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
Kingston A400 1.92TB SATA III 2.5"

Kingston A400 1.92TB SATA III 2.5"

Kingston
37 Overall Score

What Buyers Say

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

No customer feedback yet

Kingston A400 1.92TB SATA III 2.5"

88 out of 100 medium confidence 13 reviews

Users are overwhelmingly positive about this Kingston SSD, praising its value for money, reliability, and performance. Many use it as a primary drive or for gaming, noting fast load times and ample storage. A few minor complaints include the lack of a SATA cable and difficulty registering the product online.

Pros
  • Great value for money
  • Reliable performance
  • Fast load times
  • Ample storage capacity
  • Easy installation
Cons
  • No SATA cable included
  • Registration difficult on website
  • Not the fastest SSD
👍 Value for money 5
👍 Performance 8
👍 Reliability 6
👍 Storage capacity 4
👍 Ease of installation 3
👍 Build quality 3

Scores

Console
Western Digital
95
Kingston
15
Gaming
Western Digital
95
Kingston
29
Workstation
Western Digital
94
Kingston
29
Budget
Western Digital
81
Kingston
49
Laptop
Western Digital
81
Kingston
35
Portable
Western Digital
25
Kingston
10

Specifications

Western Digital WD_BLACK SN850XKingston A400
Drive
Capacity
4,000
1,920
Form FactorM.2 22802.5"
InterfacePCIe 4.0 x4SATA III
ProtocolNVMeSATA
PCIe Generation4★—
External✗✗
Performance
Sequential Read (MB/s)
7,300
500
Sequential Write (MB/s)
6,600
450
Random Read (IOPS)
1,200,000
No data
Random Write (IOPS)
1,100,000
No data
Hardware
NANDTLC★—
DRAM Cache✓★✗
Reliability
Endurance (TBW)
2,400
No data
MTBF (hours)
1,750,000
1,000,000
Warranty (years)3★—
Features
Heatsink✓★—

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

Kingston A400 1.92TB SATA III 2.5"

  • Strong social proof (87th percentile)87th %ile
  • Strong user sentiment (79th percentile)
  • Strong capacity (69th percentile)
  • Below average feature (15th percentile)15th %ile
  • Below average speed (15th percentile)15th %ile
  • Below average affordability (16th percentile)16th %ile
  • Below average random (22nd percentile)

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 94 overall, wins 6 of 6 usage categories and 12 of 16 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation