New Price drop 11%
Samsung PM9A1
Capacity 256GB
Form Factor M.2 2280
Interface PCIe 4.0 x4
Read Speed 6,400 MB/s
NAND TLC
54 Overall Score
Price $99
Snapshot
Pros & Cons
Pros
- Strong random (86th percentile) 86th
- Strong speed (73rd percentile) 73rd
Cons
- Below average capacity (17th percentile)
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 256 |
| Form Factor | M.2 2280 |
| Interface | PCIe 4.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 4 |
| External | No |
Performance
| Sequential Read (MB/s) | 6400 |
| Sequential Write (MB/s) | 2700 |
| Random Read (IOPS) | 500000 |
| Random Write (IOPS) | 600000 |
Hardware
| NAND | TLC |
Reliability
| Warranty (years) | 2 |
vs Competition
| Spec | Samsung PM9A1 | Crucial T500 | Western Digital WD_BLACK SN8100 | Kingston Fury Renegade SFYRSK/1000G | SK Hynix Platinum P41 | SanDisk Optimus GX PRO 850X 850X |
|---|---|---|---|---|---|---|
| Capacity | 256GB | 1TB | 1TB | 1TB | 2TB | 1TB |
| Form Factor | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Seq Read | 6,400 MB/s | 7,300 MB/s | 14,900 MB/s | 7,300 MB/s | 7,000 MB/s | 7,300 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | - | true | true | true | true | false |
| Endurance | - | 600 TBW | 2400 TBW | 1000 TBW | 1200 TBW | 600 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance | Social Proof |
|---|---|---|---|---|---|---|
| Samsung PM9A1 | 73 | 85.9 | 53.1 | 17.2 | 35.1 | 53.2 |
| Crucial T500 Compare | 90.2 | 95.9 | 98.9 | 54.6 | 83 | 96.6 |
| Western Digital WD_BLACK SN8100 Compare | 99.5 | 99 | 90.2 | 54.6 | 98.1 | 6.9 |
| Kingston Fury Renegade SFYRSK/1000G Compare | 81.5 | 93.2 | 93.6 | 54.6 | 93.7 | 96.6 |
| SK Hynix Platinum P41 Compare | 82 | 96.3 | 93.6 | 78.5 | 86 | 58.8 |
| SanDisk Optimus GX PRO 850X 850X Compare | 84.2 | 91.9 | 78.5 | 54.6 | 88 | 48.6 |
Price
Value & Pricing
From $99
Amazon 1 offer From $99
We started tracking prices for this product on Nov 8, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
