# DDR5 server RAM (ECC RDIMM): cheapest per GB

 Amazon **$31.25 /GB** typical $41.18 · 18 listings [Buy on Amazon: $8,000 for 256 GB →](https://www.amazon.com/dp/B0GYCF38WJ?tag=sharpestai-20) as of 2026-11-05 15:02:29 UTC

 eBay **$30.75 /GB** typical $32.81 · 25 new listings [Buy on eBay: $984 for 32 GB →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C196332196238%7C0) as of 2026-11-05 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.

## Cheapest by capacity

| Capacity | Amazon, per kit | eBay, per kit |
|---|---|---|
| [16 GB](https://sharpest.ai/per-unit/ddr5-server-ram-ecc-rdimm/16gb) | [$552](https://www.amazon.com/dp/B0DMHJVLB8?tag=sharpestai-20) | [$525](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C117392866969%7C0) |
| [32 GB](https://sharpest.ai/per-unit/ddr5-server-ram-ecc-rdimm/32gb) | [$1,105](https://www.amazon.com/dp/B0DMGYHW95?tag=sharpestai-20) | [$984](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C196332196238%7C0) |
| [64 GB](https://sharpest.ai/per-unit/ddr5-server-ram-ecc-rdimm/64gb) | [$2,561](https://www.amazon.com/dp/B0CFG7THWM?tag=sharpestai-20) | [$2,000](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C128097211323%7C0) |
| [128 GB](https://sharpest.ai/per-unit/ddr5-server-ram-ecc-rdimm/128gb) | [$4,990](https://www.amazon.com/dp/B0D2LZKK41?tag=sharpestai-20) | — |
| [256 GB](https://sharpest.ai/per-unit/ddr5-server-ram-ecc-rdimm/256gb) | [$8,000](https://www.amazon.com/dp/B0GYCF38WJ?tag=sharpestai-20) | — |

Capacity is rounded to the nearest standard size. Per-kit price = listing price ÷ kits in the pack (eBay includes shipping).

## All 43 listings, cheapest per GB first

 Amazon (18) eBay (25)

|  | Item | Size | Price | Per GB |  |
|---|---|---|---|---|---|
|  | 32GB DDR5 ECC RDIMM 4800MHz RAM Compatible w/ Dell PowerEdge XE9680 Rack Server 32 GB | 32 GB | $984 | $30.75 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C196332196238%7C0) |
|  | 32GB DDR5 ECC RDIMM 4800MHz RAM Compatible for HPE ProLiant Compute XD230 Server 32 GB | 32 GB | $984 | $30.75 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C197578697679%7C0) |
|  | 32GB Supermicro Hyper A+ Server AS-1115HS-TNR Compatible DDR5-4800 ECC RDIMM RAM 32 GB | 32 GB | $984 | $30.75 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C204706493190%7C0) |
|  | 32GB Dell PowerEdge XE9640 Rack Server Compatible DDR5 4800MHz ECC RDIMM RAM 32 GB | 32 GB | $984 | $30.75 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C204729391896%7C0) |
|  | 32GB ECC RDIMM DDR5 4800MHz RAM Compatible for HPE SimpliVity DL325 Gen11 Server 32 GB | 32 GB | $984 | $30.75 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C205645513140%7C0) |
|  | 32GB ECC RDIMM DDR5 4800MHz RAM Compatible w/ Gigabyte R163-Z35 R284-SF0 Server 32 GB | 32 GB | $984 | $30.75 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C205649061320%7C0) |
|  | NEW SEALED 1x32GB A-Tech DDR5-5600 ECC RDIMM SERVER RAM Memory 32 GB | 32 GB | $1,000 | $31.25 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C117390502246%7C0) |
|  | NEW 64GB (2x32GB) XPG DDR5-6400 ECC RDIMM SERVER RAM (AX5R6400C3232G-DTAIRBK) 64 GB | 64 GB | $2,000 | $31.25 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C128097211323%7C0) |
|  | NEW SEALED 64GB 2x32GB Micron DDR5-4800 ECC RDIMM SERVER RAM MTC20F1045S1RC48BA2 64 GB | 64 GB | $2,000 | $31.25 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C128127995876%7C0) |
|  | V-Color DDR5 256GB (64GBx4) 5600MHz CL52 ECC R-DIMM (ECC Registered DIMM) 1.1V Memory Ram for Server and Workstations w… 256 GB | 256 GB | $8,000 | $31.25 | [Amazon →](https://www.amazon.com/dp/B0GYCF38WJ?tag=sharpestai-20) |
|  | SNPP8XPWC/32G AC888061 Dell Compatible 32GB DDR5 5600MHz ECC RDIMM Server RAM 32 GB | 32 GB | $1,014 | $31.69 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C204894136514%7C0) |
|  | NEW SEALED 1x16GB Kingston DDR5-4800 ECC RDIMM SERVER RAM (KTH-PL548S8-16G) 16 GB | 16 GB | $525 | $32.81 | [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) 16 GB | 16 GB | $525 | $32.81 | [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) 16 GB | 16 GB | $525 | $32.81 | [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 16 GB | 16 GB | $525 | $32.81 | [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 16 GB | 16 GB | $525 | $32.81 | [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 16 GB | 16 GB | $525 | $32.81 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C326785919777%7C0) |
|  | 32GB DDR5 ECC RDIMM 5600MHz Memory RAM Compatible for Cisco UCS X210c M8 Server 32 GB | 32 GB | $1,065 | $33.28 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C198142780192%7C0) |
|  | HPE P64705-K21 P64705-B21 Compatible 16GB DDR5-5600 ECC RDIMM Server RAM Memory 16 GB | 16 GB | $536 | $33.50 | [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 16 GB | 16 GB | $536 | $33.50 | [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 16 GB | 16 GB | $536 | $33.50 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C204883037810%7C0) |
|  | 16GB ECC RDIMM DDR5 5600MHz RAM Server Memory 1Rx8 Compatible 16 GB | 16 GB | $536 | $33.50 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C205341309591%7C0) |
|  | Samsung 64GB DDR5 4800MHz PC5-38400 ECC RDIMM 2Rx4 (EC8 10x4) 288-Pin Server RAM 64 GB | 64 GB | $2,199 | $34.36 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C820283911344%7C0) |
|  | NEW SEALED 1x16GB HP (SK Hynix) DDR5-5600 ECC RDIMM SERVER RAM Memory (760N2AA) 16 GB | 16 GB | $550 | $34.37 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C117309703025%7C0) |
|  | A-Tech 32GB Kit (2x16GB) DDR5 5600MHz PC5-44800 ECC RDIMM 1Rx8 (EC8 10x4) Single Rank 1.1V ECC Registered DIMM 288-Pin … 32 GB | 32 GB | $1,105 | $34.53 | [Amazon →](https://www.amazon.com/dp/B0DMGYHW95?tag=sharpestai-20) |
|  | A-Tech 16GB DDR5 5600MHz PC5-44800 ECC RDIMM 1Rx8 (EC8 10x4) Single Rank 1.1V ECC Registered DIMM 288-Pin Server RAM Me… 16 GB | 16 GB | $552 | $34.53 | [Amazon →](https://www.amazon.com/dp/B0DMHJVLB8?tag=sharpestai-20) |
|  | 16GB ECC RDIMM DDR5 6400MHz RAM Compatible w/ Lenovo ThinkSystem SR675 V3 Server 16 GB | 16 GB | $557 | $34.81 | [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 16 GB | 16 GB | $557 | $34.81 | [eBay →](https://sharpest.ai/go/unit/ddr5-server-ram-ecc-rdimm/v1%7C205718796003%7C0) |
|  | Samsung 128GB DDR5 4800MHz PC5-38400 ECC RDIMM 4Rx4 2S2Rx4 (EC8 10x4) Quad Rank 1.1V Registered DIMM 288-Pin Server RAM… 128 GB | 128 GB | $4,990 | $38.98 | [Amazon →](https://www.amazon.com/dp/B0D2LZKK41?tag=sharpestai-20) |
|  | NEMIX RAM 256GB (4X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT Compatibl… 256 GB | 256 GB | $10,186 | $39.79 | [Amazon →](https://www.amazon.com/dp/B0CQ65W9HR?tag=sharpestai-20) |
|  | NEMIX RAM 128GB (2X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT Compatibl… 128 GB | 128 GB | $5,097 | $39.82 | [Amazon →](https://www.amazon.com/dp/B0CMR222VN?tag=sharpestai-20) |
|  | Samsung 64GB DDR5 4800MHz PC5-38400 ECC RDIMM 2Rx4 (EC8 10x4) Dual Rank 1.1V Registered DIMM 288-Pin Server RAM Memory … 64 GB | 64 GB | $2,561 | $40.02 | [Amazon →](https://www.amazon.com/dp/B0CFG7THWM?tag=sharpestai-20) |
|  | Samsung 32GB DDR5 4800MHz PC5-38400 ECC RDIMM 2Rx8 Dual Rank 1.1V Registered DIMM 288-Pin Server RAM Memory M321R4GA3BB0-CQK 32 GB | 32 GB | $1,289 | $40.29 | [Amazon →](https://www.amazon.com/dp/B0CFG7LRXC?tag=sharpestai-20) |
|  | A-Tech 16GB DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx8 (EC8 10x4) Single Rank 1.1V ECC Registered DIMM 288-Pin Server RAM Me… 16 GB | 16 GB | $649 | $40.53 | [Amazon →](https://www.amazon.com/dp/B0CFT9QDWW?tag=sharpestai-20) |
|  | 128GB 8X16GB DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC Registered RDIMM KIT NEMIX RAM Server Memory Compatible … 128 GB | 128 GB | $5,355 | $41.84 | [Amazon →](https://www.amazon.com/dp/B0GSRRSXNR?tag=sharpestai-20) |
|  | NEMIX RAM 256GB (8X32GB) DDR5 4800MHz PC5-38400 2Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT 256 GB | 256 GB | $10,772 | $42.08 | [Amazon →](https://www.amazon.com/dp/B0CGBQGQN6?tag=sharpestai-20) |
|  | NEMIX RAM 64GB (2X32GB) DDR5 4800MHz PC5-38400 2Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT 64 GB | 64 GB | $2,714 | $42.41 | [Amazon →](https://www.amazon.com/dp/B0CGBLNPFD?tag=sharpestai-20) |
|  | A-Tech 32GB DDR5 4800MHz PC5-38400 ECC RDIMM 2Rx8 (EC8 10x4) Dual Rank 1.1V ECC Registered DIMM 288-Pin Server RAM Memo… 32 GB | 32 GB | $1,364 | $42.63 | [Amazon →](https://www.amazon.com/dp/B0CFT5H27L?tag=sharpestai-20) |
|  | Samsung 64GB DDR5 5600MHz PC5-44800 ECC RDIMM 2Rx4 (EC8 10x4) Dual Rank 1.1V Registered DIMM 288-Pin Server RAM Memory … 64 GB | 64 GB | $2,760 | $43.12 | [Amazon →](https://www.amazon.com/dp/B0D2LWZWFK?tag=sharpestai-20) |
|  | Samsung 16GB DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx8 Single Rank 1.1V Registered DIMM 288-Pin Server RAM Memory M321R2GA3… 16 GB | 16 GB | $699 | $43.69 | [Amazon →](https://www.amazon.com/dp/B0CFG8Z96C?tag=sharpestai-20) |
|  | NEMIX RAM 32GB (2X16GB) DDR5 5600MHz PC5-44800 1Rx8 1.1V CL46 288-PIN ECC RDIMM Registered Server Memory KIT 32 GB | 32 GB | $1,419 | $44.34 | [Amazon →](https://www.amazon.com/dp/B0G4BLYYN6?tag=sharpestai-20) |
|  | 256GB 8X32GB DDR5 5600MHZ PC5-44800 2Rx8 1.1V CL46 288-PIN ECC Registered RDIMM KIT NEMIX RAM Server Memory Compatible … 256 GB | 256 GB | $11,811 | $46.14 | [Amazon →](https://www.amazon.com/dp/B0GSRXNPGW?tag=sharpestai-20) |
|  | A-Tech 32GB DDR5 5600MHz PC5-44800 ECC RDIMM 2Rx8 (EC8 10x4) Dual Rank 1.1V ECC Registered DIMM 288-Pin Server RAM Memo… 32 GB | 32 GB | $1,747 | $54.60 | [Amazon →](https://www.amazon.com/dp/B0DYRB2XNW?tag=sharpestai-20) |

Amazon as of 2026-11-05 15:02:29 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 2026-11-05 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.

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## More memory (ram)

[DDR4 laptop RAM (SODIMM) $3.51/GB](https://sharpest.ai/per-unit/ddr4-laptop-ram-sodimm)[DDR5 laptop RAM (SODIMM) $10.81/GB](https://sharpest.ai/per-unit/ddr5-laptop-ram-sodimm)[DDR4 desktop RAM $3.12/GB](https://sharpest.ai/per-unit/ddr4-desktop-ram)[DDR4 server RAM (ECC RDIMM) $4.99/GB](https://sharpest.ai/per-unit/ddr4-server-ram-ecc-rdimm)[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/ddr5-server-ram-ecc-rdimm