Crucial RAM 16GB DDR4 2666MHz CL19 Memory for Mac CT16G4S266M Green
£103.75 £6.48/GB
28% cheaper per GB than the average 16GB DDR4 kit we track.
▼ 8% below 90-day median Mac DDR4
Buy on Amazon.co.uk
Specification
| Capacity | 16GB |
| Generation | DDR4 |
| Speed | 2666MHz |
| Form factor | DIMM |
| For | Mac |
| Brand | Crucial |
| ASIN | B07TKZKT42 |
Price history
Typical price (median) 90-day £113.18 12-month £115.83 12-month low £63.10 All-time low £26.98 (2023-09-23)
Modest Today’s price is 10% below this kit’s typical price for the past year, and it has been cheaper than this for 13% of that year (last on 1 Mar 2026). Why medians, not averages ›
30-day avg £119.8590-day avg £115.90180-day avg £119.54 (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 | |
|---|---|---|---|---|---|---|---|---|---|
 | £3.67best £/GB | £58.72▼ 23% | 16GB (2x8GB) | Glowster | Desktop | DDR4 | DIMM 3200MHz | - | |
 | £4.37 | £69.90▼ 5% | 16GB | Samsung | Server | DDR4 | DIMM 2666MHz | ECC | |
 | £5.31 | £85.00 | 16GB | GLOBAL MEMORY | Desktop | DDR4 | DIMM 2133MHz | - | |
 | £5.31 | £85.00 | 16GB | GLOBAL MEMORY | Desktop | DDR4 | DIMM 2400MHz | - | |
 | £5.31 | £85.00 | 16GB | GLOBAL MEMORY | Desktop | DDR4 | DIMM 2933MHz | - | |
 | £5.31 | £85.00 | 16GB | GLOBAL MEMORY | Desktop | DDR4 | DIMM 3200MHz | - |
About this kit
- Increases Mac system performance
- Improve responsiveness, run apps faster, and multitask with ease
- Compatible with the latest Mac DDR4 systems and easy to install
- Every single module extensively tested at the component and module level
- Compatible with (Retina 5K 2017 27" & Retina 5K 2019 27" iMac computers)
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