OWC Memory 128GB (4X 32GB) DDR4 CL17 PC4-19200 2400MHz SO-DIMM RAM
8% dearer per GB than the average 128GB DDR4 kit we track.
Specification
| Capacity | 128GB (4x32GB) |
| Generation | DDR4 |
| Speed | 2400MHz |
| Form factor | SO-DIMM |
| ECC | Non-ECC |
| Buffered | Unbuffered |
| For | Mac |
| Brand | OWC |
| ASIN | B07VZNHNYQ |
Price history
Typical price (median) 90-day £1,846.28 12-month £1,858.47 12-month low £1,345.98 All-time low £281.84 (2023-06-27)
Genuine drop Today’s price is 27% below this kit’s typical price for the past year, and it has been cheaper than this for 20% of that year (last on 16 Sep 2026). Why medians, not averages ›
30-day avg £2,166.6790-day avg £2,014.60180-day avg £1,920.46 (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 | |
|---|---|---|---|---|---|---|---|---|---|
 | £6.16best £/GB | £788.65 | 128GB (4x32GB) | NEMIX RAM | Mac | DDR4 | SO-DIMM 2666MHz | Non-ECCUnbuffered | |
 | £6.86 | £878.56 | 128GB (4x32GB) | A-Tech | Mac | DDR4 | SO-DIMM 2666MHz | Non-ECCUnbuffered | |
 | £10.18 | £1,302.43★▼ 46% | 128GB (4x32GB) | OWC | Mac | DDR4 | SO-DIMM 3200MHz | Non-ECCUnbuffered | |
 | £15.28 | £1,955.58 | 128GB (4x32GB) | OWC | Mac | DDR4 | SO-DIMM 3200MHz | ECCUnbuffered | |
 | £17.32 | £2,217.44 | 128GB (8x16GB) | OWC | Mac | DDR4 | SO-DIMM 3200MHz | ECCUnbuffered |
About this kit
- 128.0GB (4 x 32.0GB) 2400MHZ DDR4 SO-DIMM PC4-19200 260 Pin CL17 Memory Upgrade for Mid 2017 iMac 27" w/ Retina 5K models and PCs which utilize PC4-19200 SO-DIMM
- Memory Upgrade Kit For iMac 27" 2017 with Retina 5K display with processors: 27" i5 3.4GHz, 27" i5 3.5GHz, 27" i5 3.8GHz, 27" i7 4.2GHz
- Install in pairs (2 modules at a time) for the best performance, Compatible with 2017 iMac 5K which comes with 4 memory slots supporting up to 16GB per slot (supports 64GB total memory)
- Warranty Safe Upgrade
- OWC Memory * Limited * including the OWC * Advanced * Program
Technology: DDR4 SO-DIMM 260 Pin Density: 4 x 32GB (32768MB) RoHS: Yes Pin Count: 260-pin Op. Temp.: 0C to +85C Data Rate: DDR4-2400 Speed: PC4-19200 CL: 17 Voltage: 1.2V ECC: Non ECC Module Ranks: Dual Rank Low Noise 8-Layer PCB Meets and/or Exceeds Specifications RoHS Certified
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