Corsair
Corsair Vengeance RGB DDR5-6400 Spec and Price in the United Kingdom
DDR52x16GBUDIMM10.00 ns true latency
The RGB-trimmed Vengeance DDR5-6400 kit matches the non-RGB line's numbers — CL32, 32-40-40-84, 1.4V — and adds the ten-zone lighting, per Corsair's product page. Built for AMD and Intel DDR5 platforms with XMP/EXPO profiles.
Tied 19th of 139 models in the RAM catalog on Speed — 19 models share this figure.
Current best price
Prices include VAT.
Captured periodically and may have changed.- 2x16GB
- 2x32GB
- 2x32GB CL42
- 2x48GB
March 19, 2026323 capturestoday · £1,785.66
Each point is one capture, not a list price. How we track prices
Specifications
- Capacity
- 2x16GB
- True latency
- 10.00 ns
- Memory type
- DDR5
- Speed
- 6400 MT/s
- CAS latency
- Form factor
- UDIMM
- Voltage
- 1.4 V
- Timings
- 32-40-40-84
- Modules
- 2
- RGB
- Yes
Capacities
| Configuration | Part number | Speed | CAS latency | True latency | Current best price | Price per GB |
|---|---|---|---|---|---|---|
| 2x16GB | CMH32GX5M2B6400Z32 | 6400 MT/s | 32 | 10.00 ns | £509.48 at Amazon.co.uk · captured 2026-09-15 | £15.92/GB |
| 2x32GB | CMH64GX5M2B6400C32 | 6400 MT/s | 32 | 10.00 ns | £995.90 at Amazon.co.uk · captured 2026-09-09 | £15.56/GB |
| 2x32GB CL42 | CMH64GX5M2B6400C42 | 6400 MT/s | 42 | 13.13 ns | — | — |
| 2x48GB | CMH96GX5M2B6400C32 | — | — | — | £1,781.15 at Amazon.co.uk · captured 2026-09-15 | £18.55/GB |
Guides for this category
How much RAM you actually needHow to size memory from the pressure your machine is under now, why running short quietly costs speed, and when a matched pair beats one stick.RAM speed and latency, and when they matterWhat a kit's MT/s and CAS latency each measure, why true latency is the two together, and the machines where the numbers actually change anything.SO-DIMM vs DIMM: the memory a laptop takesWhy laptop memory is a different module from desktop memory, how DDR4 and DDR5 are keyed apart, and why some machines take no module at all.What is ECC memory, and when you need itWhat error-correcting memory actually catches, how registered and load-reduced modules differ from unbuffered ones, and why the platform decides.
Sources
Every spec above was pulled from one of these — a field a source didn't state was left off rather than estimated.