Crucial MTC40F2047S1RC64BB1R 128GB DDR5-6400
Capacity 128GB
Kit 1 x 128GB
Memory DDR5
Speed 6400 MT/s
CAS Latency CL52
Form Factor RDIMM
ECC Yes
69 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong capacity (97th percentile) 97th
- Strong speed (95th percentile) 95th
- Strong feature (90th percentile) 90th
Cons
- Below average affordability (1st percentile)
- Below average social proof (15th percentile)
- Below average latency (26th percentile)
The proof
Performance
Specifications
Full Specifications
Memory
| Type | DDR5 |
| Form Factor | RDIMM |
| Total Capacity | 131072 |
| Modules | 1 |
| Per Module | 131072 |
| Pins | 288 |
| Rank | 2Rx4 |
Performance
| Speed | 6400 |
| CAS Latency | 52 |
Class
| ECC | Yes |
| Registered | Yes |
vs Competition
| Spec | Crucial MTC40F2047S1RC64BB1R | Kingston FURY Beast KF564C32BWEAK2-64 | G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG | Corsair Vengeance CMK64GX5M2B6000Z30 | KLEVV CRAS V RGB KD5KGUD80-60A300G-BLACK | Team Group T-CREATE EXPERT CTCWD532G6400HC32ADC01 |
|---|---|---|---|---|---|---|
| Capacity | 128GB | 64GB | 64GB | 64GB | 64GB | 32GB |
| Kit | 1 x 128GB | 2 x 32GB | 2 x 32GB | 2 x 32GB | 2 x 32GB | 2 x 16GB |
| Memory Type | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 |
| Speed Mts | 6400 | 6400 | 6000 | 6000 | 6000 | 6400 |
| Cas Latency | CL52 | CL32 | CL26 | CL30 | CL30 | CL32 |
| Form Factor | RDIMM | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Ecc | true | false | false | false | false | false |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Feature | Latency | Capacity | Social Proof | Affordability |
|---|---|---|---|---|---|---|
| Crucial MTC40F2047S1RC64BB1R | 94.8 | 89.5 | 26.4 | 97 | 15.1 | 1 |
| Kingston FURY Beast KF564C32BWEAK2-64 Compare | 94.8 | 89.5 | 87.6 | 90 | 92.3 | 7.4 |
| G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG Compare | 87.5 | 89.5 | 99.1 | 90 | 74.2 | 3.3 |
| Corsair Vengeance CMK64GX5M2B6000Z30 Compare | 87.5 | 74.8 | 87.6 | 90 | 92.3 | 6.9 |
| KLEVV CRAS V RGB KD5KGUD80-60A300G-BLACK Compare | 87.5 | 89.5 | 87.6 | 90 | 85.6 | 8.3 |
| Team Group T-CREATE EXPERT CTCWD532G6400HC32ADC01 Compare | 94.8 | 74.8 | 87.6 | 71.2 | 92.3 | 22.8 |
Price
Value & Pricing
We started tracking prices for this product on Nov 6, 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.
