Samsung 32GB DDR5 4800MHz PC5-38400 ECC RDIMM 2Rx8 Dual Rank 1.1V Registered DIMM 288-Pin Server RAM Memory M321R4GA3BB6-CQK

Name: Samsung 32GB DDR5 4800MHz PC5-38400 ECC RDIMM 2Rx8 Dual Rank 1.1V Registered DIMM 288-Pin Server RAM Memory M321R4GA3BB6-CQK
Brand: Unbranded
SKU: B0CFG7F72M

Status: Samsung 32GB DDR5 4800MHz PC5-38400 ECC RDIMM… (32GB DDR5 desktop DIMM kit): Unavailable on Amazon as of 2026-10-03 22:27 UTC. Closest in-stock match (same 32GB DDR5 desktop DIMM): V-Color Manta XFinity RGB DDR5 32GB, $495.99 on Amazon as of 2026-10-06 04:20 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $495.99 🛒 Search eBay for this model

Bottom line: The Samsung 32GB DDR5 4800MHz PC5-38400 ECC RDIMM 2Rx8 Dual Rank 1.1V is a specs-and-price decision rather than a crowd-consensus one in the memory (ram) category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Unavailable on Amazon as of 2026-10-03 22:27 UTC

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Currently unavailable on Amazon. Not the same product — 2 in-stock alternatives with matching specs:

Same 32GB DDR5 desktop DIMM: V-Color Manta XFinity RGB DDR5 32GB — $495.99 on Amazon as of 2026-10-06 04:20 UTC (price may vary).

View Current Price — $495.99

Same 32GB DDR5 desktop DIMM: Kingston FURY Beast RGB 32GB 6000MT/s DDR5 CL36… — $574.00 on Amazon as of 2026-10-06 22:17 UTC (price may vary).

View Current Price — $574.00

Original listing (currently unavailable) → Compare to similar memory (ram)

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-03

Mike Perry — Hardware researcher since 2014. For desktop and laptop memory upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ Samsung DDR5 Memory RAM | Part Number: M321R4GA3BB6-CQK

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Brand:SamsungPart Number:M321R4GA3BB6-CQKMemory Type:DDR5Memory Size:Single 32 GB ModuleForm Factor:DIMM ( 288 Pin )ECC Type:ECC-RDIMM ( Registered DIMM )Speed:4800 MHz ( PC5-38400 / PC5-4800 )Rank:2Rx8 - Dual Rank x8Voltage:1.1VCompatible for select DDR5 Servers and Workstations *Not Compatible for Desktop or Laptop computers*

SpecPicks Verdict

SpecPicks scored Samsung 32GB DDR5 4800MHz PC5-38400 ECC RDIMM 2Rx8 Dual Rank 1.1V… using a rating × review-volume × price-fit model applied to published specs and reviews across the memory (ram) category. Compare with similarly-priced alternatives in the memory (ram) category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for memory (ram) of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

Samsung DDR5 Memory RAM | Part Number: M321R4GA3BB6-CQK
Single 32 GB Module; DDR5 DIMM 288-Pin; Speeds up to 4800 MHz, PC5-38400 (PC5-4800B)
ECC Registered RDIMM; 2Rx8 (Dual Rank x8); JEDEC DDR5 standard 1.1V
Compatible for select DDR5 Servers and Workstations; *Not Compatible with Desktop or Laptop Computers*
Note: This memory is ECC Registered and cannot be mixed with different ECC types such as ECC Unbuffered, ECC Load Reduced, or Non-ECC Unbuffered; (Refer to your system's manual for memory seating and channel guidelines)
Expands your system's available memory resource improving performance, reducing bottlenecks, and increasing workload capacity

Full Specifications

Brand	Samsung
Voltage	1.1 Volts
RAM Size	32 GB
Model Name	M321R4GA3BB6-CQK
Form Factor	DIMM
Memory Speed	4800 MHz
Model Number	M321R4GA3BB6-CQK
Item Type Name	computer-internal-memory
Number of Pins	288
Mfr Part Number	M321R4GA3BB6-CQK
Memory Generation	DDR5
Compatible Devices	4th Gen AMD EPYC, 4th Gen Intel Xeon, Server
Data Transfer Rate	38400 Megabytes Per Second
Memory Form Factor	RDIMM
Additional Features	Ecc
Computer Memory Size	32 GB
Warranty Description	Limited Warranty
RAM Memory Technology	DDR5 ECC Registered
Column Address Strobe Latency	40
Samsung DDR5 Memory RAM \| Part Number	M321R4GA3BB6-CQK

Ready to buy?

Samsung 32GB DDR5 4800MHz PC5-38400 ECC RDIMM 2Rx8 Dual Rank 1.1V Registered DIMM 288-Pin Server RAM Memory M321R4GA3BB6-CQK is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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