Kingston 2666MT/s
Operating at a standard 2666 MT/s with CL19 latency, this single 4GB DDR4 module provides a straightforward, low-cost upgrade path for basic desktop systems. Its unbuffered, non-ECC design and Intel XMP 2.0 support ensure simple plug-and-play compatibility with consumer motherboards. This module is best for users restoring aging office PCs or building budget machines strictly for web browsing and document editing.
Capacity 4GB
Kit 1 x 4GB
Memory DDR4
Speed 2666 MT/s
CAS Latency CL19
Form Factor DIMM
39 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong social proof (72nd percentile) 72nd
Cons
- Below average capacity (9th percentile)
The proof
Performance
Specifications
Full Specifications
Memory
| Type | DDR4 |
| Form Factor | DIMM |
| Total Capacity | 4096 |
| Modules | 1 |
| Per Module | 4096 |
| Pins | 288 |
Performance
| Speed | 2666 |
| CAS Latency | 19 |
| Voltage | 1.2 |
Class
| ECC | No |
| Registered | No |
| OC Profile | Intel XMP 2.0 |
Features
| RGB | No |
| Heat Spreader | No |
vs Competition
| Spec | Kingston 2666MT/s | G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG | Corsair VENGEANCE RGB CMH64GX5M2Y6400C32 | Crucial Pro Overclocking CP2K16G64C32U5B | KLEVV CRAS V RGB KD5BGUA80-60A300J | Patriot Viper Xtreme 5 S9145489 |
|---|---|---|---|---|---|---|
| Capacity | 4GB | 64GB | 64GB | 32GB | 64GB | 32GB |
| Kit | 1 x 4GB | 2 x 32GB | 2 x 32GB | 2 x 16GB | 2 x 32GB | 2 x 16GB |
| Memory Type | DDR4 | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 |
| Speed Mts | 2666 | 6000 | 6400 | 6400 | 6000 | 8200 |
| Cas Latency | CL19 | CL26 | CL32 | CL32 | CL30 | CL38 |
| Form Factor | DIMM | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Ecc | false | false | false | false | false | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Feature | Latency | Capacity | Social Proof |
|---|---|---|---|---|---|
| Kingston 2666MT/s | 37.5 | 55.7 | 35.9 | 8.9 | 71.6 |
| G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG Compare | 87.4 | 87 | 99.1 | 89.9 | 78.1 |
| Corsair VENGEANCE RGB CMH64GX5M2Y6400C32 Compare | 94.7 | 87 | 87.5 | 89.9 | 98.2 |
| Crucial Pro Overclocking CP2K16G64C32U5B Compare | 94.7 | 72.9 | 87.5 | 70.9 | 87.7 |
| KLEVV CRAS V RGB KD5BGUA80-60A300J Compare | 87.4 | 87 | 87.5 | 89.9 | 87.7 |
| Patriot Viper Xtreme 5 S9145489 Compare | 99.6 | 98.6 | 97.7 | 70.9 | 78 |
Price
Value & Pricing
We started tracking prices for this product on Jun 9, 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.
