OWC OWC8566DDR3S8GP
This dual-channel 8GB kit (2x4GB) of PC3-8500 DDR3 1066MHz memory directly targets the specific limitations of aging Macs, providing a straightforward path to improved multitasking. Its precise compatibility with over a dozen 2008–2010 MacBook, MacBook Pro, iMac, and Mac mini models eliminates guesswork for users upgrading obsolete 2GB or 4GB configurations. This kit is best for owners of these specific legacy Macs who need to extend their machine's usable life for basic productivity and web browsing without investing in a new computer.
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong latency (70th percentile) 70th
Cons
- Below average speed (5th percentile)
- Below average capacity (23rd percentile)
The proof
Performance
Specifications
Full Specifications
Memory
| Type | DDR3 |
| Form Factor | SODIMM |
| Total Capacity | 8192 |
| Modules | 2 |
| Per Module | 4096 |
| Pins | 260 |
Performance
| Speed | 1066 |
| CAS Latency | 7 |
| Voltage | 1.5 |
Class
| ECC | No |
| Registered | No |
Features
| RGB | No |
| Heat Spreader | No |
vs Competition
| Spec | OWC OWC8566DDR3S8GP | G.Skill Trident Z5 Neo RGB F5-6400J3039G16GX2-TZ5NR | Kingston Fury Renegade KF564C32RWAK2-32 | Corsair Vengeance RGB CMH32GX5M2B6000C28 | Crucial Pro Overclocking CP2K16G64C32U5B | ADATA Lancer Blade RGB AX5U6000C3016G-DTLABRBK |
|---|---|---|---|---|---|---|
| Capacity | 8GB | 32GB | 32GB | 32GB | 32GB | 32GB |
| Kit | 2 x 4GB | 2 x 16GB | 2 x 16GB | 2 x 16GB | 2 x 16GB | 2 x 16GB |
| Memory Type | DDR3 | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 |
| Speed Mts | 1066 | 6400 | 6400 | 6000 | 6400 | 6000 |
| Cas Latency | CL7 | CL30 | CL32 | CL28 | CL32 | CL30 |
| Form Factor | SODIMM | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Ecc | false | false | false | false | false | false |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Feature | Latency | Capacity |
|---|---|---|---|---|
| OWC OWC8566DDR3S8GP | 5 | 44.5 | 69.5 | 22.6 |
| G.Skill Trident Z5 Neo RGB F5-6400J3039G16GX2-TZ5NR Compare | 94.7 | 87.1 | 96.4 | 70.9 |
| Kingston Fury Renegade KF564C32RWAK2-32 Compare | 94.7 | 87.1 | 87.5 | 70.9 |
| Corsair Vengeance RGB CMH32GX5M2B6000C28 Compare | 87.4 | 87.1 | 97.2 | 70.9 |
| Crucial Pro Overclocking CP2K16G64C32U5B Compare | 94.7 | 73 | 87.5 | 70.9 |
| ADATA Lancer Blade RGB AX5U6000C3016G-DTLABRBK Compare | 87.4 | 87.1 | 87.5 | 70.9 |
Price
Value & Pricing
We started tracking prices for this product on Jul 19, 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.