OWC 2666DDR4S08G
This single 8GB DDR4-2666 SO-DIMM module provides a straightforward path to upgrading 2019 iMacs and 2018 Mac Minis with its PC4-21300 speed and standard 1.2V operation. It includes a heat spreader for reliable thermal performance and is backed by OWC's top-rated customer service and lifetime warranty. This memory is best for users seeking a simple, guaranteed-compatible RAM upgrade for specific aging Mac desktop models to improve basic multitasking.
Capacity 8GB
Kit 1 x 8GB
Memory DDR4
Speed 2666 MT/s
CAS Latency CL19
Form Factor SODIMM
36 Overall Score
Price CA$137
Snapshot
Pros & Cons
Pros
Cons
- Below average capacity (23rd percentile)
The proof
Performance
Specifications
Full Specifications
Memory
| Type | DDR4 |
| Form Factor | SODIMM |
| Total Capacity | 8192 |
| Modules | 1 |
| Per Module | 8192 |
| Pins | 260 |
Performance
| Speed | 2666 |
| CAS Latency | 19 |
| Voltage | 1.2 |
Class
| ECC | No |
| Registered | No |
Features
| RGB | No |
| Heat Spreader | Yes |
vs Competition
| Spec | OWC 2666DDR4S08G | Corsair Vengeance CMK32GX5M2B6400Z36 | Patriot Viper Venom PVV532G640C32K | Team Group T-FORCE DELTA RGB FF3D532G6000HC30DC01 | G.Skill TridentZ RGB Series F4-3600C16D-32GTZRC | Kingston Fury Beast KF432C16BB1K2/32 |
|---|---|---|---|---|---|---|
| Capacity | 8GB | 32GB | 32GB | 32GB | 32GB | 32GB |
| Kit | 1 x 8GB | 2 x 16GB | 2 x 16GB | 2 x 16GB | 2 x 16GB | 2 x 16GB |
| Memory Type | DDR4 | DDR5 | DDR5 | DDR5 | DDR4 | DDR4 |
| Speed Mts | 2666 | 6400 | 6400 | 6000 | 3600 | 3200 |
| Cas Latency | CL19 | CL36 | CL32 | CL30 | CL16 | CL16 |
| Form Factor | SODIMM | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Ecc | false | false | true | false | false | false |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Feature | Latency | Capacity | Social Proof |
|---|---|---|---|---|---|
| OWC 2666DDR4S08G | 37.4 | 36.4 | 35.9 | 22.5 | 44.7 |
| Corsair Vengeance CMK32GX5M2B6400Z36 Compare | 94.7 | 72.9 | 78 | 71 | 87.7 |
| Patriot Viper Venom PVV532G640C32K Compare | 94.7 | 99.4 | 87.5 | 71 | 77.2 |
| Team Group T-FORCE DELTA RGB FF3D532G6000HC30DC01 Compare | 87.4 | 87 | 87.5 | 71 | 87.7 |
| G.Skill TridentZ RGB Series F4-3600C16D-32GTZRC Compare | 63.3 | 87 | 98.6 | 71 | 83.4 |
| Kingston Fury Beast KF432C16BB1K2/32 Compare | 53.5 | 72.9 | 87.5 | 71 | 93.4 |
Price
Value & Pricing
From CA$137
Amazon 1 offer From CA$137
We started tracking prices for this product on Nov 5, 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.
