OWC OWC2C6D41R808GB-C333-SF
This 8GB DDR4-2666 ECC SODIMM module provides a compliant, warranty-safe upgrade specifically for Synology systems requiring the D4ES03-8G specification. It is backed by a limited lifetime warranty and an advanced replacement program, ensuring minimal downtime for critical hardware. This memory is best for IT administrators maintaining Synology NAS units who need a guaranteed-compatible, error-correcting replacement to preserve data integrity.
Capacity 8GB
Kit 1 x 8GB
Memory DDR4
Speed 2666 MT/s
CAS Latency CL19
Form Factor SODIMM
ECC Yes
34 Overall Score
Price $75
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 |
| Rank | 1Rx8 |
Performance
| Speed | 2666 |
| CAS Latency | 19 |
| Voltage | 1.2 |
Class
| ECC | Yes |
| Registered | No |
Features
| RGB | No |
| Heat Spreader | No |
vs Competition
| Spec | OWC OWC2C6D41R808GB-C333-SF | Corsair Vengeance LPX CMK32GX4M2D3600C18 | Patriot Viper Elite 5 VEB516G6030W | G.Skill Ripjaws V F4-3200C16D-32GVK | Kingston Fury Beast KF560C36BBE2A-16 | Team Group T-FORCE VULCAN Z TLZGD432G3600HC18JDC01 |
|---|---|---|---|---|---|---|
| Capacity | 8GB | 32GB | 16GB | 32GB | 16GB | 32GB |
| Kit | 1 x 8GB | 2 x 16GB | 1 x 16GB | 2 x 16GB | 1 x 16GB | 2 x 16GB |
| Memory Type | DDR4 | DDR4 | DDR5 | DDR4 | DDR5 | DDR4 |
| Speed Mts | 2666 | 3600 | 6000 | 3200 | 6000 | 3600 |
| Cas Latency | CL19 | CL18 | CL30 | CL16 | CL36 | CL18 |
| Form Factor | SODIMM | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Ecc | true | false | true | false | false | false |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Feature | Latency | Capacity | Social Proof |
|---|---|---|---|---|---|
| OWC OWC2C6D41R808GB-C333-SF | 37.5 | 60.5 | 35.9 | 22.6 | 44.7 |
| Corsair Vengeance LPX CMK32GX4M2D3600C18 Compare | 63.2 | 72.9 | 87.5 | 70.9 | 98.2 |
| Patriot Viper Elite 5 VEB516G6030W Compare | 87.4 | 96.9 | 87.5 | 45.2 | 75.8 |
| G.Skill Ripjaws V F4-3200C16D-32GVK Compare | 53.5 | 72.9 | 87.5 | 70.9 | 93.4 |
| Kingston Fury Beast KF560C36BBE2A-16 Compare | 87.4 | 65.5 | 74.9 | 45.2 | 77.6 |
| Team Group T-FORCE VULCAN Z TLZGD432G3600HC18JDC01 Compare | 63.2 | 72.9 | 87.5 | 70.9 | 87.7 |
Price
Value & Pricing
From $75
Amazon 1 offer From $75
We started tracking prices for this product on Jun 14, 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.
