Skip to main content
ASRock C621A WS Workstation ATX Motherboard, Supports 3rd Gen Intel Xeon Scalable Processors (LGA4189), DDR4, 4X PCIe 4.0 x16, Dual 10GbE LAN, IPMI
ASRock

ASRock C621A WS Workstation ATX Motherboard

Bottom line: The ASRock C621A WS Workstation ATX Motherboard is a specs-and-price decision rather than a crowd-consensus one in the retro motherboards category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Check price on Amazon

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Check price on Amazon → Compare to similar retro motherboards

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Backed by ASRock's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

MBWS ASRock Intel Socket P+ C621A

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored ASRock C621A WS Workstation ATX Motherboard using a rating × review-volume × price-fit model applied to published specs and reviews across the retro motherboards category. ASRock's retro motherboards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for retro motherboards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Enterprise-Grade Platform: Designed for 3rd Gen Intel Xeon Scalable processors on the LGA4189 socket, delivering unparalleled performance for data centers, workstations, and mission-critical servers.
  • Massive Memory Capacity: 8 x DDR4 DIMM slots support eight-channel memory architecture, compatible with RDIMM, LRDIMM, 3DS, and Intel Optane Persistent Memory 200 Series for up to 2TB of system memory.
  • Extensive PCIe 4.0 Expansion: Features 4 x PCIe 4.0 x16 and 3 x PCIe 4.0 x8 slots, providing immense bandwidth for multiple GPUs, RAID controllers, and high-speed networking cards.
  • Dual 10GbE & Dual 1GbE LAN: Equipped with Intel X710-AT2 for dual 10 Gigabit LAN ports and Intel I210 for dual Gigabit LAN ports, offering exceptional network throughput and redundancy.
  • Dedicated IPMI Management: Integrated ASPEED AST2500 controller with a dedicated IPMI LAN port, supporting iKVM and vMedia for complete out-of-band server management.
  • Flexible Storage Options: Includes 1 x Mini-SAS HD connector, 2 x SATA3 ports, 1 x Ultra M.2 (PCIe Gen3 x4/SATA), and 1 x M.2 (PCIe Gen3 x1/SATA) for versatile storage configurations. Supports RAID 0, 1, 5, 10.

Full Specifications

BrandASRock
Weight2oz
USB 2.02
PlatformLinux, Windows 10, Windows 11, Windows 2012 Server
CPU ModelIntel Xeon
CPU SocketLGA 4189
Model NameC621A WS
Unit Count1.0 Count
Chipset TypeIntel C621A
ConnectivityUSB
Model Number90-MXBGU0-A0UAYZ
Built-In MediaCamera Body
Chipset FamilyIntel
Mfr Part Number192807
Number of Ports10
Total Usb Ports11
Processor SocketLGA 4189
Total PCIe Ports7
Total SATA Ports2
Compatible DevicesServer
Full listing titleASRock C621A WS Workstation ATX Motherboard, Supports 3rd Gen Intel Xeon Scalable Processors (LGA4189), DDR4, 4X PCIe 4.0 x16, Dual 10GbE LAN, IPMI

Ready to buy?

ASRock C621A WS Workstation ATX Motherboard, Supports 3rd Gen Intel Xeon Scalable Processors (LGA4189), DDR4, 4X PCIe 4.0 x16, Dual 10GbE LAN, IPMI is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

Related Retro Motherboards

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →
ASRock C621A WS Workstation ATX Motherboard, Supports 3rd Gen Intel Xeon Scalable Processors (LGA4189), DDR4, 4X PCIe 4.0 x16, Dual 10GbE LAN, IPMI
View on Amazon →