Price drop 5%
SK Hynix HMA851S6CJR6N-VK
Delivering reliable 2666 MT/s DDR4 performance at standard 1.2V, this single 4GB SODIMM module is a straightforward replacement for aging laptops. Its 1Rx16 configuration and non-ECC design make it a cost-effective, drop-in upgrade for basic systems. This memory is best for users reviving older office notebooks or thin clients that only need a minimal capacity boost for web browsing and document editing.
Capacity 4GB
Kit 1 x 4GB
Memory DDR4
Speed 2666 MT/s
CAS Latency CL19
Form Factor SODIMM
36 Overall Score
Price £36
Snapshot
Pros & Cons
Pros
Cons
- Below average capacity (9th percentile)
- Below average feature (18th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Owner sentiment has held steady over time
85/100Our AI sentiment read
Based on 4 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Memory
| Type | DDR4 |
| Form Factor | SODIMM |
| Total Capacity | 4096 |
| Modules | 1 |
| Per Module | 4096 |
| Pins | 260 |
| Rank | 1Rx16 |
Performance
| Speed | 2666 |
| CAS Latency | 19 |
| Voltage | 1.2 |
Class
| ECC | No |
| Registered | No |
Features
| RGB | No |
| Heat Spreader | No |
vs Competition
| Spec | SK Hynix HMA851S6CJR6N-VK | G.Skill Ripjaws V Series F4-3600C18D-16GVK | Patriot Viper Steel PVS416G320C6 | Kingston FURY Beast KF556C40BB-16 | DATOTEK DDR4 Extreme EA8GB4DU32WX2 | Timetec 32GB KIT |
|---|---|---|---|---|---|---|
| Capacity | 4GB | 16GB | 16GB | 16GB | 16GB | 32GB |
| Kit | 1 x 4GB | 2 x 8GB | 1 x 16GB | 1 x 16GB | 2 x 8GB | 2 x 16GB |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR5 | DDR4 | DDR4 |
| Speed Mts | 2666 | 3600 | 3200 | 5600 | 3200 | 3200 |
| Cas Latency | CL19 | CL18 | CL16 | CL40 | CL16 | CL22 |
| 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 | User Sentiment | Social Proof |
|---|---|---|---|---|---|---|
| SK Hynix HMA851S6CJR6N-VK | 37.5 | 17.9 | 35.9 | 8.9 | 61.7 | 60 |
| G.Skill Ripjaws V Series F4-3600C18D-16GVK Compare | 63.2 | 72.9 | 87.5 | 45.2 | 61.7 | 83.4 |
| Patriot Viper Steel PVS416G320C6 Compare | 53.5 | 60.5 | 87.5 | 45.2 | 46.8 | 98.2 |
| Kingston FURY Beast KF556C40BB-16 Compare | 77.4 | 60.5 | 31 | 45.2 | 0 | 87.7 |
| DATOTEK DDR4 Extreme EA8GB4DU32WX2 Compare | 53.5 | 72.9 | 87.5 | 45.2 | 0 | 79.1 |
| Timetec 32GB KIT Compare | 53.5 | 44.3 | 57.4 | 70.9 | 0 | 87.7 |
Price
Value & Pricing
From £36
Amazon 1 offer From £36
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
