Kingston KF552C40BWAK4-128
Capacity 128GB
Kit 4 x 32GB
Memory DDR5
Speed 5200 MT/s
CAS Latency CL40
Form Factor UDIMM
68 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong capacity (97th percentile) 97th
- Strong feature (87th percentile) 87th
- Strong speed (71st percentile) 71st
Cons
- Below average latency (28th percentile)
The proof
Performance
Specifications
Full Specifications
Memory
| Type | DDR5 |
| Form Factor | UDIMM |
| Total Capacity | 131072 |
| Modules | 4 |
| Per Module | 32768 |
| Pins | 288 |
Performance
| Speed | 5200 |
| CAS Latency | 40 |
| Timings | 40-40-40 |
| Voltage | 1.25 |
Class
| ECC | No |
| Registered | No |
| OC Profile | Intel XMP 3.0 |
Features
| RGB | Yes |
| Heat Spreader | Yes |
vs Competition
| Spec | Kingston KF552C40BWAK4-128 | G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG | Corsair Vengeance CMK64GX5M2B6000Z30 | Patriot Viper Xtreme 5 S9145489 | ADATA Lancer Blade RGB AX5U6000C3016G-DTLABRBK | Team Group T-Force Delta RGB FF3D532G6400HC32ADC01 |
|---|---|---|---|---|---|---|
| Capacity | 128GB | 64GB | 64GB | 32GB | 32GB | 32GB |
| Kit | 4 x 32GB | 2 x 32GB | 2 x 32GB | 2 x 16GB | 2 x 16GB | 2 x 16GB |
| Memory Type | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 |
| Speed Mts | 5200 | 6000 | 6000 | 8200 | 6000 | 6400 |
| Cas Latency | CL40 | CL26 | CL30 | CL38 | CL30 | CL32 |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Ecc | false | false | false | true | false | false |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Feature | Latency | Capacity |
|---|---|---|---|---|
| Kingston KF552C40BWAK4-128 | 71.4 | 87 | 27.5 | 97 |
| G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG Compare | 87.4 | 87 | 99.1 | 89.9 |
| Corsair Vengeance CMK64GX5M2B6000Z30 Compare | 87.4 | 72.9 | 87.5 | 89.9 |
| Patriot Viper Xtreme 5 S9145489 Compare | 99.6 | 98.6 | 97.7 | 71 |
| ADATA Lancer Blade RGB AX5U6000C3016G-DTLABRBK Compare | 87.4 | 87 | 87.5 | 71 |
| Team Group T-Force Delta RGB FF3D532G6400HC32ADC01 Compare | 94.7 | 87 | 87.5 | 71 |
Price
Value & Pricing
We started tracking prices for this product on Oct 7, 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.
