Home › DDR4 RAM › OFFTEK 4GB Replacement Memory RAM Upgrade for HP-Compaq EliteBook 840 G3 (DDR4-19200) Laptop Memory
OFFTEK 4GB Replacement Memory RAM Upgrade for HP-Compaq EliteBook 840 G3 (DDR4-19200) Laptop Memory
£36.79 £9.20/GB
10% cheaper per GB than the average 4GB DDR4 kit we track.
Laptop DDR4
Buy on Amazon.co.uk
Specification
| Capacity | 4GB |
| Generation | DDR4 |
| Speed | 2400MHz |
| Form factor | SO-DIMM |
| For | Laptop |
| Brand | OFFTEK |
| ASIN | B07G4JD7FK |
Price history
Typical price (median) 90-day £28.97 12-month £29.00 12-month low £17.75 All-time low £14.84 (2023-09-23)
Not really a deal Today’s price is 27% above this kit’s typical price for the past year, and it has been cheaper than this for 22% of that year (last on 13 Dec 2025). Why medians, not averages ›
30-day avg £28.9790-day avg £29.60180-day avg £33.26 (averages are pulled up by price spikes; the medians above are the better guide)
Cheaper per GB in the same spec
Same generation, capacity and form factor as this kit, ranked by £/GB. See all ›
| £/GB | Price | Capacity | Manufacturer | For | Type | Form Factor | ECC / Buffered | Description | |
|---|---|---|---|---|---|---|---|---|---|
 | £6.38best £/GB | £25.51 | 4GB | Karmatech | Laptop | DDR4 | SO-DIMM 3200MHz | Unbuffered | |
| £6.66 | £26.62 | 4GB | Karmatech | Laptop | DDR4 | SO-DIMM 3200MHz | Unbuffered | |
 | £7.50 | £30.00 | 4GB | GLOBAL MEMORY | Laptop | DDR4 | SO-DIMM 2133MHz | Unbuffered | |
 | £7.50 | £30.00 | 4GB | GLOBAL MEMORY | Laptop | DDR4 | SO-DIMM 2400MHz | Unbuffered | |
 | £7.50 | £30.00 | 4GB | GLOBAL MEMORY | Mac | DDR4 | SO-DIMM 2400MHz | Unbuffered | |
 | £7.50 | £30.00 | 4GB | GLOBAL MEMORY | Mac | DDR4 | SO-DIMM 2666MHz | Unbuffered |
About this kit
- Boost Your System’s Performance: Increase available memory for smoother multitasking, improved responsiveness and better performance when running memory-intensive applications.
- Matched Specifically to Your Machine: OFFTEK selects the correct memory configuration for the computer shown in this listing, removing the uncertainty from choosing a compatible upgrade.
- We Do the Technical Checking for You: There is no need to compare memory speeds, voltages, form factors or other technical details, as the upgrade has been matched to the machine’s supported requirements.
- Extend the Life of Your Computer: Increasing the available memory can help your existing machine remain productive for longer, offering a cost-effective alternative to replacing the complete system.
- Quick and Straightforward Upgrade: Memory is simple to install and requires no software installation; shut down and disconnect the machine before fitting and follow the manufacturer’s instructions.
- Tested for Dependable Performance: Every OFFTEK memory module is checked and tested at component and module level to support stable, reliable operation in everyday use.
- Matched Memory, Without the Guesswork: Receive the memory configuration selected on this listing, chosen specifically for the computer model shown to make upgrading simple and reassuring.
As an Amazon Associate we earn from qualifying purchases. Price and availability shown are as of the last update and may change on Amazon.