Samsung PM991 512GB PCIe 4.0 x4 NVMe M.2 2242

Samsung PM991 512GB PCIe 4.0 x4 NVMe M.2 2242

Samsung
49 総合スコア
vs
Western Digital WD_BLACK SN8100 4TB PCIe 5.0 x4 NVMe M.2 2280

Western Digital WD_BLACK SN8100 4TB PCIe 5.0 x4 NVMe M.2 2280

Western Digital
92 総合スコア

スコア

Workstation
Samsung
44
Western Digital
94
Gaming
Samsung
40
Western Digital
93
Console
Samsung
38
Western Digital
92
Laptop
Samsung
53
Western Digital
78
Budget
Samsung
74
Western Digital
73
Portable
Samsung
13
Western Digital
24

スペック

Samsung PM991Western Digital WD_BLACK SN8100
Drive
Capacity
512
4,000
Form FactorM.2 2242M.2 2280
InterfacePCIe 4.0 x4PCIe 5.0 x4
ProtocolNVMeNVMe
PCIe Generation45★
External✗✗
Performance
Sequential Read (MB/s)データなし
14,900
Sequential Write (MB/s)データなし
14,000
Random Read (IOPS)データなし
2,300,000
Random Write (IOPS)データなし
2,400,000
Hardware
NANDTLCTLC
DRAM Cache—✓★
Reliability
Endurance (TBW)データなし
2,400
MTBF (hours)データなし
1,750,000
Warranty (years)—3★
Features
Heatsink—✓★
Hardware Encryption—✓★

長所と短所

Samsung PM991 512GB PCIe 4.0 x4 NVMe M.2 2242

  • Strong speed (68th percentile)
  • Below average endurance (15th percentile)15th %ile
  • Below average capacity (35th percentile)

Western Digital WD_BLACK SN8100 4TB PCIe 5.0 x4 NVMe M.2 2280

  • Strong feature (100th percentile)100th %ile
  • Strong speed (100th percentile)100th %ile
  • Strong random (100th percentile)100th %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Below average affordability (8th percentile)8th %ile

結論

★ 勝者: Western Digital WD_BLACK SN8100

Scores 92 overall, wins 5 of 6 usage categories and 12 of 17 specs.

Western Digital WD_BLACK SN8100 優れている点:

GamingLaptopConsolePortableWorkstation