Home › DDR4 RAM › 32GB RAM › OWC - 32GB OWC Memory Upgrade Kit - 4 x 8GB PC21300 DDR4 2666MHz SO-DIMMs for 27-inch iMac with Retina 5K (2019-2020) and compatible PCs
OWC - 32GB OWC Memory Upgrade Kit - 4 x 8GB PC21300 DDR4 2666MHz SO-DIMMs for 27-inch iMac with Retina 5K (2019-2020) and compatible PCs
£377.64 £11.80/GB
37% dearer per GB than the average 32GB DDR4 kit we track.
Mac DDR4 Unbuffered
Buy on Amazon.co.uk
Specification
| Capacity | 32GB (4x8GB) |
| Generation | DDR4 |
| Speed | 2666MHz |
| Form factor | SO-DIMM |
| Buffered | Unbuffered |
| For | Mac |
| Brand | OWC |
| ASIN | B07QC3QYT8 |
Price history
Typical price (median) 90-day £238.49 12-month £242.00 12-month low £99.49 All-time low £80.86 (2025-03-09)
Not really a deal Today’s price is 56% above this kit’s typical price for the past year, and it has been cheaper than this for 19% of that year (last on 26 Nov 2025). Why medians, not averages ›
30-day avg £238.4990-day avg £238.49180-day avg £240.50 (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 | |
|---|---|---|---|---|---|---|---|---|---|
 | £5.16best £/GB | £165.17▼ 7% | 32GB (2x16GB) | OLOy | Laptop | DDR4 | SO-DIMM 2400MHz | Unbuffered | |
 | £5.28 | £169.00 | 32GB | GLOBAL MEMORY | Laptop | DDR4 | SO-DIMM 3200MHz | Unbuffered | |
 | £5.31 | £170.00 | 32GB (2x16GB) | GLOBAL MEMORY | Laptop | DDR4 | SO-DIMM 2133MHz | Unbuffered | |
 | £5.31 | £170.00 | 32GB (2x16GB) | GLOBAL MEMORY | Mac | DDR4 | SO-DIMM 2400MHz | Unbuffered | |
 | £5.31 | £170.00 | 32GB (2x16GB) | GLOBAL MEMORY | Mac | DDR4 | SO-DIMM 2666MHz | Unbuffered | |
 | £5.31 | £170.00 | 32GB (2x16GB) | GLOBAL MEMORY | Mac | DDR4 | SO-DIMM 2666MHz | Unbuffered |
About this kit
- Memory Upgrade Compatible with 2019 iMac: iMac w/Retina 5K display (27-inch Early 2019) Model ID: iMac19,1 (3.0GHz i5, 3.1GHz i5, 3.7GHz i5, 3.6GHz i9)
- Memory Upgrade Compatible with 2020 iMac: iMac w/Retina 5K display (27 inch mid 2020) Model ID: iMac20,1 and iMac20,2 (3.1GHz i5, 3.3GHz i5, 3.8GHz i7, 3.6GHz i9)
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
As an Amazon Associate we earn from qualifying purchases. Price and availability shown are as of the last update and may change on Amazon.