OWC 250GB SSD SATA III
The 250GB M.2 SATA III drive hits 530 MB/s reads and 495 MB/s writes, with TLC NAND and hardware encryption for secure storage. Its 5-year warranty and DuraWrite endurance management make it a reliable drop-in upgrade for 2012 MacBook Air models. Best for owners of that specific MacBook Air generation seeking a straightforward, budget-friendly capacity boost.
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong affordability (92nd percentile) 92nd
- Strong feature (79th percentile) 79th
Cons
- Below average capacity (13th percentile)
- Below average random (22nd percentile)
- Below average speed (23rd percentile)
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 250 |
| Form Factor | M.2 |
| Interface | SATA III |
| Protocol | SATA |
| External | No |
Performance
| Sequential Read (MB/s) | 530 |
| Sequential Write (MB/s) | 495 |
Hardware
| NAND | TLC |
| DRAM Cache | No |
Reliability
| Warranty (years) | 5 |
Features
| Hardware Encryption | Yes |
vs Competition
| Spec | OWC 250GB SSD | Kingston FURY Renegade G5 SFYR2S/4T0 | Western Digital WD_BLACK WDS800T2XHE | Samsung 990 PRO | SanDisk WD_BLACK WDS400T1X0M | Lexar NM1090 PRO LNM109P004T-RNNNU |
|---|---|---|---|---|---|---|
| Capacity | 250GB | 4TB | 8TB | 2TB | 4TB | 4TB |
| Form Factor | M.2 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | SATA III | PCIe 5.0 | PCIe 4.0 | PCIe 4.0 x4 | PCIe 5.0 | PCIe 5.0 |
| Seq Read | 530 MB/s | 14,800 MB/s | 7,200 MB/s | 7,450 MB/s | 14,900 MB/s | 14,000 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | SLC |
| Dram Cache | false | true | true | true | true | true |
| Endurance | - | 4000 TBW | 4800 TBW | 1200 TBW | 4800 TBW | 2800 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance | Affordability |
|---|---|---|---|---|---|---|
| OWC 250GB SSD | 23.4 | 22.3 | 79 | 12.6 | 57.2 | 92.1 |
| Kingston FURY Renegade G5 SFYR2S/4T0 Compare | 99.5 | 99 | 91 | 92.5 | 93.5 | 6.4 |
| Western Digital WD_BLACK WDS800T2XHE Compare | 87.7 | 96.4 | 94 | 98.1 | 88.1 | 3.7 |
| Samsung 990 PRO Compare | 93.7 | 97.4 | 99 | 78.4 | 74.3 | 20.8 |
| SanDisk WD_BLACK WDS400T1X0M Compare | 99.7 | 99.6 | 99.7 | 92.5 | 94.3 | 8.4 |
| Lexar NM1090 PRO LNM109P004T-RNNNU Compare | 98.2 | 98.5 | 97.7 | 92.5 | 75.1 | 10 |
Price
Value & Pricing
We started tracking prices for this product on Nov 10, 2026. The chart appears once we have more data.
Usage Scores
- Overall37.6
- Budget78.8
- Gaming23.1
- Laptop39.5
- Console11.4
- Portable8.6
- Workstation34.1
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.