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 KC3000 4TB PCIe 4.0 x4 NVMe M.2 2280

Kingston KC3000 4TB PCIe 4.0 x4 NVMe M.2 2280

Kingston
86 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 KC3000 4TB PCIe 4.0 x4 NVMe M.2 2280

No customer feedback yet

Scores

Laptop
Western Digital
97
Kingston
71
Gaming
Western Digital
94
Kingston
84
Workstation
Western Digital
94
Kingston
88
Console
Western Digital
90
Kingston
82
Budget
Western Digital
82
Kingston
66
Portable
Western Digital
25
Kingston
22

Specifications

Western Digital Black SN850XKingston KC3000
Drive
Capacity
4,000
4,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 4.0 x4
ProtocolNVMeNVMe
PCIe Generation44
External✗✗
Performance
Sequential Read (MB/s)
7,300
7,000
Sequential Write (MB/s)
6,600
7,000
Random Read (IOPS)
1,200,000
1,000,000
Random Write (IOPS)
1,100,000
1,000,000
Hardware
NANDTLCTLC
DRAM Cache✓★—
ControllerWD 20-82-20035-B1Phison E18
Reliability
Endurance (TBW)
2,400
3,200
MTBF (hours)
1,750,000
1,800,000
Warranty (years)55
Features
Heatsink✗✓★
Hardware Encryption✗—

Pros & Cons

Western Digital 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 user sentiment (95th percentile)95th %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Below average affordability (10th percentile)10th %ile

Kingston KC3000 4TB PCIe 4.0 x4 NVMe M.2 2280

  • Strong random (95th percentile)95th %ile
  • Strong endurance (93rd percentile)93rd %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Strong speed (88th percentile)88th %ile
  • Below average affordability (10th percentile)10th %ile
  • Below average social proof (24th percentile)

Verdict

★ Winner: Western Digital Black SN850X

Scores 100 overall, wins 6 of 6 usage categories and 4 of 18 specs.

Western Digital Black SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation