DDR5 SERVER / WORKSTATION MEMORY

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This page lists every DDR5 ECC memory module NEMIX RAM supplies for servers and workstations — ECC Registered DIMM (RDIMM), ECC Unbuffered DIMM (ECC UDIMM) and ECC SODIMM — at DDR5-4800, DDR5-5200, DDR5-5600 and DDR5-6400. Every module on this page carries side-band ECC for error detection and correction at the system level, which is different from the on-die ECC built into all DDR5 chips.

What is on this page

Single modules from 16GB to 128GB (16GB, 24GB, 32GB, 48GB, 64GB, 96GB and 128GB) plus matched multi-module kits for fully populated systems. Start with the Form Factor filter — RDIMM for rack and tower servers and high-end workstations, ECC UDIMM for entry servers, single-socket workstations and NAS, ECC SODIMM for compact and embedded systems — then narrow by Technology Speed, Module Density, Kit and Rank, or use Shop by System Model to jump straight to modules matched to a specific machine.

Where DDR5 ECC memory is used

DDR5 RDIMM is commonly paired with Intel Xeon Scalable 4th/5th Gen, Xeon 6 and Xeon W, and with AMD EPYC 9004/9005, EPYC 8004 and Threadripper PRO platforms — Dell PowerEdge 16G/17G, HPE ProLiant Gen11/Gen12, Cisco UCS M7/M8, Lenovo ThinkSystem and ThinkStation, and Supermicro, Gigabyte and ASRock Rack boards. DDR5 ECC UDIMM is commonly paired with Intel Xeon E-2400 and Xeon 6300, AMD EPYC 4004/4005 and ECC-enabled workstation and NAS platforms. System-matched listings on this page include Dell PowerEdge, HPE and Cisco.

Choosing the right DDR5 server module

DDR5 RDIMM, ECC UDIMM and ECC SODIMM are not interchangeable — each is keyed for its own slot type, so start from what the platform supports. Within RDIMM, match rank organization (1Rx4, 2Rx4, 2Rx8) to the modules already installed where possible; mixed ranks can lower the effective speed. A faster module in a slower platform clocks down to the platform's speed, and a slower module pulls every channel down to its own speed. ECC UDIMM runs as ECC only on boards and processors that support it. If you are unsure, send us the system model or the OEM part number and we will confirm fitment before you order.

Buying DDR5 server memory direct from NEMIX RAM

NEMIX RAM is a US-based server memory specialist since 1993. Every module is researched, matched and compatibility-tested by NEMIX RAM, JEDEC-compliant, and backed by a lifetime warranty. Purchase orders, net terms and volume pricing are available for business, government and education buyers — request a quote with the part numbers or system models you need, or contact our sales team for fitment help.

Also searched as DDR5 server memory, DDR5 ECC RAM, DDR5 ECC RDIMM, DDR5 registered memory, DDR5 ECC unbuffered, DDR5 workstation memory, PC5 server RAM.

Showing 217 - 240 of 1282 products