Cheapest 16 GB DDR5 server RAM (ECC RDIMM)

All sizes of DDR5 server RAM (ECC RDIMM) →

Amazon $552/kittypical $649 · 3 listings Buy on Amazon: $552 for 1 kit →as of 2026-11-06 21:38:44 UTC
eBay $525/kittypical $536 · 13 new listings Buy on eBay: $525 for 1 kit →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

ItemSizePricePer kit
NEW SEALED 1x16GB Kingston DDR5-4800 ECC RDIMM SERVER RAM (KTH-PL548S8-16G) 1 kit1 kit$525$525 eBay →
NEW SEALED 1x16GB Kingston DDR5-4800 ECC RDIMM SERVER RAM (KTL-TS548S8-16G) 1 kit1 kit$525$525 eBay →
NEW SEALED 1x16GB Kingston DDR5-5600 ECC RDIMM SERVER RAM (KTL-TS556S8-16G) 1 kit1 kit$525$525 eBay →
MEM-DR516MB-ER48 16GB DDR5-4800MHz ECC RDIMM RAM Compatible with Hyper A+ Server 1 kit1 kit$525$525 eBay →
16GB ECC RDIMM 4800MHz DDR5 RAM Compatible w/ Dell PowerEdge C6615 MX760c Server 1 kit1 kit$525$525 eBay →
16GB ECC RDIMM 4800MHz DDR5 RAM Compatible for Dell PowerEdge R660 R760xs Server 1 kit1 kit$525$525 eBay →
HPE P64705-K21 P64705-B21 Compatible 16GB DDR5-5600 ECC RDIMM Server RAM Memory 1 kit1 kit$536$536 eBay →
16GB ECC RDIMM DDR5 5600MHz RAM Compatible for Supermicro Server SYS-521GU-TNXR 1 kit1 kit$536$536 eBay →
16GB DDR5-5600 ECC RDIMM RAM Compatible for Gigabyte G293-S4x G293-Z2x Server 1 kit1 kit$536$536 eBay →
16GB ECC RDIMM DDR5 5600MHz RAM Server Memory 1Rx8 Compatible 1 kit1 kit$536$536 eBay →
NEW SEALED 1x16GB HP (SK Hynix) DDR5-5600 ECC RDIMM SERVER RAM Memory (760N2AA) 1 kit1 kit$550$550 eBay →
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 kit1 kit$552$552 Amazon →
16GB ECC RDIMM DDR5 6400MHz RAM Compatible w/ Lenovo ThinkSystem SR675 V3 Server 1 kit1 kit$557$557 eBay →
16GB DDR5 ECC RDIMM 6400MHz 1Rx8 RAM Compatible for Asus RS720A-E13-RS12U Server 1 kit1 kit$557$557 eBay →
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 kit1 kit$649$649 Amazon →
Samsung 16GB DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx8 Single Rank 1.1V Registered DIMM 288-Pin Server RAM Memory M321R2GA3… 1 kit1 kit$699$699 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. 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)

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