Cheapest 128 GB DDR5 server RAM (ECC RDIMM)

All sizes of DDR5 server RAM (ECC RDIMM) →

Amazon $4,990/kittypical $5,097 · 3 listings Buy on Amazon: $4,990 for 1 kit →as of 2026-11-06 21:38:44 UTC
eBay —Not enough new listings yet; checked dailyUsed & new memory (ram) on eBay →

Amazon prices are before shipping (free on most items with Prime); eBay prices include shipping. We earn a commission when you buy through these links, at no cost to you.

All 3 listings, single kits first, then multipacks

ItemSizePricePer kit
Samsung 128GB DDR5 4800MHz PC5-38400 ECC RDIMM 4Rx4 2S2Rx4 (EC8 10x4) Quad Rank 1.1V Registered DIMM 288-Pin Server RAM… 1 kit1 kit$4,990$4,990 Amazon →
NEMIX RAM 128GB (2X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT Compatibl… 1 kit1 kit$5,097$5,097 Amazon →
128GB 8X16GB DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC Registered RDIMM KIT NEMIX RAM Server Memory Compatible … 1 kit1 kit$5,355$5,355 Amazon →

Amazon as of 2026-11-06 21:38:44 UTC: Amazon's own price, else its lowest new offer, before shipping and tax (via Keepa); product prices and availability are accurate as of the date/time indicated and are subject to change.

Size comes from the seller's unit count or the listing title; check the listing before buying. As an Amazon Associate and eBay Partner, Sharpest earns from qualifying purchases.

More memory (ram)

DDR5 desktop RAM $8.12/GBDDR4 laptop RAM (SODIMM) $3.75/GBDDR4 desktop RAM $3.12/GBDDR4 server RAM (ECC RDIMM) $4.99/GBDDR5 laptop RAM (SODIMM) $10.31/GB