NEMIX RAM 256GB
This 256GB DDR5 RDIMM module delivers 6400 MT/s throughput with ECC error correction, making it a direct drop-in upgrade for registered server platforms requiring high-capacity, reliable memory. Backed by a lifetime replacement warranty and simple installation, it provides a cost-effective path to maximizing performance in enterprise environments. This module is best for IT administrators scaling memory-intensive server applications like large-scale virtualization or in-memory databases.
Capacity 256GB
Kit 8 x 256GB
Memory DDR5
Speed 6400 MT/s
CAS Latency CL52
Form Factor RDIMM
ECC Yes
72 Overall Score
Price ¥2,398,309
Snapshot
Pros & Cons
Pros
- Strong capacity (99th percentile) 99th
- Strong feature (97th percentile) 97th
- Strong speed (95th percentile) 95th
Cons
- Below average latency (26th percentile)
The proof
Performance
Specifications
Full Specifications
Memory
| Type | DDR5 |
| Form Factor | RDIMM |
| Total Capacity | 262144 |
| Modules | 8 |
| Per Module | 262144 |
| Pins | 288 |
| Rank | 2Rx8 |
Performance
| Speed | 6400 |
| CAS Latency | 52 |
| Voltage | 1.1 |
Class
| ECC | Yes |
| Registered | Yes |
Features
| RGB | No |
| Heat Spreader | Yes |
vs Competition
| Spec | NEMIX RAM 256GB | G.Skill Flare X5 F5-6000J3644D64GX4-FX5 | Corsair VENGEANCE CMK192GX5M4B5200C38 | Micron MTC40F2047S1RC56BR | Kingston FURY Beast RGB KF552C40BWAK4-128 | A-Tech Enterprise Series 128GB Kit |
|---|---|---|---|---|---|---|
| Capacity | 256GB | 256GB | 192GB | 128GB | 128GB | 128GB |
| Kit | 8 x 256GB | 4 x 64GB | 4 x 48GB | 1 x 128GB | 4 x 32GB | 2 x 64GB |
| Memory Type | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 |
| Speed Mts | 6400 | 6000 | 5200 | 5600 | 5200 | 5600 |
| Cas Latency | CL52 | CL36 | CL38 | CL46 | CL40 | - |
| Form Factor | RDIMM | UDIMM | UDIMM | DIMM | UDIMM | DIMM |
| Ecc | true | false | false | true | false | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Feature | Latency | Capacity | Social Proof |
|---|---|---|---|---|---|
| NEMIX RAM 256GB | 94.7 | 97.2 | 25.6 | 98.6 | 41.9 |
| G.Skill Flare X5 F5-6000J3644D64GX4-FX5 Compare | 87.4 | 72.9 | 74.9 | 98.6 | 71.3 |
| Corsair VENGEANCE CMK192GX5M4B5200C38 Compare | 71.4 | 72.9 | 28.9 | 98.2 | 93.4 |
| Micron MTC40F2047S1RC56BR Compare | 77.5 | 87 | 22.3 | 97 | 0 |
| Kingston FURY Beast RGB KF552C40BWAK4-128 Compare | 71.4 | 87 | 27.5 | 97 | 0 |
| A-Tech Enterprise Series 128GB Kit Compare | 77.5 | 95.8 | 14.3 | 97 | 55.7 |
Price
Value & Pricing
From ¥2,398,309
Amazon 1 offer From ¥2,398,309
We started tracking prices for this product on Jun 14, 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.
