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 500GB PCIe 3.0 x4 NVMe M.2 2280

Samsung 970 EVO 500GB PCIe 3.0 x4 NVMe M.2 2280

Samsung
68 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 500GB PCIe 3.0 x4 NVMe M.2 2280

72 out of 100 low confidence 8 reviews

The Samsung EVO 970 NVMe drive is praised for its blazing fast speeds, quick boot times, and reliable performance, making it a popular choice for gaming and general use. However, several users reported issues with using it as a boot drive, warranty support, and missing mounting hardware, which dampened overall satisfaction.

Pros
  • Blazing fast speeds
  • Quick boot times
  • Reliable performance
  • Great for gaming
  • Trusted brand
Cons
  • Cannot use as boot drive
  • Warranty not honored
  • Missing mounting hardware
  • Poor packaging
👍 Performance 6
👎 Boot drive compatibility 2
👎 Warranty support 1
👎 Mounting hardware 2
👎 Packaging 2
👍 Value for money 2

Scores

Console
Western Digital
95
Samsung
28
Gaming
Western Digital
95
Samsung
57
Workstation
Western Digital
94
Samsung
71
Budget
Western Digital
81
Samsung
66
Laptop
Western Digital
81
Samsung
72
Portable
Western Digital
25
Samsung
17

Specifications

Western Digital WD_BLACK SN850XSamsung 970 EVO
Drive
Capacity
4,000
500
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
2,300
Random Read (IOPS)
1,200,000
370,000
Random Write (IOPS)
1,100,000
450,000
Hardware
NANDTLCTLC
DRAM Cache✓✓
Controller—Samsung Phoenix
Reliability
Endurance (TBW)
2,400
300
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 500GB PCIe 3.0 x4 NVMe M.2 2280

  • Strong social proof (100th percentile)100th %ile
  • Strong feature (94th percentile)94th %ile
  • Strong endurance (86th percentile)86th %ile
  • Strong random (85th percentile)85th %ile
  • Below average affordability (22nd percentile)
  • Below average capacity (27th percentile)
  • Below average user sentiment (29th 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