Crucial CT2K64G56C46S5
This 128GB DDR5 SODIMM kit delivers up to 5600 MT/s with dual compatibility for Intel XMP 3.0 and AMD EXPO, effectively doubling bandwidth over DDR4 for demanding mobile workstations. Its dense 2x64GB configuration maximizes capacity in compact laptops while operating at an efficient 1.1V. This memory is best for data scientists and engineers running large in-memory simulations or multiple virtual machines on compatible Intel Core Ultra or AMD Ryzen 8000 series laptops.
Snapshot
Pros & Cons
Pros
- Strong social proof (98th percentile) 98th
- Strong capacity (97th percentile) 97th
- Strong speed (78th percentile) 78th
- Strong feature (73rd percentile) 73rd
Cons
- Below average user sentiment (22nd percentile)
- Below average latency (22nd 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.
- Q2 202683/100
Buyers report the 128GB kit works flawlessly in compatible laptops and mini PCs, with one warning about a counterfeit unit from Best Buy and concerns over rising prices.
- Works without issue in MS-A2 mini PCs and Asus SCAR laptops, including beyond official specs.
- One buyer received a fake kit from Best Buy and faced poor return support.
- Price has doubled since October, with buyers lamenting AI-driven cost increases.
- Brand may stop making consumer memory, raising availability concerns.
- Q2 202582/100
Buyers praise the 64GB capacity and Crucial's reputation, but warn about compatibility with high-density modules and note that dual-channel configurations may perform better.
- Large 64GB capacity is ideal for demanding tasks like video editing, 3D rendering, and large datasets.
- Compatibility concerns: some laptops fail to boot or POST with this high-density module; check compatibility first.
- Single stick limits performance; dual-channel kits are recommended for better speed in most workloads.
- Crucial is a reputable brand with a lifetime warranty, and installation is straightforward when compatible.
Based on 14 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Memory
| Type | DDR5 |
| Form Factor | SODIMM |
| Total Capacity | 131072 |
| Modules | 2 |
| Per Module | 65536 |
| Pins | 262 |
Performance
| Speed | 5600 |
| CAS Latency | 46 |
| Timings | 46-45-45 |
| Voltage | 1.1 |
Class
| ECC | No |
| Registered | No |
| OC Profile | Intel XMP 3.0, AMD EXPO |
Features
| RGB | No |
| Heat Spreader | Yes |
vs Competition
| Spec | Crucial CT2K64G56C46S5 | G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG | Kingston FURY Beast KF564C32BBEK2-64 | Corsair Vengeance CMK64GX5M2B6000Z30 | KLEVV CRAS V RGB KD5BGUA80-60A300J | Patriot Viper Venom PVVR564G600C30K |
|---|---|---|---|---|---|---|
| Capacity | 128GB | 64GB | 64GB | 64GB | 64GB | 64GB |
| Kit | 2 x 64GB | 2 x 32GB | 2 x 32GB | 2 x 32GB | 2 x 32GB | 2 x 32GB |
| Memory Type | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 |
| Speed Mts | 5600 | 6000 | 6400 | 6000 | 6000 | 6000 |
| Cas Latency | CL46 | CL26 | CL32 | CL30 | CL30 | CL30 |
| 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 |
|---|---|---|---|---|---|---|
| Crucial CT2K64G56C46S5 | 77.5 | 72.9 | 22.3 | 97 | 21.6 | 98.2 |
| G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG Compare | 87.4 | 87.1 | 99.1 | 89.9 | 89.8 | 78.1 |
| Kingston FURY Beast KF564C32BBEK2-64 Compare | 94.7 | 72.9 | 87.5 | 89.9 | 78.2 | 87.7 |
| Corsair Vengeance CMK64GX5M2B6000Z30 Compare | 87.4 | 72.9 | 87.5 | 89.9 | 78.2 | 93.4 |
| KLEVV CRAS V RGB KD5BGUA80-60A300J Compare | 87.4 | 87.1 | 87.5 | 89.9 | 97.2 | 87.7 |
| Patriot Viper Venom PVVR564G600C30K Compare | 87.4 | 72.9 | 87.5 | 89.9 | 0 | 77.2 |
Price
Value & Pricing
Amazon 1 offer From MX$55,547
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
