• Skip to main content
  • Corsair logo
  • Elgato logo
  • Scuf Gaming logo
  • Drop logo
  • Lifetime Support
  •  Sign In
  • Contact
ORIGIN PC Homepage ORIGIN PC Homepage
  • Search
  • User Account
  • Cart
  • Gaming PCs

    Best Selling Gaming PCs

    • ARACHNID Gaming PCARACHNID
      Open Air HydroX Cooled
    • GENESIS Gaming PCGENESIS
      Elite Custom HydroX Cooled
    • MILLENNIUM Gaming PCMILLENNIUM
      Premium Mid & Full Tower
    • NEURON Gaming PCNEURON
      Premium Mid & Full Tower
    • CHRONOS Gaming PCCHRONOS
      Small Form Factor Power
    • View All Gaming PCs

    Featured

    • Custom PC Builder
    • Intel Gaming PCs
    • NVIDIA Gaming PCs
    • CALL OF DUTY EDITION NEURON
    • ORIGIN Custom Labs
    • Custom PC Gallery
    • Accessories

    ORIGIN Custom Lab Bundles

    ORIGIN PC ARACHNID Learn More
  • Gaming Laptops

    Best Selling Gaming Laptops

    • EON18-X: 18in
      Intel Ultra 9 275HX / NVIDIA RTX 5090
    • EON16-X: 16in
      Intel Ultra 9 275HX / Up to NVIDIA RTX 5090
    • EON15-SL: 15in
      Intel i9 14900HX / NVIDIA RTX 4070
    • View All Gaming Laptops

    Featured

    • CALL OF DUTY EDITION EON16-X
    • Custom PC Gallery
    • Accessories

    Spring Promo

    Save up to $350 Learn More
  • Prebuilt PCs
  • Workstation PCs

    Best Selling Workstation

    • M-CLASS
      Pro-Level Mid & Full Tower
    • L-CLASS
      Full Tower Power User Workstation
    • NS-18: 18in
      Intel Ultra 9 275HX / NVIDIA RTX 5090
    • NX-16: 16in
      Intel Ultra 9 275HX / Up to NVIDIA RTX 5090
    • NSL-15: 15in
      Intel i9-14900HX / NVIDIA RTX 4070
    • View All Workstations

    Featured

    • Mobile Workstations
    • Desktop Workstations
    • X-CLASS GRANDO
    • NVIDIA Studio Systems
    • Solidworks Systems
    • Accessories

    Ultra 7 258V with Intel® AI Boost

    NSL-14 and NSL-16 with Intel Core Ultra, AI Boost, and 18+ battery life Learn More
  • Shop By

    By Use

    • Gaming
    • Business
    • School
    • Content Creation
    • AI

    By Type

    • Intel PCs
    • NVIDIA PCs
    • Preconfigured - Ready to Ship PCs
    • Custom Liquid Cooling PCs
    • Accessories
  • Offers
    • Current Offers
    • Limited Edition PCs
    • Outlet Store
    • ID.me
    • Financing
  • More
      • Accessories
      • Blog
      • NVIDIA AI
      • Varjo X ORIGIN PC
      • About Us
      • Contact Us
      • Support
      • Careers
      • Affiliates
      • ORIGINPCFamily
      • Twitch Prime
  • Cart
Search
R-CLASS
Sold Out
  • Features
  • Performance
  • Support
  • Tech Specs
Sold Out

R-CLASS

Professionally Built
Multi-GPU Server

When tasks require large-scale GPU power, the ORIGIN PC R-Class 4U GPU server can be added to your server rack for high-performance hybrid computing power. Customize the R-Class with up to seven single-slot graphics cards, up to two Intel Xeon processors or a single AMD Threadripper (64 Core), and up to 12 sticks of ECC RAM. Backed by an award-winning US-based support team, the ORIGIN PC R-Class offers unmatched power that you can add to your server room.

Features

Rack-Mountable
Server Design

R-Class Origin PC rack workstation

The R-Class 4U GPU server is built with an iStarUSA D-400L-7 server chassis that is rack-mountable. The internal layout of the server offers space for up to seven single or four dual-slot graphics cards, up to two Intel Xeon processors, and supports a 5-bay hotswap.

For convenience, the R-Class features two USB 3.0 ports in addition to any ports supported by the chosen motherboard.

Designed for Maximum Uptime

Even after receiving the R-Class server, IT specialists or professionals can easily open and swap out components using the tool-less covers around the server. Featuring a hotswappable center fan, the server is optimized to maximize its operation time.

Performance

Built By Professionals
for Professionals

The R-Class 4U GPU server was created for professionals requiring large-scale GPU-based computing. With plenty of workstation components to choose from, the R-Class server can be customized for specific tasks and workloads.

Up to

DUAL 28-CORE

Xeon Processors

Up to

7 SINGLE-SLOT

GRAPHICS CARDS

Up to

12 STICKS ECC

RAM

Up to

36 TB

Storage

Scalable Intel Xeon Processors

With support for dual 28-core Intel Xeon Gold processors, the R-Class can be customized for high-precision computations or CPU-intensive computing. Because of the design of the R-Class, it supports an adaptable topology such as the ability to choose a single or dual root complex, perfect for deep learning requirements, high-performance computing, data science, or rendering.

Multiple Graphics Cards

The R-Class features room for seven full-height, full-length GPU cards. Add however many NVIDIA Workstation GPUs needed to handle your Graphics-based computing tasks. Customize your R-Class to handle GPU-intensive tasks such as rendering, simulations, deep learning, development, virtualization, and more. The tool-less chassis of the R-Class makes it easy to maintain or upgrade graphics cards when the time comes.

Expansive Memory and Storage

The design of the R-Class allows for multiple expansion opportunities for ECC RAM and storage drives. There are twenty-four slots available for ECC RAM kits, twelve slots per Intel Xeon CPU. Up to three PCIe M.2 SSD can be added to the server’s motherboard, and up to five SATA storage drives can be quickly accessed via the 5-bay hotswap.

Gallery

R-Class front open angle
R-Class internal
R-Class internal and GPU
R-Class front top open
R-Class front top open angle
R-Class top open

Support

Lifetime Service & Support

Our job does not end when your R-Class custom rackmount server arrives. Every ORIGIN PC system is backed by a lifetime service agreement. When you purchase your R-Class server, you will receive dedicated service, including labor, from our trained and experienced staff whenever you need it. We offer optional premier on-site support or repair services and can accommodate specific support services at your request. We offer support via email, online chat, US-based lifetime phone support, and more.

US-Based Support

System Upgrades

Wooden Crate Armor

Extended Warranty

US-Based Service & Support

We stand with every high-performance PC that leaves our warehouse. We understand that during the life of your system anything can happen, which is why our support staff will always be on call Monday—Sunday from 6AM—8PM PST. We even use remote access technology, if you want a hands-off approach when solving a software issue.

System Upgrades

Need some repairs or upgrades on your system? We offer free labor on our systems and will do the work for you. You can even trade in your old graphics card to reduce the cost of the new graphics card with our optional EVOLVE Service. Learn more

Recovery Image

All ORIGIN PC systems ship with a recovery factory system image of partitioned into their storage drives. Regardless of what state your operating system is in, you can recover your system with the backup software and system image that’s always available.

Wooden Crate Armor

Protecting your system is our priority, which is why we use specially designed wooden crate armor for shipping. Your ORIGIN PC will be protected from shipping hazards, accidents, or mishandling when protected with wooden crate armor.*

*Disclaimer: If shipping back to ORIGIN PC, the system should be shipped in wooden crate armor if the system was initially received in wooden crate armor. Learn more

Extended Warranty

We offer a 1 Year Part Replacement and 45 day shipping warranty plan with all ORIGIN PCs. Optional extended part replacement and free shipping warranty plans are also available. With these special plans you won’t have to pay for parts or shipping costs if your system requires any servicing. Learn more

Once you’re with the ORIGIN PC Family, we’ll always have your back.

ASSEMBLED AND SUPPORTED

IN THE USA

By buying an ORIGIN PC, you get access to a fast and powerful PC as well as supporting jobs based in the United States. Learn More

Tech Specs

Configuration Inquiry

Products

  • Gaming PCs
  • Gaming Laptops
  • Workstation Desktops
  • Workstation Laptops
  • Government & Corporate
  • Gearshop
  • Custom Design
  • Prebuilt Gaming PC

Company

  • About
  • Contact
  • Careers
  • Terms of Use
  • Privacy Policy
  • Accessibility Statement
  • Financing

Support

  • Customer Service
  • FAQs
  • Wallpapers

Community

  • ORIGINPCFAMILY
  • Blog
  • Twitch Prime
  • Affiliates

Newsletter

Get access to exclusive offers!

Subscribe
  • Twitter
  • Facebook
  • Instagram
  • YouTube
  • TikTok
  • Twitch
Visit Corsair Home Page

© 2025 ORIGIN PC Corporation. All Rights Reserved.