Western Digital WD_BLACK SN850X

Western Digital WD_BLACK SN850X

Western Digital
99 Overall Score
vs
Seagate FireCuda X1070

Seagate FireCuda X1070

Seagate
73 Overall Score

What Buyers Say

Western Digital WD_BLACK SN850X

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

Seagate FireCuda X1070

No customer feedback yet

Scores

Budget
Western Digital
96
Seagate
73
Console
Western Digital
95
Seagate
65
Gaming
Western Digital
94
Seagate
66
Workstation
Western Digital
94
Seagate
59
Laptop
Western Digital
84
Seagate
78
Portable
Western Digital
26
Seagate
19

Specifications

Western Digital WD_BLACK SN850XSeagate FireCuda X1070
Drive
Capacity
4,000
2,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 4.0 x4
ProtocolNVMeNVMe
PCIe Generation44
External✗✗
Performance
Sequential Read (MB/s)
7,300
7,200
Sequential Write (MB/s)
6,600
6,500
Random Read (IOPS)
1,200,000
900,000
Random Write (IOPS)
1,100,000
1,000,000
Hardware
NANDTLC★QLC
DRAM Cache✓★✗
Reliability
Endurance (TBW)
2,400
1,200
MTBF (hours)
1,750,000
1,800,000
Warranty (years)35★
Features
Heatsink✓★✗

Pros & Cons

Western Digital WD_BLACK SN850X

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

Seagate FireCuda X1070

  • Strong random (92nd percentile)92nd %ile
  • Strong endurance (89th percentile)89th %ile
  • Strong speed (85th percentile)85th %ile
  • Strong capacity (78th percentile)
  • Below average feature (14th percentile)14th %ile
  • Below average social proof (19th percentile)19th %ile

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 99 overall, wins 6 of 6 usage categories and 9 of 16 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation