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
Seagate FireCuda X1070 1TB PCIe 4.0 x4 NVMe M.2 2280

Seagate FireCuda X1070 1TB PCIe 4.0 x4 NVMe M.2 2280

Seagate
62 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

Seagate FireCuda X1070 1TB PCIe 4.0 x4 NVMe M.2 2280

50 out of 100 low confidence 7 reviews

The available evidence consists only of generic Q&A entries that repeat the questions without providing any substantive answers. There are no user reviews or detailed feedback to gauge actual sentiment. As a result, the overall sentiment is neutral, reflecting a lack of information rather than positive or negative experiences.

Scores

Laptop
Western Digital
97
Seagate
67
Gaming
Western Digital
94
Seagate
58
Workstation
Western Digital
94
Seagate
54
Console
Western Digital
90
Seagate
57
Budget
Western Digital
82
Seagate
65
Portable
Western Digital
25
Seagate
16

Specifications

Western Digital Black SN850XSeagate FireCuda X1070
Drive
Capacity
4,000
1,000
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
6,000
Random Read (IOPS)
1,200,000
850,000
Random Write (IOPS)
1,100,000
900,000
Hardware
NANDTLC★QLC
DRAM Cache✓★✗
ControllerWD 20-82-20035-B1—
Reliability
Endurance (TBW)
2,400
600
MTBF (hours)
1,750,000
1,800,000
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

Seagate FireCuda X1070 1TB PCIe 4.0 x4 NVMe M.2 2280

  • Strong random (92nd percentile)92nd %ile
  • Strong endurance (89th percentile)89th %ile
  • Strong speed (83rd percentile)83rd %ile
  • Below average social proof (6th percentile)6th %ile
  • Below average user sentiment (9th percentile)9th %ile
  • Below average feature (15th percentile)15th %ile

Pricing

Seagate FireCuda X1070 1TB PCIe 4.0 x4 NVMe M.2 2280 is $456 cheaper (3.3x less).

Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 22800.151score per dollar
vs
Seagate FireCuda X1070 1TB PCIe 4.0 x4 NVMe M.2 22800.310score per dollar

Seagate FireCuda X1070 1TB PCIe 4.0 x4 NVMe M.2 2280 offers 2.1x better value for money

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

Seagate FireCuda X1070 1TB PCIe 4.0 x4 NVMe M.2 2280

Verdict

★ Winner: Western Digital Black SN850X

Scores 99 overall, wins 6 of 6 usage categories and 8 of 18 specs.

Western Digital Black SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation

Also Consider