Home › DDR4 RAM › 64GB RAM › Timetec 64GB KIT(4x16GB) Compatible for Apple DDR4 2666MHz for Mid 2020 iMac (20,1/20,2) / Mid 2019 iMac (19,1) 27-inch w/Retina 5K Display PC4-21333 / PC4-21300 CL19 SODIMM Memory MAC RAM Upgrade
Timetec 64GB KIT(4x16GB) Compatible for Apple DDR4 2666MHz for Mid 2020 iMac (20,1/20,2) / Mid 2019 iMac (19,1) 27-inch w/Retina 5K Display PC4-21333 / PC4-21300 CL19 SODIMM Memory MAC RAM Upgrade
£358.05 £5.59/GB
46% cheaper per GB than the average 64GB DDR4 kit we track.
Mac DDR4 Non-ECC Unbuffered
Buy on Amazon.co.uk
Specification
| Capacity | 64GB (4x16GB) |
| Generation | DDR4 |
| Speed | 2666MHz |
| Form factor | SO-DIMM |
| ECC | Non-ECC |
| Buffered | Unbuffered |
| For | Mac |
| Brand | Timetec |
| ASIN | B07RTHKVDZ |
Price history
Typical price (median) 90-day £363.33 12-month £329.49 12-month low £111.92 All-time low £111.92 (2025-09-22)
Not really a deal Today’s price is 9% above this kit’s typical price for the past year, and it has been cheaper than this for 65% of that year (last on 25 Jan 2026). Why medians, not averages ›
30-day avg £359.2090-day avg £362.80180-day avg £362.80 (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 | |
|---|---|---|---|---|---|---|---|---|---|
 | £5.31best £/GB | £340.00 | 64GB (4x16GB) | GLOBAL MEMORY | Mac | DDR4 | SO-DIMM 2400MHz | Unbuffered | |
 | £5.39 | £345.23 | 64GB (4x16GB) | A-Tech | Mac | DDR4 | SO-DIMM 2400MHz | ECCUnbuffered | |
 | £5.68 | £363.37 | 64GB (4x16GB) | A-Tech | Mac | DDR4 | SO-DIMM 2666MHz | Non-ECCUnbuffered | |
 | £5.98 | £382.55▼ 51% | 64GB (2x32GB) | Timetec | Laptop | DDR4 | SO-DIMM 3200MHz | Non-ECCUnbuffered | |
 | £6.07 | £388.71 | 64GB (2x32GB) | PNY | Laptop | DDR4 | SO-DIMM 3200MHz | Non-ECCUnbuffered | |
 | £6.97 | £445.90 | 64GB (2x32GB) | A-Tech | Mac | DDR4 | SO-DIMM 2666MHz | Non-ECCUnbuffered |
About this kit
- Compatible For Mid 2020 iMac w/ Retina 5K Display model ID: iMac 20,1 (i5 3.1GHz, i5 3.3GHz, i7 3.8GHz, i9 3.6GHz)
- Compatible For Mid 2020 iMac w/ Retina 5K Display & AMD 5700 XT Video Card model ID: iMac 20,2 (i7 3.8GHz, i9 3.6GHz)
- Compatible For Early 2019 iMac w/ Retina 5K Display model ID: iMac 19,1 (i5 3.0GHz, i5 3.1GHz, i5 3.7GHz, i9 3.6GHz)
- DDR4 2666MHz PC4-21300/ PC4-21333 Unbuffered NonParity Non-ECC 260 Pin 1.2V CL19 Dual Rank 2Rx8 based 1024x8 Module Size: 64GB Package: 4x16GB
- Wait 30 seconds for your iMac to recognize the new memory; Guaranteed – Lifetime warranty from Purchase Date Free technical support
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