Samsung M321R8GA0BB0-CQK 64GB DDR5-4800
This 64GB DDR5 RDIMM module delivers 4800 MT/s with ECC and registered dual-rank architecture, ensuring data integrity for critical server workloads. Backed by a lifetime replacement warranty and simple installation, it provides a cost-effective path to maximize system performance. This module is best for IT administrators upgrading enterprise servers and workstations that demand reliable, high-capacity memory.
Capacity 64GB
Kit 1 x 64GB
Memory DDR5
Speed 4800 MT/s
CAS Latency CL40
Form Factor RDIMM
ECC Yes
64 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong capacity (90th percentile) 90th
- Strong feature (90th percentile) 90th
- Strong speed (68th percentile) 68th
Cons
- Below average affordability (3rd percentile)
- Below average latency (18th percentile)
- Below average social proof (32nd percentile)
The proof
Performance
Specifications
Full Specifications
Memory
| Type | DDR5 |
| Form Factor | RDIMM |
| Total Capacity | 65536 |
| Modules | 1 |
| Per Module | 65536 |
| Pins | 288 |
| Rank | 2Rx4 |
Performance
| Speed | 4800 |
| CAS Latency | 40 |
| Voltage | 1.1 |
Class
| ECC | Yes |
| Registered | Yes |
vs Competition
| Spec | Samsung M321R8GA0BB0-CQK | Kingston FURY Beast KF564C32BWEAK2-64 | G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG | Corsair VENGEANCE RGB CMH64GX5M2Y6400C32 | Crucial Pro Overclocking CP2K16G64C32U5B | KLEVV CRAS V RGB KD5KGUD80-60A300G-BLACK |
|---|---|---|---|---|---|---|
| Capacity | 64GB | 64GB | 64GB | 64GB | 32GB | 64GB |
| Kit | 1 x 64GB | 2 x 32GB | 2 x 32GB | 2 x 32GB | 2 x 16GB | 2 x 32GB |
| Memory Type | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 |
| Speed Mts | 4800 | 6400 | 6000 | 6400 | 6400 | 6000 |
| Cas Latency | CL40 | CL32 | CL26 | CL32 | CL32 | CL30 |
| Form Factor | RDIMM | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Ecc | true | false | false | false | false | false |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Feature | Latency | Capacity | Social Proof | Affordability |
|---|---|---|---|---|---|---|
| Samsung M321R8GA0BB0-CQK | 68 | 89.5 | 18 | 90 | 32.2 | 2.6 |
| Kingston FURY Beast KF564C32BWEAK2-64 Compare | 94.8 | 89.5 | 87.6 | 90 | 92.3 | 7.6 |
| G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG Compare | 87.5 | 89.5 | 99.1 | 90 | 74.2 | 3.4 |
| Corsair VENGEANCE RGB CMH64GX5M2Y6400C32 Compare | 94.8 | 89.5 | 87.6 | 90 | 97.8 | 6.8 |
| Crucial Pro Overclocking CP2K16G64C32U5B Compare | 94.8 | 74.8 | 87.6 | 71.2 | 85.6 | 28 |
| KLEVV CRAS V RGB KD5KGUD80-60A300G-BLACK Compare | 87.5 | 89.5 | 87.6 | 90 | 85.6 | 8.3 |
Price
Value & Pricing
We started tracking prices for this product on Jun 17, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
