Western Digital WD Black SN850X

Western Digital WD Black SN850X

Western Digital
99 Overall Score
vs
Samsung 9100 PRO

Samsung 9100 PRO

Samsung
59 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

Samsung 9100 PRO

No customer feedback yet

Scores

Budget
Western Digital
96
Samsung
44
Console
Western Digital
95
Samsung
62
Gaming
Western Digital
95
Samsung
65
Workstation
Western Digital
94
Samsung
61
Laptop
Western Digital
82
Samsung
62
Portable
Western Digital
25
Samsung
16

Specifications

Western Digital WD Black SN850XSamsung 9100 PRO
Drive
Capacity
4,000
1,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 5.0 x4
ProtocolNVMeNVMe
PCIe Generation45★
External✗✗
Performance
Sequential Read (MB/s)
7,300
14,700
Sequential Write (MB/s)
6,600
13,300
Random Read (IOPS)
1,200,000
2,200,000
Random Write (IOPS)
1,100,000
2,600,000
Hardware
NANDTLC★—
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

  • 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

Samsung 9100 PRO

  • Strong random (100th percentile)100th %ile
  • Strong speed (99th percentile)99th %ile
  • Strong feature (79th percentile)
  • Below average endurance (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 6 of 16 specs.

Western Digital WD Black SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation