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
ADATA LEGEND 710 2TB PCIe 3.0 x4 NVMe M.2 2280

ADATA LEGEND 710 2TB PCIe 3.0 x4 NVMe M.2 2280

ADATA
66 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

ADATA LEGEND 710 2TB PCIe 3.0 x4 NVMe M.2 2280

No customer feedback yet

Scores

Laptop
Western Digital
97
ADATA
59
Budget
Western Digital
97
ADATA
69
Workstation
Western Digital
95
ADATA
63
Gaming
Western Digital
95
ADATA
63
Console
Western Digital
91
ADATA
32
Portable
Western Digital
25
ADATA
16

Specifications

Western Digital Black SN850XADATA LEGEND 710
Drive
Capacity
4,000
2,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 3.0 x4
ProtocolNVMeNVMe
PCIe Generation4★3
External✗✗
Performance
Sequential Read (MB/s)
7,300
2,400
Sequential Write (MB/s)
6,600
1,800
Random Read (IOPS)
1,200,000
200,000
Random Write (IOPS)
1,100,000
150,000
Hardware
NANDTLCTLC
DRAM Cache✓★✗
ControllerWD 20-82-20035-B1Realtek RTS5766DL
Reliability
Endurance (TBW)
2,400
520
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

ADATA LEGEND 710 2TB PCIe 3.0 x4 NVMe M.2 2280

  • Strong feature (87th percentile)87th %ile
  • Strong capacity (78th percentile)
  • Strong random (78th percentile)
  • Strong endurance (67th percentile)
  • Below average social proof (13th percentile)13th %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