Western Digital WD Black SN850X

Western Digital WD Black SN850X

Western Digital
99 Overall Score
vs
Lexar NS100 256GB SATA III 2.5"

Lexar NS100 256GB SATA III 2.5"

Lexar
36 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

Lexar NS100 256GB SATA III 2.5"

72 out of 100 low confidence 7 reviews

Most users are very satisfied with this 128GB SSD, praising its value for money, especially for upgrading older systems. One reviewer had a defective unit that failed diagnostics, but others found it a hidden gem. Overall, it's recommended for budget-conscious upgrades.

Pros
  • Great value for money
  • Fast for older systems
  • Easy upgrade for old PCs
  • Recommended by users
Cons
  • Defective unit risk
  • Failed diagnostics for one unit
👍 Value for money 3
👍 Performance 2
🤔 Reliability 2
👍 Ease of installation 1
👍 Recommendation 2

Scores

Budget
Western Digital
96
Lexar
43
Console
Western Digital
95
Lexar
11
Gaming
Western Digital
95
Lexar
23
Workstation
Western Digital
94
Lexar
40
Laptop
Western Digital
82
Lexar
35
Portable
Western Digital
25
Lexar
8

Specifications

Western Digital WD Black SN850XLexar NS100
Drive
Capacity
4,000
256
Form FactorM.2 22802.5"
InterfacePCIe 4.0 x4SATA III
ProtocolNVMeSATA
PCIe Generation4★—
External✗✗
Performance
Sequential Read (MB/s)
7,300
550
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
NANDTLCMLC★
DRAM Cache✓★—
Reliability
Endurance (TBW)
2,400
128
MTBF (hours)
1,750,000
No data
Warranty (years)33
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

Lexar NS100 256GB SATA III 2.5"

  • Strong endurance (74th percentile)
  • Strong feature (71st percentile)
  • Below average capacity (18th percentile)18th %ile
  • Below average speed (20th percentile)20th %ile
  • Below average random (22nd percentile)
  • Below average user sentiment (28th percentile)

Verdict

★ Winner: Western Digital WD Black SN850X

Scores 99 overall, wins 6 of 6 usage categories and 10 of 16 specs.

Western Digital WD Black SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation