Samsung 32GB DDR5 4800MHz PC5-38400 ECC RDIMM 2Rx8 Dual Rank 1.1V Registered DIMM 288-Pin Server RAM Memory M321R4GA3BB6-CQK
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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 classifies Samsung 32GB DDR5 4800MHz PC5-38400 ECC RDIMM 2Rx8 Dual Rank 1.1V Reg… as a solid pick with broad community endorsement in the memory & ram category, based on 4 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.2★ customer rating
- ✓ Samsung DDR5 Memory RAM | Part Number: M321R4GA3BB6-CQK
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
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 |
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 available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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