# Cheapest 128 GB DDR4 server RAM (ECC RDIMM)

[All sizes of DDR4 server RAM (ECC RDIMM) →](https://sharpest.ai/per-unit/ddr4-server-ram-ecc-rdimm)

 Amazon **$696 /kit** typical $852 · 4 listings [Buy on Amazon: $696 for 1 kit →](https://www.amazon.com/dp/B09LNKN24F?tag=sharpestai-20) as of 2026-11-06 18:28:19 UTC

 eBay **—** Not enough new listings yet; checked daily[Used & new memory (ram) on eBay →](https://sharpest.ai/ram)

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 4 listings, single kits first, then multipacks

 Amazon (4)

|  | Item | Size | Price | Per 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 kit | 1 kit | $696 | $696 | [Amazon →](https://www.amazon.com/dp/B09LNKN24F?tag=sharpestai-20) |
|  | 128GB 2X64GB DDR4 2666MHz PC4-21300 4Rx4 1.2V CL19 288-PIN ECC Registered RDIMM NEMIX RAM Server Memory KIT 1 kit | 1 kit | $826 | $826 | [Amazon →](https://www.amazon.com/dp/B0G6GG2JX1?tag=sharpestai-20) |
|  | A-Tech 128GB Kit (8x16GB) DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx8 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Wor… 1 kit | 1 kit | $878 | $878 | [Amazon →](https://www.amazon.com/dp/B0CCT1PDYL?tag=sharpestai-20) |
|  | OWC 128GB (8x16GB) DDR4 3200MHz ECC RDIMM 2Rx4 288-pin Memory RAM 1 kit | 1 kit | $1,109 | $1,109 | [Amazon →](https://www.amazon.com/dp/B0CC15BGCP?tag=sharpestai-20) |

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/GB](https://sharpest.ai/per-unit/ddr5-desktop-ram)[DDR4 laptop RAM (SODIMM) $3.75/GB](https://sharpest.ai/per-unit/ddr4-laptop-ram-sodimm)[DDR4 desktop RAM $3.12/GB](https://sharpest.ai/per-unit/ddr4-desktop-ram)[DDR5 server RAM (ECC RDIMM) $30.75/GB](https://sharpest.ai/per-unit/ddr5-server-ram-ecc-rdimm)[DDR5 laptop RAM (SODIMM) $10.31/GB](https://sharpest.ai/per-unit/ddr5-laptop-ram-sodimm)

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As of 2026-11-06. Canonical page: https://sharpest.ai/per-unit/ddr4-server-ram-ecc-rdimm/128gb