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
Micron 5400 MAX 3.84TB SATA III 2.5"

Micron 5400 MAX 3.84TB SATA III 2.5"

Micron
43 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

Micron 5400 MAX 3.84TB SATA III 2.5"

No customer feedback yet

Scores

Budget
Western Digital
96
Micron
69
Console
Western Digital
95
Micron
18
Gaming
Western Digital
95
Micron
35
Workstation
Western Digital
94
Micron
37
Laptop
Western Digital
82
Micron
46
Portable
Western Digital
25
Micron
12

Specifications

Western Digital WD_BLACK SN850XMicron 5400 MAX
Drive
Capacity
4,000
3,840
Form FactorM.2 22802.5"
InterfacePCIe 4.0 x4SATA III
ProtocolNVMeSATA
PCIe Generation4★—
External✗✗
Performance
Sequential Read (MB/s)
7,300
No data
Sequential Write (MB/s)
6,600
No data
Random Read (IOPS)
1,200,000
No data
Random Write (IOPS)
1,100,000
No data
Hardware
NANDTLCTLC
DRAM Cache✓★—
Reliability
Endurance (TBW)
2,400
No data
MTBF (hours)
1,750,000
No data
Warranty (years)3★—
Features
Heatsink✓★—

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

Micron 5400 MAX 3.84TB SATA III 2.5"

  • Strong capacity (88th percentile)88th %ile
  • Below average speed (7th percentile)7th %ile
  • Below average endurance (14th percentile)14th %ile
  • Below average random (22nd percentile)

Pricing

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

No current pricing available

Micron 5400 MAX 3.84TB SATA III 2.5"

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 99 overall, wins 6 of 6 usage categories and 11 of 16 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation