G.Skill
G.Skill Ripjaws SO-DIMM DDR5-4800 Spec and Price in the United Kingdom
DDR52x16GBSODIMM14.17 ns true latency
The Ripjaws line's 4800 MT/s laptop class runs CL34 (34-34-34-76) on the 32GB kit with CL40 (40-39-39-76) grades of other capacities, all at 1.1V per the documented listings — the JEDEC-baseline DDR5 SODIMM option for DDR5 laptop upgrades.
Tied 14th of 25 models in the Laptop RAM catalog on Speed — 3 models share this figure.
Current best price
Prices include VAT.
Captured periodically and may have changed.- 2x16GB
- 2x16GB CL40
- 1x32GB CL40
- 2x32GB CL40
March 21, 2026257 capturestoday · £810.02
Each point is one capture, not a list price. How we track prices
Specifications
- Capacity
- 2x16GB
- Memory type
- DDR5
- Speed
- 4800 MT/s
- CAS latency
- Form factor
- SODIMM
- Voltage
- 1.1 V
- Timings
- 34-34-34-76
- Modules
- 2
- RGB
- No
Capacities
| Configuration | Part number | Speed | CAS latency | Current best price |
|---|---|---|---|---|
| 2x16GB | F5-4800S3434A16GA2-RS | 4800 MT/s | 34 | £414.95 at Amazon.co.uk · captured 2026-09-15 |
| 2x16GB CL40 | F5-4800S4039A16GA2-RS | 4800 MT/s | 40 | — |
| 1x32GB CL40 | F5-4800S4039A32GX1-RS | 4800 MT/s | 40 | — |
| 2x32GB CL40 | F5-4800S4039A32GX2-RS | 4800 MT/s | 40 | £810.02 at Amazon.co.uk · captured 2026-09-15 |
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.