Samsung PM991 256GB PCIe 3.0 x4 NVMe M.2 2242
The 256GB PM991 uses a compact M.2 2242 form factor with PCIe 3.0 x4 NVMe, fitting tight spaces in slim laptops while delivering solid sequential speeds. Its budget score of 76.6/100 makes it a cost-effective upgrade for older systems, though portable performance is weak at 9.5/100. Best for users needing a small-capacity, low-cost boot drive in a laptop or mini PC with a 2242 slot.
Aperçu
Avantages et inconvénients
Points forts
- Strong affordability (85th percentile) 85th
- Strong social proof (77th percentile) 77th
Points faibles
- Below average endurance (15th percentile)
- Below average feature (15th percentile)
- Below average capacity (18th percentile)
Les preuves
Performances
Caractéristiques techniques
Fiche technique complète
Drive
| Capacity | 256 |
| Form Factor | M.2 2242 |
| Interface | PCIe 3.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 3 |
| External | No |
Face à la concurrence
| Spec | Samsung PM991 | Crucial T500 | Western Digital WD Blue SN5100 | SK Hynix Platinum P41 | Lexar NM790 | Kingston NV3 SNV3SM3/2T0 |
|---|---|---|---|---|---|---|
| Capacity | 256GB | 1TB | 1TB | 2TB | 1TB | 2TB |
| Form Factor | M.2 2242 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2230 |
| Interface | PCIe 3.0 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 | 7,100 MB/s | 7,000 MB/s | 7,400 MB/s | 6,000 MB/s |
| Nand Type | - | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | - | true | false | true | false | - |
| Endurance | - | 600 TBW | 600 TBW | 1200 TBW | 1000 TBW | 640 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Produit | Speed | Random | Feature | Capacity | Endurance | Preuve sociale | Affordability |
|---|---|---|---|---|---|---|---|
| Samsung PM991 | 52.2 | 61.7 | 14.7 | 17.8 | 14.7 | 77.4 | 85.1 |
| Crucial T500 Compare | 91.3 | 96.7 | 98.9 | 55.4 | 83 | 95.3 | 56.3 |
| Western Digital WD Blue SN5100 Compare | 87.1 | 95.6 | 79 | 55.4 | 88.1 | 95.3 | 54.3 |
| SK Hynix Platinum P41 Compare | 84.1 | 97 | 93.9 | 78.5 | 86 | 45.8 | 59.2 |
| Lexar NM790 Compare | 89.7 | 93.2 | 53.7 | 55.4 | 93.9 | 95.3 | 49.1 |
| Kingston NV3 SNV3SM3/2T0 Compare | 77.8 | 61.7 | 53.7 | 78.5 | 69.8 | 87.1 | 22.7 |
Prix
Rapport qualité-prix
Amazon 1 offre À partir de 63 $US
Nous suivons les prix de ce produit depuis le 8 nov. 2026. Le graphique apparaîtra dès que nous aurons plus de données.
Scores par usage
- Global34.2
- Budget73.2
- Jeux28.6
- Laptop36.2
- Console13.7
- Portable8.2
- Workstation29.5
Un test complet arrive bientôt. Les caractéristiques, scores, prix et graphiques ci-dessus sont toujours à jour.