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
99 Overall Score
vs
Addlink 1TB SSD PCIe 5.0 x4 NVMe M.2

Addlink 1TB SSD PCIe 5.0 x4 NVMe M.2

Addlink
67 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

Addlink 1TB SSD PCIe 5.0 x4 NVMe M.2

No customer feedback yet

Scores

Laptop
Western Digital
97
Addlink
70
Gaming
Western Digital
94
Addlink
66
Workstation
Western Digital
94
Addlink
61
Console
Western Digital
90
Addlink
66
Budget
Western Digital
82
Addlink
75
Portable
Western Digital
25
Addlink
18

Specifications

Western Digital Black SN850XAddlink 1TB SSD
Drive
Capacity
4,000
1,000
Form FactorM.2 2280M.2
InterfacePCIe 4.0 x4PCIe 5.0 x4
ProtocolNVMeNVMe
PCIe Generation45★
External✗✗
Performance
Sequential Read (MB/s)
7,300
10,300
Sequential Write (MB/s)
6,600
9,000
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
No data
MTBF (hours)
1,750,000
No data
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 (11th percentile)11th %ile

Addlink 1TB SSD PCIe 5.0 x4 NVMe M.2

  • Strong speed (96th percentile)96th %ile
  • Strong feature (72nd percentile)

Pricing

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

No current pricing available

Addlink 1TB SSD PCIe 5.0 x4 NVMe M.2

Verdict

★ Winner: Western Digital Black SN850X

Scores 99 overall, wins 6 of 6 usage categories and 6 of 18 specs.

Western Digital Black SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation

Also Consider