New On sale 7%
Samsung PM9B1 256GB PCIe 4.0 x4 NVMe M.2 2280
Capacity 256GB
Form Factor M.2 2280
Interface PCIe 4.0 x4
40 Overall Score
Price $65
Snapshot
Pros & Cons
Pros
- Strong affordability (90th percentile) 90th
- Strong speed (67th percentile) 67th
Cons
- Below average feature (15th percentile)
- Below average capacity (18th percentile)
- Below average user sentiment (29th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
72/100Our AI sentiment read
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 |
Reliability
| Warranty (years) | 2 |
vs Competition
| Spec | Samsung PM9B1 | Crucial T500 | Western Digital Black SN850X | SK Hynix Platinum P41 | Kingston KC3000 SKC3000S/512G | SanDisk Optimus 5100 |
|---|---|---|---|---|---|---|
| Capacity | 256GB | 1TB | 1TB | 2TB | 512GB | 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 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Seq Read | - | 7,300 MB/s | 7,300 MB/s | 7,000 MB/s | 7,000 MB/s | 7,100 MB/s |
| Nand Type | - | TLC | TLC | TLC | TLC | QLC |
| Dram Cache | - | true | true | true | false | - |
| Endurance | - | 600 TBW | 600 TBW | 1200 TBW | 400 TBW | 1200 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | User Sentiment | Endurance | Social Proof | Affordability |
|---|---|---|---|---|---|---|---|---|
| Samsung PM9B1 | 67.3 | 61.4 | 14.6 | 17.5 | 28.9 | 35.8 | 56.3 | 89.5 |
| Crucial T500 Compare | 90.9 | 96.3 | 98.9 | 54.9 | 94.5 | 82.8 | 95.2 | 57.4 |
| Western Digital Black SN850X Compare | 85.3 | 92.9 | 89 | 54.9 | 0 | 88 | 95.2 | 50.1 |
| SK Hynix Platinum P41 Compare | 83.5 | 96.6 | 93.5 | 78.3 | 0 | 85.8 | 46.5 | 60.2 |
| Kingston KC3000 SKC3000S/512G Compare | 77.5 | 89 | 78.8 | 34.2 | 0 | 92.6 | 86.8 | 54.9 |
| SanDisk Optimus 5100 Compare | 86.5 | 95.2 | 14.6 | 54.9 | 0 | 95.2 | 86.8 | 53.7 |
Price
Value & Pricing
From $65
Amazon 1 offer From $65
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.
