OWC Memory Upgrade 64GB DDR4-2133
This 64GB ECC unbuffered SODIMM kit provides a straightforward path to maximizing memory capacity in compatible servers and NAS systems with its 2133 MT/s speed and JEDEC-compliant design. The eight-module configuration and 1.2V low-power operation make it a practical, warranty-backed upgrade for systems requiring data integrity. It is best suited for IT administrators upgrading micro servers or network-attached storage where error correction is critical for 24/7 reliability.
Capacity 64GB
Kit 8 x 8GB
Memory DDR4
Speed 2133 MT/s
CAS Latency CL15
Form Factor SODIMM
ECC Yes
52 Overall Score
Price $594
Snapshot
Pros & Cons
Pros
- Strong capacity (90th percentile) 90th
- Strong feature (75th percentile) 75th
Cons
- Below average affordability (18th percentile)
- Below average speed (23rd percentile)
The proof
Performance
Specifications
Full Specifications
Memory
| Type | DDR4 |
| Form Factor | SODIMM |
| Total Capacity | 65536 |
| Modules | 8 |
| Per Module | 8192 |
| Pins | 260 |
| Rank | 1Rx8 |
Performance
| Speed | 2133 |
| CAS Latency | 15 |
| Timings | 15 |
| Voltage | 1.2 |
Class
| ECC | Yes |
| Registered | No |
Features
| RGB | No |
| Heat Spreader | No |
vs Competition
| Spec | OWC Memory Upgrade | 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 | 8 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 | 2133 | 6400 | 6000 | 6400 | 6400 | 6000 |
| Cas Latency | CL15 | CL32 | CL26 | CL32 | CL32 | CL30 |
| Form Factor | SODIMM | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Ecc | true | false | false | false | false | false |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Feature | Latency | Capacity | Affordability |
|---|---|---|---|---|---|
| OWC Memory Upgrade | 22.5 | 74.8 | 47.2 | 89.9 | 17.7 |
| Kingston FURY Beast KF564C32BWEAK2-64 Compare | 94.7 | 89.5 | 87.7 | 89.9 | 7.6 |
| G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG Compare | 87.4 | 89.5 | 99.1 | 89.9 | 3.3 |
| Corsair VENGEANCE RGB CMH64GX5M2Y6400C32 Compare | 94.7 | 89.5 | 87.7 | 89.9 | 6.8 |
| Crucial Pro Overclocking CP2K16G64C32U5B Compare | 94.7 | 74.8 | 87.7 | 70.9 | 28 |
| KLEVV CRAS V RGB KD5KGUD80-60A300G-BLACK Compare | 87.4 | 89.5 | 87.7 | 89.9 | 8.3 |
Price
Value & Pricing
From $594
Amazon 1 offer From $594
We started tracking prices for this product on Jun 21, 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.
