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

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

Western Digital
100 Overall Score
vs
Kingston DC2000B 240GB PCIe 4.0 x4 NVMe M.2 2280

Kingston DC2000B 240GB PCIe 4.0 x4 NVMe M.2 2280

Kingston
42 Overall Score

What Buyers Say

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

92 out of 100 medium confidence 17 reviews

The WD Black SN850X is highly praised for its blazing speed, reliability, and value, often compared favorably to pricier alternatives like Samsung and Solidigm. Users report excellent performance in gaming (especially PS5) and general use, with a few concerns about potential issues mitigated by firmware updates. Overall, it's seen as a top-tier NVMe drive, especially when on sale.

Pros
  • Blazing fast speeds
  • Excellent value for money
  • Reliable high-capacity storage
  • Great for PS5
  • Easy installation
Cons
  • Potential firmware issues
  • No heatsink included
  • Pricey when not on sale
👍 Speed 6
👍 Value for money 4
👍 Reliability 4
👍 Ps5 compatibility 3
👎 Firmware concerns 2
👍 Installation 2

Kingston DC2000B 240GB PCIe 4.0 x4 NVMe M.2 2280

No customer feedback yet

Scores

Laptop
Western Digital
98
Kingston
40
Workstation
Western Digital
95
Kingston
41
Gaming
Western Digital
95
Kingston
31
Console
Western Digital
91
Kingston
27
Budget
Western Digital
83
Kingston
24
Portable
Western Digital
25
Kingston
9

Specifications

Western Digital Black SN850XKingston DC2000B
Drive
Capacity
4,000
240
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 4.0 x4
ProtocolNVMeNVMe
PCIe Generation44
External✗✗
Performance
Sequential Read (MB/s)
7,300
No data
Sequential Write (MB/s)
6,600
No data
Random Read (IOPS)
1,200,000
No data
Random Write (IOPS)
1,100,000
No data
Hardware
NANDTLC★—
DRAM Cache✓★—
ControllerWD 20-82-20035-B1—
Reliability
Endurance (TBW)
2,400
175
MTBF (hours)
1,750,000
No data
Warranty (years)5★—
Features
Heatsink✗—
Hardware Encryption✗—

Pros & Cons

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

  • Strong random (95th percentile)95th %ile
  • Strong social proof (95th percentile)95th %ile
  • Strong user sentiment (94th percentile)94th %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Below average affordability (11th percentile)11th %ile

Kingston DC2000B 240GB PCIe 4.0 x4 NVMe M.2 2280

  • Strong endurance (72nd percentile)
  • Strong speed (67th percentile)
  • Below average affordability (0th percentile)0th %ile
  • Below average capacity (10th percentile)10th %ile
  • Below average feature (15th percentile)15th %ile

Verdict

★ Winner: Western Digital Black SN850X

Scores 100 overall, wins 6 of 6 usage categories and 10 of 18 specs.

Western Digital Black SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation