Crucial RAM 8GB DDR4 2666MHz CL19 Memory for Mac CT8G4S266M
Price not confirmed for 9 days. Amazon has not confirmed this price since 26 Oct 2026 (9 days ago), so check the current price on Amazon. Amazon stopped returning this item through its price feed, so we cannot check it automatically; the £/GB figure and the history below are from the last price we saw.
Specification
| Capacity | 8GB |
| Generation | DDR4 |
| Speed | 2666MHz |
| Form factor | SO-DIMM |
| ECC | Non-ECC |
| Buffered | Unbuffered |
| For | Mac |
| Brand | Crucial |
| ASIN | B07TR767SB |
Price history
Typical price (median) 90-day £87.95 12-month £79.99 12-month low £44.75 All-time low £9.22 (2024-10-10)
12-month low Today’s price is 100% below this kit’s typical price for the past year, and it has been cheaper than this for 20% of that year (last on 14 Nov 2025). Why medians, not averages ›
30-day avg £77.2690-day avg £87.03180-day avg £109.95 (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 | |
|---|---|---|---|---|---|---|---|---|---|
 | £5.00best £/GB | £39.99 | 8GB | Origin | Laptop | DDR4 | SO-DIMM 2666MHz | Non-ECCUnbuffered | |
 | £5.62 | £44.99 | 8GB | SK Hynix | Laptop | DDR4 | SO-DIMM 2666MHz | Unbuffered | |
 | £6.00 | £48.00 | 8GB | GLOBAL MEMORY | Laptop | DDR4 | SO-DIMM 2133MHz | Unbuffered | |
 | £6.00 | £48.00 | 8GB | GLOBAL MEMORY | Laptop | DDR4 | SO-DIMM 2400MHz | Unbuffered | |
| £6.00 | £48.00 | 8GB | GLOBAL MEMORY | Mac | DDR4 | SO-DIMM 2400MHz | Unbuffered | |
 | £6.00 | £48.00 | 8GB | GLOBAL MEMORY | Laptop | DDR4 | SO-DIMM 2666MHz | Unbuffered |
About this kit
- Improve your system's responsiveness, run apps faster and multitask with ease
- Install with ease; no computer skills required. How-to guides available at Crucial
- Compatibility assurance when using the Crucial System Scanner or Crucial Advisor Tool
- Micron quality and reliability is backed by superior component and module level testing and 42 years of memory expertise
- ECC Type = Non-ECC, Form Factor = SODIMM, Pin Count = 260-pin, PC Speed = PC4-21300, Voltage = 1.2 V, Rank and Configuration = 1R x 8
As an Amazon Associate we earn from qualifying purchases. Price and availability shown are as of the last update and may change on Amazon.