This page lists DDR5-5600 PC5-44800 ECC Registered DIMM (RDIMM) — 288-pin, 1.1V, ECC, with a register buffering the command and address lines so servers can populate more slots per channel at full speed. DDR5-5600 runs at 5600MT/s (5600MHz data rate) for 44.8 GB/s of bandwidth per channel.
What is on this page
Single modules from 16GB to 256GB (16GB, 24GB, 32GB, 48GB, 64GB, 96GB, 128GB and 256GB), in 1Rx4, 1Rx8, 2Rx4, 2Rx8, 4Rx4 and 8Rx4 rank configurations, plus matched kits up to 4TB total. Use the Module Density, Kit and Rank filters to narrow the list, or Shop by System Model to jump straight to modules matched to a specific machine.
Where DDR5-5600 RDIMM is used
DDR5-5600 RDIMM is commonly paired with fifth-generation Intel Xeon Scalable (Emerald Rapids), Xeon W-2500/W-3500 and AMD EPYC / Threadripper PRO platforms that support 5600MT/s registered memory. On this page the system-matched listings cover HPE, Lenovo, Dell, ASRock Rack and Gigabyte. Every part carries the OEM part number it replaces, so a DDR5-5600 order written against a Dell, HPE, Lenovo, Cisco or Supermicro part number can be matched line for line.
Choosing the right RDIMM module
RDIMM and LRDIMM cannot be mixed in the same system. Within RDIMM, match rank organization (1Rx4, 2Rx4, 2Rx8) to what the platform already runs where possible — mixed ranks are usually supported but can lower the effective speed. A DDR5-5600 module in a platform rated for a slower speed clocks down to the platform's speed; a slower module in a DDR5-5600 platform pulls every channel down to the slower speed. If you are unsure, send us the system model or the OEM part number and we will confirm fitment before you order.
Buying DDR5-5600 RDIMM 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.
