G.SKILL
G.Skill Trident Z5 RGB DDR5-6400 Spec and Price in the United Kingdom
DDR52x16GBUDIMM10.00 ns true latency
The Trident Z5 RGB line's 6400 MT/s class runs the 32GB kit at CL32 with 32-39-39-102 timings and 1.40V, per G.SKILL's overview page — the same latency as the 6000 CL30 kit at a higher clock. The black and silver colorways (RK/RS spellings) are the same SKU.
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
- 2x16GB CL30
August 3, 202690 capturestoday · £852.06
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
- 32-39-39-102
- Modules
- 2
- RGB
- Yes
Capacities
| Configuration | Part number | Speed | CAS latency | True latency | Current best price | Price per GB |
|---|---|---|---|---|---|---|
| 2x16GB | F5-6400J3239G16GA2-TZ5RS | 6400 MT/s | 32 | 10.00 ns | £500.47 at Amazon.co.uk · captured 2026-09-15 | £15.64/GB |
| 2x32GB | F5-6400J3239G32GX2-TZ5RS | 6400 MT/s | 32 | 10.00 ns | £884.06 at Amazon.co.uk · captured 2026-09-13 | £13.81/GB |
| 2x48GB | F5-6400J3239F48GX2-TZ5RW | 6400 MT/s | 32 | 10.00 ns | — | — |
| 2x16GB CL30 | F5-6400J3039G16GX2-TZ5RW | 6400 MT/s | 30 | 9.38 ns | — | — |
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.
What owners and reviewers say
Summarised from 1 source(s), reviewed September 13, 2026. A source is counted only where it names this model exactly. How we track prices
Commonly praised
- Excellent performance on AMD platforms with high capacity, available in white to match themed builds.
Commonly criticised
- Costs more than competing kits and needs higher voltage to hit its rated speed.
Sources behind this summary
Sources
Every spec above was pulled from one of these — a field a source didn't state was left off rather than estimated.