equipped with dual Marvell (Aquantia) 10GbE controller. The new 10Gb/s network standard was specially designed to satisfy the user who is seeking immediate performance improvements. It offers blazingly fast 10-gigabit/sec transfer speed over Cat6 cable. The 10Gb/s Ethernet not only fully compatible with 5Gb/s, 2.5Gb/s & Gigabit Lan but also delivers lightning fast transfer speed, perfect for media center, workstation and gaming PC.

Supports Intel® vPro technology
The Intel® Ethernet Controller I225LM is designed for use on any mobile, desktop, workstation, value-server, or industrial designs that have critical space constraints. Featuring 2.5Gb/s Ethernet and supports Intel® Active Management Technology on systems enabled with Intel® vPro® technology.

Wi-Fi 6E 802.11ax
WiFi 6E technology has extended to the whole new 6GHz spectrum band, providing more WiFi capability and giving an even better and faster internet traffic. In addition to deliver higher speeds, the WiFi 6E also enhances the lower latency and supports service levels that are equivalent to 5G networks.


EZ Setting

  • Auto Driver Installer – Optical drive or driver DVD is no longer needed! ASROCK motherboard already has its Ethernet driver prepacked in BIOS ROM, once finish installing the operation system, simply follow the instructions and allow ADI to download and install all necessary drivers automatically!
  • BIOS Flashback – Get the most convenient BIOS flashing with just a simple click. Users can easily achieve the latest BIOS support with a USB and power supply, No CPU, RAM or other components required.
  • Flexible Integrated IO Shield – Unlike most so called pre-mounted I/O shield that is only decorated with fancy color schemes. We reserve more tolerance space and allow IO shield is adjustable when installing, thus fitting chassis perfectly without any mechanical issue.


Additional information

Weight 3.2000 kg




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Tech Specs



  • Motherboard Type: Server / Workstation
  • Form Factor: Extended ATX
  • Socket: Intel 4677
  • Chipset: Intel W790
  • #Hide#DDR Type: DDR5
  • CPU Support: Click here for CPU support
  • RAM Technology: DDR5 (Quad Channel)
  • RAM Slots: 8 x DIMM
  • RAM Speeds: “Up to 6800+(OC) ECC, buffered memory (RDIMM/ RDIMM-3DS/ RDIMM-9×4)”
  • Maximum Memory: 2048GB
  • Graphics:
  • Graphics Ports:
  • PCI/PCI Express: “4 x PCIe 5.0 x16 (PCIE1/PCIE3 at x16; PCIE2/PCIE5 at x8)
    1 x PCIe 4.0 x16 (supports x4 mode)”
  • Storage: 8 x SATA III
    1 x M.2 (230/2242/2260/2280) – PCIe
    1 x M.2 (2260/2280) – PCIe
    1 x M.2 (2260/2280) – PCIe
    1 x M.2 (2260/2280) – PCIe
    1 x U.2 Connector (supports PCIe Gen4x4 (64 Gb/s) mode)
  • RAID: “Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices

    Supports RAID 0, RAID 1, RAID 5 and RAID 10 for M.2 NVMe storage devices”

  • Wireless: 802.11ax Wi-Fi 6E Module
    Supports IEEE 802.11a/b/g/n/ac/ax
    Supports Dual-Band 2×2 with extended 6GHz band support
    1 antenna – 2 (Transmit) x 2 (Receive) diversity tech
    Supports Bluetooth 5.3 + High speed class II
    Supports MU-MIMO
  • LAN: Dual 10GB LAN & 2.5GB LAN
  • Audio: 7.1 CH HD Audio (Realtek ALC897 Audio Codec)
  • USB Ports Supported: “2 x USB4 Thunderbolt 4 Type-C (at back)
    2 x USB 3.2 Gen2 Type-A (at back)
    4 x USB 3.2 Gen1 Type-A (4 at back, 4 at mid-board)
    3 x USB 2.0 (at mid-board)
    1 x USB 3.2 Gen2x2 Type-C front panel connector”
  • Back Panel I/O Ports: 2 x Antenna
    1 x Optical SPDIF Out
    2 x USB4 Thunderbolt 4 Type-C
    2 x USB 3.2 Gen2 Type-A
    4 x USB 3.2 Gen1
    3 x RJ-45 LAN
    1 x BIOS Flashback Button
    1 x Line Out Jack
    1 x Microphone Input Jack
  • Internal I/O Connectors: 1 x Virtual RAID On CPU
    1 x SPI TPM
    1 x Chassis Intrusion and Speaker
    1 x CPU Fan
    1 x CPU/Water Pump Fan
    3 x Chassis/Water Pump Fan
    1 x 24 pin ATX
    2 x 8 pin 12V
    1 x 6 pin 12V
    2 x 8 pin 12V
    1 x Front Panel Audio
    2 x USB 2.0
  • .: 2 x USB 3.2 Gen1
    1 x Front Panel Type-C USB 3.2 Gen2x2
    1 x Clear CMOS Button
    1 x Dr. Debug with LED
    1 x Power Button with LED
    1 x Reset Button with LED
  • Accessories: 1 x User Manual
    4 x SATA Data Cables
    1 x ASRock WiFi 2.4/5/6 GHz Antenna
    4 x Screws for M.2 Sockets
    2 x Standoffs for M.2 Sockets
  • Additional Features: See Overview
  • Package Type: Retail
  • Package Weight: 3.2000 kg
  • Warranty: 3 Year Replacement Warranty
  • #Hide#M.2 Slot(s): Yes (M.2)
  • #Hide#No. LAN Ports: 3 x LAN
  • #Hide#Max LAN Speed: 10GB LAN
  • #Hide#Wi-Fi: Yes (Wi-Fi)