G.Skill (F5-6400R3239G32GQ4-G5N)
The 128GB DDR5 R-DIMM kit runs at 6400 MT/s with CL32-39-39-102 timings at 1.40V, featuring ECC and AMD EXPO support for AMD WRX90 and TRX50 workstation platforms. It includes both JEDEC and EXPO profiles, plus on-die and side-band ECC and dedicated temperature sensors, making it a stable overclocking choice. Best for professionals building high-end AMD Threadripper 7000X workstations who need maximum memory capacity and reliability.
Capacity 128GB
Kit 4 x 32GB
Memory DDR5
Speed 6400 MT/s
CAS Latency CL32
Form Factor RDIMM
ECC Yes
83 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong feature (100th percentile) 100th
- Strong capacity (97th percentile) 97th
- Strong speed (95th percentile) 95th
- Strong latency (88th percentile) 88th
Cons
- Below average affordability (2nd percentile)
The proof
Performance
Specifications
Full Specifications
Memory
| Type | DDR5 |
| Form Factor | RDIMM |
| Total Capacity | 131072 |
| Modules | 4 |
| Per Module | 32768 |
| Pins | 288 |
Performance
| Speed | 6400 |
| CAS Latency | 32 |
| Timings | 32-39-39-102 |
| Voltage | 1.4 |
Class
| ECC | Yes |
| Registered | Yes |
| OC Profile | AMD EXPO |
Features
| RGB | No |
vs Competition
| Spec | G.Skill | Corsair Vengeance CMK64GX5M2B6000Z30 | Kingston FURY Beast KF560C30BWEAK2-64 | Team Group T-Create Master CTCMD564G6000HC32AQC01 | Patriot Viper Venom PVVR548G600C30K | Crucial CP2K64G56C46U5 |
|---|---|---|---|---|---|---|
| Capacity | 128GB | 64GB | 64GB | 64GB | 48GB | 128GB |
| Kit | 4 x 32GB | 2 x 32GB | 2 x 32GB | 4 x 16GB | 2 x 24GB | 2 x 64GB |
| Memory Type | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 |
| Speed Mts | 6400 | 6000 | 6000 | 6000 | 6000 | 5600 |
| Cas Latency | CL32 | CL30 | CL30 | CL32 | CL30 | CL46 |
| Form Factor | RDIMM | UDIMM | UDIMM | RDIMM | UDIMM | UDIMM |
| Ecc | true | false | false | true | false | false |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Feature | Latency | Capacity | Social Proof | Affordability |
|---|---|---|---|---|---|---|
| G.Skill | 94.7 | 99.9 | 87.6 | 97 | 51.6 | 1.6 |
| Corsair Vengeance CMK64GX5M2B6000Z30 Compare | 87.4 | 74.8 | 87.6 | 89.9 | 92.3 | 7 |
| Kingston FURY Beast KF560C30BWEAK2-64 Compare | 87.4 | 89.5 | 87.6 | 89.9 | 75 | 6.8 |
| Team Group T-Create Master CTCMD564G6000HC32AQC01 Compare | 87.4 | 99.3 | 80 | 89.9 | 57.9 | 2.4 |
| Patriot Viper Venom PVVR548G600C30K Compare | 87.4 | 74.8 | 87.6 | 84.5 | 0 | 12.8 |
| Crucial CP2K64G56C46U5 Compare | 77.4 | 74.8 | 23.1 | 97 | 92.3 | 3.6 |
Price
Value & Pricing
We started tracking prices for this product on Jul 18, 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.
