Nouveau En promo 22%

Samsung PM991 256GB PCIe 3.0 x4 NVMe M.2 2242

★★★★★ 4.6 (652)

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.

Capacity 256GB
Form Factor M.2 2242
Interface PCIe 3.0 x4
Samsung PM991 256GB PCIe 3.0 x4 NVMe M.2 2242 ssd
34 Score global
Aussi disponible dans:

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

Percentiles de performance

Speed 52.2
Random 61.7
Feature 14.7
Capacity 17.8
Endurance 14.7
Preuve sociale 77.4
Affordability 85.1

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 SpeedRandomFeatureCapacityEndurancePreuve socialeAffordability
Samsung PM991 52.261.714.717.814.777.485.1
Crucial T500 Compare 91.396.798.955.48395.356.3
Western Digital WD Blue SN5100 Compare 87.195.67955.488.195.354.3
SK Hynix Platinum P41 Compare 84.19793.978.58645.859.2
Lexar NM790 Compare 89.793.253.755.493.995.349.1
Kingston NV3 SNV3SM3/2T0 Compare 77.861.753.778.569.887.122.7

Prix

Rapport qualité-prix

À partir de 63 $US 1 offre chez 1 marchand
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

Global (34.2)Budget (73.2)Jeux (28.6)Laptop (36.2)Console (13.7)Portable (8.2)Workstation (29.5)
  • 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.

Autres configurations1

Produits similaires