New
OWC 32GB (4x8GB) DDR3-1866 CL13 SODIMM (OWC1867DDR3S32S)
The 32GB DDR3 SODIMM kit runs at 1866 MT/s with CL11 timing and 1.35V voltage, delivering 14.9GB/s bandwidth in a 204-pin form factor for late 2015 iMac 27-inch Retina 5K models. Its low-noise 8-layer PCB and lifetime OWC warranty with advanced replacement program add reliability beyond standard specs. Best for owners of the iMac17,1 (3.2GHz i5, 3.3GHz i5, or 4.0GHz i7) needing a straightforward memory upgrade for heavier multitasking or photo editing.
Capacity 32GB
Kit 4 x 8GB
Memory DDR3
Speed 1866 MT/s
CAS Latency CL13
Form Factor SODIMM
43 Overall Score
Price $148
Snapshot
Pros & Cons
Pros
- Strong capacity (71st percentile) 71st
Cons
- Below average speed (19th percentile)
The proof
Performance
Specifications
Full Specifications
Memory
| Type | DDR3 |
| Form Factor | SODIMM |
| Total Capacity | 32768 |
| Modules | 4 |
| Per Module | 8192 |
| Pins | 204 |
Performance
| Speed | 1866 |
| CAS Latency | 13 |
| Voltage | 1.35 |
Class
| ECC | No |
| Registered | No |
Features
| Heat Spreader | No |
vs Competition
| Spec | OWC 32GB DDR3 SODIMM | Corsair Vengeance CMK32GX5M2B6400Z36 | Crucial Pro OC Gaming CP2K16G64C38U5B | Patriot Viper Venom PVV532G640C32K | G.Skill Trident Z Royal Series F4-4000C18D-32GTRS | Team Group Xtreem FFPD532G7200HC34ADC01 |
|---|---|---|---|---|---|---|
| Capacity | 32GB | 32GB | 32GB | 32GB | 32GB | 32GB |
| Kit | 4 x 8GB | 2 x 16GB | 2 x 16GB | 2 x 16GB | 2 x 16GB | 2 x 16GB |
| Memory Type | DDR3 | DDR5 | DDR5 | DDR5 | DDR4 | DDR5 |
| Speed Mts | 1866 | 6400 | 6400 | 6400 | 4000 | 7200 |
| Cas Latency | CL13 | CL36 | CL38 | CL32 | CL18 | CL34 |
| Form Factor | SODIMM | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Ecc | false | false | false | true | false | false |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Feature | Latency | Affordability |
|---|---|---|---|---|
| OWC 32GB DDR3 SODIMM | 19.3 | 45.1 | 48.9 | 55.7 |
| Corsair Vengeance CMK32GX5M2B6400Z36 Compare | 94.8 | 74.9 | 78 | 28.8 |
| Crucial Pro OC Gaming CP2K16G64C38U5B Compare | 94.8 | 74.9 | 76.5 | 30.1 |
| Patriot Viper Venom PVV532G640C32K Compare | 94.8 | 89.6 | 87.6 | 26.7 |
| G.Skill Trident Z Royal Series F4-4000C18D-32GTRS Compare | 64.9 | 89.6 | 98.1 | 32 |
| Team Group Xtreem FFPD532G7200HC34ADC01 Compare | 98.3 | 74.9 | 95.9 | 26.3 |
Price
Value & Pricing
From $148
Amazon 1 offer From $148
We started tracking prices for this product on Jun 11, 2026. The chart appears once we have more data.
Usage Scores
- Overall43.3
- Budget75.9
- Gaming36.4
- Laptop57.6
- Server26.9
- Workstation45
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
