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
Timetec Premium 1TB SATA III M.2 2280

Timetec Premium 1TB SATA III M.2 2280

Timetec
46 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

Timetec Premium 1TB SATA III M.2 2280

No customer feedback yet

Scores

Laptop
Western Digital
97
Timetec
50
Workstation
Western Digital
95
Timetec
43
Gaming
Western Digital
94
Timetec
35
Console
Western Digital
90
Timetec
18
Budget
Western Digital
82
Timetec
76
Portable
Western Digital
25
Timetec
12

Specifications

Western Digital Black SN850XTimetec Premium
Drive
Capacity
4,000
1,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4SATA III
ProtocolNVMeSATA
PCIe Generation4★—
External✗✗
Performance
Sequential Read (MB/s)
7,300
550
Sequential Write (MB/s)
6,600
500
Random Read (IOPS)
1,200,000
No data
Random Write (IOPS)
1,100,000
No data
Hardware
NANDTLCTLC
DRAM Cache✓★✗
ControllerWD 20-82-20035-B1—
Reliability
Endurance (TBW)
2,400
512
MTBF (hours)
1,750,000
1,500,000
Warranty (years)5★3
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 (95th percentile)95th %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Below average affordability (11th percentile)11th %ile

Timetec Premium 1TB SATA III M.2 2280

  • Strong endurance (77th percentile)
  • Strong social proof (68th percentile)
  • Strong affordability (68th percentile)
  • Below average random (22nd percentile)
  • Below average speed (28th percentile)

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