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.

Description

Specification

Motherboard Type: Server / Workstation
Form Factor: Extended ATX
Socket: Intel 4677
Chipset: Intel W790
Option 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-9x4)"
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 2x2 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
Option M.2 Slot(s): Yes (M.2)
Option No. LAN Ports: 3 x LAN
Option Max LAN Speed: 10GB LAN
Option Wi-Fi: Yes (Wi-Fi)

More Information

More Information
Brand	asrock
Manufacturer Number	W790 WS
EAN Number	4710483942785

Reviews

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

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