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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

Asrock W790 WS, Workstation, Intel W790, LGA4677, EATX, 8 DDR5, Wi-Fi 6E, Wi-Fi

SKU: W790 WS

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