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
99 Overall Score
vs
ADATA LEGEND 860 500GB PCIe 4.0 x4 NVMe M.2 2280

ADATA LEGEND 860 500GB PCIe 4.0 x4 NVMe M.2 2280

ADATA
60 Overall Score

What Buyers Say

Western Digital WD_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

ADATA LEGEND 860 500GB PCIe 4.0 x4 NVMe M.2 2280

No customer feedback yet

Scores

Budget
Western Digital
96
ADATA
49
Console
Western Digital
95
ADATA
35
Gaming
Western Digital
95
ADATA
46
Workstation
Western Digital
94
ADATA
59
Laptop
Western Digital
82
ADATA
58
Portable
Western Digital
25
ADATA
14

Specifications

Western Digital WD_BLACK SN850XADATA LEGEND 860
Drive
Capacity
4,000
500
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 4.0 x4
ProtocolNVMeNVMe
PCIe Generation44
External✗✗
Performance
Sequential Read (MB/s)
7,300
5,000
Sequential Write (MB/s)
6,600
3,000
Random Read (IOPS)
1,200,000
No data
Random Write (IOPS)
1,100,000
No data
Hardware
NANDTLCSLC★
DRAM Cache✓★✗
Reliability
Endurance (TBW)
2,400
1,600
MTBF (hours)
1,750,000
2,000,000
Warranty (years)35★
Features
Heatsink✓✓
Hardware Encryption—✓★

Pros & Cons

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

  • Strong social proof (96th percentile)96th %ile
  • Strong random (95th percentile)95th %ile
  • Strong user sentiment (95th percentile)95th %ile
  • Strong feature (94th percentile)94th %ile

ADATA LEGEND 860 500GB PCIe 4.0 x4 NVMe M.2 2280

  • Strong endurance (96th percentile)96th %ile
  • Strong feature (87th percentile)87th %ile
  • Strong speed (69th percentile)
  • Below average social proof (19th percentile)19th %ile
  • Below average capacity (27th percentile)

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 99 overall, wins 6 of 6 usage categories and 7 of 17 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation