ASROCK 

ASRock MB W790 W790 WS R2.0 LGA4677 Max2TB DDR5 PCIe EATX Retail

Mfg Part Number:  W790 WS R2.0  
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Price: $671.82
Quantity:
In Stock: 1
Last Updated: Aug 10, 2025
No Sales Tax except these states
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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.

The server grade ultra low loss PCB improves signal integrity, allowing motherboard to support PCIe 5.0 for both graphics card and M.2 SSD, it also improves memory OC potential to deliver the most extreme memory performance.

DDR5 ECC Memory Support

This workstation motherboard 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

This workstation motherboard supports 4 PCIe Gen5 x16 slots, deliver all the performance of PCIe Gen5 to your GPU and add-on cards. Fulfill all the professional design, deep learning, simulation and rendering applications.

Main Specification
General Information
Manufacturer ASRock, Inc
Manufacturer Part Number W790 WS R2.0
Manufacturer Website Address http://www.asrock.com
Brand Name ASRock
Product Model W790 WS R2.0
Product Name W790 WS R2.0 Gaming Desktop Motherboard
Product Type Gaming Desktop Motherboard
Processor & Chipset
Chipset Manufacturer Intel
Chipset Model W790
Total Processor Supported 1
Processor Socket Socket LGA-4677
Processor Generation Supported 4th Gen
Processor Supported Xeon
Memory
Number of Memory Slots 8
Memory Form Factor DIMM
Memory Form Factor RDIMM
Maximum Memory Supported 2 TB
Memory Technology DDR5 SDRAM
Error Checking ECC
I/O Controller
Controller Type Serial ATA/600
RAID Supported Yes
RAID Levels 10
RAID Levels 0
RAID Levels 5
RAID Levels 1
Video
Onboard Video CPU Dependent Video
Audio
Audio Channels 7.1
Network & Communication
Gigabit Ethernet Yes
2.5Gigabit Ethernet Yes
10Gigabit Ethernet Yes
I/O Expansions
PCI Express Standard PCI Express 4.0
PCI Express Standard PCI Express 5.0
Total Number of PCI Express Slots 5
Number of PCI Express x16 Slots 5
Interfaces/Ports
Total Number of USB Ports 5
Number of USB 3.2 Gen 1 Ports 3
S/PDIF Yes
Number of Network (RJ-45) Ports 2
Onboard Interfaces
Number of M.2 Interfaces 4
Total Number of Onboard USB Ports 8
Number of Onboard USB 2.0 Ports 3
Physical Characteristics
Form Factor Extended ATX
Width 12"
Depth 10.9"
Miscellaneous
Package Contents
  • W790 WS R2.0 Gaming Desktop Motherboard
  • 1 x User Manual
  • 1 x I/O Shield
  • 4 x SATA Data Cables
  • 1 x CPU Carrier for LGA 4677 E1A
  • 1 x CPU Carrier for LGA 4677 E1B
  • 4 x Screws for M.2 Sockets
  • 2 x Standoffs for M.2 Sockets
Energy Efficiency Compliance Energy-using Products Directive Ready (EuP Ready)
Energy Efficiency Compliance Energy-related Products Directive Ready (ErP Ready)
Environmental Compliance Restriction of Hazardous Substances (RoHS)
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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