OWC - 16GB OWC Memory Upgrade Module - PC23400 DDR4 ECC-R 2933MHz RDIMM for Mac Pro 2019 models
Price not confirmed for 37 days. Amazon has not confirmed this price since 16 Sep 2026 (37 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.
56% cheaper per GB than the average 16GB DDR4 kit we track.
Specification
| Capacity | 16GB |
| Generation | DDR4 |
| Speed | 2933MHz |
| Form factor | DIMM |
| ECC | ECC |
| Buffered | Buffered |
| For | Mac |
| Brand | OWC |
| ASIN | B083B6NBQ7 |
Price history
Typical price (median) 90-day £200.49 12-month £129.49 12-month low £52.49 All-time low £45.98 (2024-01-21)
Genuine drop Today’s price is 51% below this kit’s typical price for the past year, and it has been cheaper than this for 14% of that year (last on 15 Sep 2026). Why medians, not averages ›
30-day avg £188.5090-day avg £196.49180-day avg £175.34 (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
- 16 GB PC23400 2933MHz DDR4 RDIMM 288-pin Registered ECC Memory modules
- 1 x 16 GB (16GB), DDR4 RDIMM, 2933MHz, PC23400, 288-pin, Registered, ECC, memory upgrade
- For all Mac Pro 2019 Models, Model ID: MacPro7, 1 (2.5GHz 28-Core, 2.7GHz 24-Core, 3.2GHz 16-Core, 3.3GHz 12-Core, 3.5GHz 8-Core)
- OWC Memory Lifetime Limited Warranty including Advanced Replacement Program
- IMPORTANT NOTE: Mac Pro can use either RDIMM or LRDIMM, but they cannot be combined. The system will not function with a mixed configuration.
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