# Cheapest 64 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 **$362 /kit** typical $399 · 5 listings [Buy on Amazon: $362 for 1 kit →](https://www.amazon.com/dp/B09LNJVRGZ?tag=sharpestai-20) as of 2026-11-05 22:03:56 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 5 listings, single kits first, then multipacks

 Amazon (5)

|  | Item | Size | Price | Per kit |  |
|---|---|---|---|---|---|
|  | A-Tech 64GB Kit (4x16GB) DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Work… 1 kit | 1 kit | $362 | $362 | [Amazon →](https://www.amazon.com/dp/B09LNJVRGZ?tag=sharpestai-20) |
|  | Timetec Hynix IC DDR4 Registered ECC 1.2V 288 Pin RDIMM Server Memory RAM Module Upgrade (DDR4 2666MHz, 64GB KIT(2x32GB) 2R4) 1 kit | 1 kit | $390 | $390 | [Amazon →](https://www.amazon.com/dp/B07T25HV18?tag=sharpestai-20) |
|  | Samsung 64GB DDR4 2666MHz PC4-21300 ECC RDIMM 4Rx4 2S2Rx4 1.2V ECC Registered DIMM Server RAM Memory - M393A8K40B22-CWD 1 kit | 1 kit | $399 | $399 | [Amazon →](https://www.amazon.com/dp/B0B86G8LQ6?tag=sharpestai-20) |
|  | A-Tech 64GB Kit (2x32GB) DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Work… 1 kit | 1 kit | $474 | $474 | [Amazon →](https://www.amazon.com/dp/B0BPN48JTW?tag=sharpestai-20) |
|  | OWC 64GB (4x16GB) DDR4 3200MHz ECC RDIMM 2Rx4 288-pin Memory RAM 1 kit | 1 kit | $554 | $554 | [Amazon →](https://www.amazon.com/dp/B0CC1667Y2?tag=sharpestai-20) |

Amazon as of 2026-11-05 22:03:56 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 laptop RAM (SODIMM) $10.81/GB](https://sharpest.ai/per-unit/ddr5-laptop-ram-sodimm)[DDR5 server RAM (ECC RDIMM) $30.75/GB](https://sharpest.ai/per-unit/ddr5-server-ram-ecc-rdimm)[DDR4 desktop RAM $3.12/GB](https://sharpest.ai/per-unit/ddr4-desktop-ram)[DDR4 laptop RAM (SODIMM) $3.51/GB](https://sharpest.ai/per-unit/ddr4-laptop-ram-sodimm)[DDR5 desktop RAM $8.12/GB](https://sharpest.ai/per-unit/ddr5-desktop-ram)

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As of 2026-11-05. Canonical page: https://sharpest.ai/per-unit/ddr4-server-ram-ecc-rdimm/64gb