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
XPG BLADE 1TB PCIe 5.0 x4 NVMe M.2 2280

XPG BLADE 1TB PCIe 5.0 x4 NVMe M.2 2280

XPG
73 Overall Score

What Buyers Say

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

No customer feedback yet

XPG BLADE 1TB PCIe 5.0 x4 NVMe M.2 2280

72 out of 100 low confidence 9 reviews

Users generally appreciate the SSD's performance and value for money, with one noting it's 'amazing for the price' and another praising its state-of-the-art technology. However, a significant issue was reported: the drive sometimes fails to be detected during bootup on certain motherboards, which is a major reliability concern. Overall, sentiment is mixed but leans positive due to strong performance and brand reputation.

Pros
  • Great value for money
  • Fast sequential speeds
  • Reliable brand reputation
  • Compatible with PS5
Cons
  • Boot detection issues
  • Disappointing benchmark scores
  • RMA hassle
👍 Performance 3
👍 Value for money 2
👎 Reliability 2
👍 Brand reputation 2
👍 Compatibility 2
👎 Benchmark scores 1

Scores

Console
Western Digital
95
XPG
72
Gaming
Western Digital
95
XPG
74
Workstation
Western Digital
94
XPG
80
Budget
Western Digital
81
XPG
75
Laptop
Western Digital
81
XPG
62
Portable
Western Digital
25
XPG
18

Specifications

Western Digital WD_BLACK SN850XXPG BLADE
Drive
Capacity
4,000
1,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 5.0 x4
ProtocolNVMeNVMe
PCIe Generation45★
External✗✗
Performance
Sequential Read (MB/s)
7,300
14,000
Sequential Write (MB/s)
6,600
10,000
Random Read (IOPS)
1,200,000
1,600,000
Random Write (IOPS)
1,100,000
1,650,000
Hardware
NANDTLCTLC
DRAM Cache✓✓
Controller—SMI SM2508
Reliability
Endurance (TBW)
2,400
740
MTBF (hours)
1,750,000
No data
Warranty (years)33
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

XPG BLADE 1TB PCIe 5.0 x4 NVMe M.2 2280

  • Strong feature (100th percentile)100th %ile
  • Strong random (98th percentile)98th %ile
  • Strong speed (97th percentile)97th %ile
  • Strong endurance (82nd percentile)82nd %ile
  • Below average social proof (8th percentile)8th %ile
  • Below average user sentiment (28th percentile)

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 94 overall, wins 6 of 6 usage categories and 3 of 18 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation