Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital
94 Overall Score
vs
Samsung 970 EVO 1TB PCIe 3.0 x4 NVMe M.2 2280

Samsung 970 EVO 1TB PCIe 3.0 x4 NVMe M.2 2280

Samsung
79 Overall Score

What Buyers Say

Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

No customer feedback yet

Samsung 970 EVO 1TB PCIe 3.0 x4 NVMe M.2 2280

92 out of 100 high confidence 34 reviews

The Samsung 970 EVO M.2 SSD is overwhelmingly praised for its exceptional speed, with users reporting boot times of 5-15 seconds and rapid application loading. Installation is described as simple, and the included Samsung Magician software is valued for its ease of use. While some users note the need for proper cooling and potential compatibility issues with older systems, the overall sentiment is highly positive, with many considering it a worthwhile upgrade from SATA SSDs.

Pros
  • Exceptional speed
  • Easy installation
  • Samsung Magician software
  • Reliable brand
  • Good value for money
Cons
  • Needs proper cooling
  • Compatibility issues with older systems
  • Screw installation can be tricky
  • Price higher than some competitors
👍 Speed 20
👍 Installation 12
👍 Software 5
👍 Value for money 6
🤔 Cooling 3
🤔 Compatibility 4

Scores

Gaming
Western Digital
95
Samsung
74
Console
Western Digital
95
Samsung
36
Workstation
Western Digital
94
Samsung
76
Budget
Western Digital
81
Samsung
74
Laptop
Western Digital
81
Samsung
77
Portable
Western Digital
25
Samsung
19

Specifications

Western Digital WD_BLACK SN850XSamsung 970 EVO
Drive
Capacity
4,000
1,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 3.0 x4
ProtocolNVMeNVMe
PCIe Generation4★3
External✗✗
Performance
Sequential Read (MB/s)
7,300
3,400
Sequential Write (MB/s)
6,600
2,500
Random Read (IOPS)
1,200,000
500,000
Random Write (IOPS)
1,100,000
450,000
Hardware
NANDTLCTLC
DRAM Cache✓✓
Controller—Samsung Phoenix Controller
Reliability
Endurance (TBW)
2,400
600
MTBF (hours)
1,750,000
1,500,000
Warranty (years)35★
Features
Heatsink✓★—
Hardware Encryption—✓★

Pros & Cons

Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

  • Strong random (96th percentile)96th %ile
  • Strong social proof (95th percentile)95th %ile
  • Strong feature (94th percentile)94th %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Below average affordability (9th percentile)9th %ile

Samsung 970 EVO 1TB PCIe 3.0 x4 NVMe M.2 2280

  • Strong social proof (100th percentile)100th %ile
  • Strong user sentiment (95th percentile)95th %ile
  • Strong feature (94th percentile)94th %ile
  • Strong random (86th percentile)86th %ile
  • Below average affordability (27th percentile)

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 94 overall, wins 6 of 6 usage categories and 9 of 18 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation