OWC OWC4R8D54R41TBK-B894-SF
Capacity 1024GB
Kit 8 x 128GB
Memory DDR5
Speed 4800 MT/s
CAS Latency CL40
Form Factor RDIMM
ECC Yes
66 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong capacity (100th percentile) 100th
- Strong feature (97th percentile) 97th
- Strong speed (68th percentile) 68th
Cons
- Below average latency (17th percentile)
The proof
Performance
Specifications
Full Specifications
Memory
| Type | DDR5 |
| Form Factor | RDIMM |
| Total Capacity | 1048576 |
| Modules | 8 |
| Per Module | 131072 |
| Pins | 288 |
| Rank | 4Rx4 |
Performance
| Speed | 4800 |
| CAS Latency | 40 |
| Timings | 40 |
| Voltage | 1.1 |
Class
| ECC | Yes |
| Registered | Yes |
Features
| RGB | No |
| Heat Spreader | Yes |
vs Competition
| Spec | OWC OWC4R8D54R41TBK-B894-SF | NEMIX RAM 512GB | A-Tech 2TB Kit |
|---|---|---|---|
| Capacity | 1024GB | 512GB | 2048GB |
| Kit | 8 x 128GB | 8 x 64GB | 16 x 128GB |
| Memory Type | DDR5 | DDR5 | DDR5 |
| Speed Mts | 4800 | 5600 | 4800 |
| Cas Latency | CL40 | CL46 | - |
| Form Factor | RDIMM | RDIMM | DIMM |
| Ecc | true | true | true |
| Compare | Compare |
| Product | Speed | Feature | Latency | Capacity | Social Proof |
|---|---|---|---|---|---|
| OWC OWC4R8D54R41TBK-B894-SF | 67.8 | 97.2 | 17.3 | 99.5 | 47.8 |
| NEMIX RAM 512GB Compare | 77.5 | 95.8 | 22.4 | 99.2 | 61.6 |
| A-Tech 2TB Kit Compare | 67.8 | 95.8 | 13.3 | 99.9 | 47.8 |
Price
Value & Pricing
We started tracking prices for this product on Jul 20, 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.
