OWC OWC4R8D52R4256S-B889-SF
Capacity 256GB
Kit 2 x 128GB
Memory DDR5
Speed 4800 MT/s
CAS Latency CL40
Form Factor RDIMM
ECC Yes
61 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong capacity (99th percentile) 99th
- Strong feature (97th percentile) 97th
- Strong speed (68th percentile) 68th
Cons
- Below average latency (17th percentile)
- Below average social proof (18th percentile)
The proof
Performance
Specifications
Full Specifications
Memory
| Type | DDR5 |
| Form Factor | RDIMM |
| Total Capacity | 262144 |
| Modules | 2 |
| Per Module | 131072 |
| Pins | 288 |
| Rank | 2Rx4 |
Performance
| Speed | 4800 |
| CAS Latency | 40 |
| Voltage | 1.1 |
Class
| ECC | Yes |
| Registered | Yes |
Features
| RGB | No |
| Heat Spreader | Yes |
vs Competition
| Spec | OWC OWC4R8D52R4256S-B889-SF | G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG | Corsair Vengeance CMK64GX5M2B6000Z30 | Kingston FURY Beast KF560C36BBEAK2-64 | ADATA Lancer AX5U6000C3032G-DCLARWH | Team Group T-Force Delta RGB FF3D564G6000HC38ADC01 |
|---|---|---|---|---|---|---|
| Capacity | 256GB | 64GB | 64GB | 64GB | 64GB | 64GB |
| Kit | 2 x 128GB | 2 x 32GB | 2 x 32GB | 2 x 32GB | 2 x 32GB | 2 x 32GB |
| Memory Type | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 |
| Speed Mts | 4800 | 6000 | 6000 | 6000 | 6000 | 6000 |
| Cas Latency | CL40 | CL26 | CL30 | CL30 | CL30 | CL38 |
| Form Factor | RDIMM | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Ecc | true | false | false | false | - | false |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Feature | Latency | Capacity | Social Proof |
|---|---|---|---|---|---|
| OWC OWC4R8D52R4256S-B889-SF | 67.7 | 97.2 | 17.1 | 98.6 | 17.8 |
| G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG Compare | 87.4 | 87 | 99.1 | 89.9 | 78.1 |
| Corsair Vengeance CMK64GX5M2B6000Z30 Compare | 87.4 | 72.9 | 87.5 | 89.9 | 93.4 |
| Kingston FURY Beast KF560C36BBEAK2-64 Compare | 87.4 | 87 | 87.5 | 89.9 | 78.8 |
| ADATA Lancer AX5U6000C3032G-DCLARWH Compare | 87.4 | 55.7 | 87.5 | 89.9 | 58.8 |
| Team Group T-Force Delta RGB FF3D564G6000HC38ADC01 Compare | 87.4 | 87 | 71.9 | 89.9 | 15.8 |
Price
Value & Pricing
We started tracking prices for this product on Jun 15, 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.
