# Cheapest 16 GB DDR5 server RAM (ECC RDIMM)

[All sizes of DDR5 server RAM (ECC RDIMM) →](https://sharpest.ai/per-unit/ddr5-server-ram-ecc-rdimm)

 Amazon **$552 /kit** typical $649 · 3 listings [Buy on Amazon: $552 for 1 kit →](https://www.amazon.com/dp/B0DMHJVLB8?tag=sharpestai-20) as of 2026-11-06 21:38:44 UTC

 eBay **$525 /kit** typical $536 · 13 new listings [Buy on eBay: $525 for 1 kit →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C117392866969%7C0) as of 2026-11-06 UTC

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 16 listings, single kits first, then multipacks

 Amazon (3) eBay (13)

|  | Item | Size | Price | Per kit |  |
|---|---|---|---|---|---|
|  | NEW SEALED 1x16GB Kingston DDR5-4800 ECC RDIMM SERVER RAM (KTH-PL548S8-16G) 1 kit | 1 kit | $525 | $525 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C117392866969%7C0) |
|  | NEW SEALED 1x16GB Kingston DDR5-4800 ECC RDIMM SERVER RAM (KTL-TS548S8-16G) 1 kit | 1 kit | $525 | $525 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C117443818492%7C0) |
|  | NEW SEALED 1x16GB Kingston DDR5-5600 ECC RDIMM SERVER RAM (KTL-TS556S8-16G) 1 kit | 1 kit | $525 | $525 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C128152465966%7C0) |
|  | MEM-DR516MB-ER48 16GB DDR5-4800MHz ECC RDIMM RAM Compatible with Hyper A+ Server 1 kit | 1 kit | $525 | $525 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C204733441389%7C0) |
|  | 16GB ECC RDIMM 4800MHz DDR5 RAM Compatible w/ Dell PowerEdge C6615 MX760c Server 1 kit | 1 kit | $525 | $525 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C205741965358%7C0) |
|  | 16GB ECC RDIMM 4800MHz DDR5 RAM Compatible for Dell PowerEdge R660 R760xs Server 1 kit | 1 kit | $525 | $525 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C326785919777%7C0) |
|  | HPE P64705-K21 P64705-B21 Compatible 16GB DDR5-5600 ECC RDIMM Server RAM Memory 1 kit | 1 kit | $536 | $536 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C204877393110%7C0) |
|  | 16GB ECC RDIMM DDR5 5600MHz RAM Compatible for Supermicro Server SYS-521GU-TNXR 1 kit | 1 kit | $536 | $536 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C204879533841%7C0) |
|  | 16GB DDR5-5600 ECC RDIMM RAM Compatible for Gigabyte G293-S4x G293-Z2x Server 1 kit | 1 kit | $536 | $536 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C204883037810%7C0) |
|  | 16GB ECC RDIMM DDR5 5600MHz RAM Server Memory 1Rx8 Compatible 1 kit | 1 kit | $536 | $536 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C205341309591%7C0) |
|  | NEW SEALED 1x16GB HP (SK Hynix) DDR5-5600 ECC RDIMM SERVER RAM Memory (760N2AA) 1 kit | 1 kit | $550 | $550 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C117309703025%7C0) |
|  | A-Tech 16GB DDR5 5600MHz PC5-44800 ECC RDIMM 1Rx8 (EC8 10x4) Single Rank 1.1V ECC Registered DIMM 288-Pin Server RAM Me… 1 kit | 1 kit | $552 | $552 | [Amazon →](https://www.amazon.com/dp/B0DMHJVLB8?tag=sharpestai-20) |
|  | 16GB ECC RDIMM DDR5 6400MHz RAM Compatible w/ Lenovo ThinkSystem SR675 V3 Server 1 kit | 1 kit | $557 | $557 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C197684176974%7C0) |
|  | 16GB DDR5 ECC RDIMM 6400MHz 1Rx8 RAM Compatible for Asus RS720A-E13-RS12U Server 1 kit | 1 kit | $557 | $557 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C205718796003%7C0) |
|  | A-Tech 16GB DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx8 (EC8 10x4) Single Rank 1.1V ECC Registered DIMM 288-Pin Server RAM Me… 1 kit | 1 kit | $649 | $649 | [Amazon →](https://www.amazon.com/dp/B0CFT9QDWW?tag=sharpestai-20) |
|  | Samsung 16GB DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx8 Single Rank 1.1V Registered DIMM 288-Pin Server RAM Memory M321R2GA3… 1 kit | 1 kit | $699 | $699 | [Amazon →](https://www.amazon.com/dp/B0CFG8Z96C?tag=sharpestai-20) |

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. eBay: new Buy It Now listings from US sellers as of 2026-11-06 UTC, item plus shipping.

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)

[DDR4 server RAM (ECC RDIMM) $4.99/GB](https://sharpest.ai/per-unit/ddr4-server-ram-ecc-rdimm)[DDR4 desktop RAM $3.12/GB](https://sharpest.ai/per-unit/ddr4-desktop-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)[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/ddr5-server-ram-ecc-rdimm/16gb