NEMIX RAM MR21300-814K01-93 8GB DDR4-2666
This 8GB DDR4-2666 ECC RDIMM module delivers essential error correction for server stability, backed by a lifetime replacement warranty and direct manufacturer support. Its registered design ensures signal integrity in multi-slot configurations, making it a cost-effective way to boost legacy workstation or NAS performance. This module is best for IT administrators maintaining older enterprise servers who need reliable, single-rank memory for basic virtualization or file-serving tasks.
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong feature (87th percentile) 87th
Cons
- Below average capacity (23rd percentile)
The proof
Performance
Specifications
Full Specifications
Memory
| Type | DDR4 |
| Form Factor | RDIMM |
| Total Capacity | 8192 |
| Modules | 1 |
| Per Module | 8192 |
| Pins | 288 |
| Rank | 1Rx4 |
Performance
| Speed | 2666 |
| CAS Latency | 19 |
| Voltage | 1.2 |
Class
| ECC | Yes |
| Registered | Yes |
vs Competition
| Spec | NEMIX RAM MR21300-814K01-93 | 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 | 8GB | 64GB | 64GB | 64GB | 32GB | 64GB |
| Kit | 1 x 8GB | 2 x 32GB | 2 x 32GB | 2 x 32GB | 2 x 16GB | 2 x 32GB |
| Memory Type | DDR4 | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 |
| Speed Mts | 2666 | 6400 | 6000 | 6400 | 6400 | 6000 |
| Cas Latency | CL19 | 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 |
|---|---|---|---|---|---|
| NEMIX RAM MR21300-814K01-93 | 37.9 | 87.4 | 36.6 | 23.2 | 57.9 |
| Kingston FURY Beast KF564C32BWEAK2-64 Compare | 94.8 | 87.4 | 87.6 | 90 | 92.3 |
| G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG Compare | 87.5 | 87.4 | 99.1 | 90 | 74.2 |
| Corsair VENGEANCE RGB CMH64GX5M2Y6400C32 Compare | 94.8 | 87.4 | 87.6 | 90 | 97.8 |
| Crucial Pro Overclocking CP2K16G64C32U5B Compare | 94.8 | 73.3 | 87.6 | 71.2 | 85.6 |
| KLEVV CRAS V RGB KD5KGUD80-60A300G-BLACK Compare | 87.5 | 87.4 | 87.6 | 90 | 85.6 |
Price
Value & Pricing
We started tracking prices for this product on Jul 7, 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.