Cheapest 128 GB DDR4 server RAM (ECC RDIMM)

All sizes of DDR4 server RAM (ECC RDIMM) →

Amazon $696/kittypical $852 · 4 listings Buy on Amazon: $696 for 1 kit →as of 2026-11-06 18:28:19 UTC
eBay —Not enough new listings yet; checked dailyUsed & new memory (ram) on eBay →

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All 4 listings, single kits first, then multipacks

ItemSizePricePer kit
A-Tech 128GB Kit (8x16GB) DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Wor… 1 kit1 kit$696$696 Amazon →
128GB 2X64GB DDR4 2666MHz PC4-21300 4Rx4 1.2V CL19 288-PIN ECC Registered RDIMM NEMIX RAM Server Memory KIT 1 kit1 kit$826$826 Amazon →
A-Tech 128GB Kit (8x16GB) DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx8 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Wor… 1 kit1 kit$878$878 Amazon →
OWC 128GB (8x16GB) DDR4 3200MHz ECC RDIMM 2Rx4 288-pin Memory RAM 1 kit1 kit$1,109$1,109 Amazon →

Amazon as of 2026-11-06 18:28:19 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/GBDDR5 server RAM (ECC RDIMM) $30.75/GBDDR5 laptop RAM (SODIMM) $10.31/GB