ADATA 14992281

ADATA 14992281

ADATA
56 Overall Score
vs
Western Digital WD_BLACK SN850X

Western Digital WD_BLACK SN850X

Western Digital
95 Overall Score

Scores

Laptop
ADATA
48
Western Digital
100
Budget
ADATA
51
Western Digital
98
Gaming
ADATA
43
Western Digital
95
Workstation
ADATA
52
Western Digital
95
Console
ADATA
21
Western Digital
91
Portable
ADATA
12
Western Digital
25

Specifications

ADATA 14992281Western Digital WD_BLACK SN850X
Drive
Capacity
256
4,000
Form FactorM.2M.2 2280
InterfacePCIe 3.0 x4PCIe 4.0 x4
ProtocolNVMeNVMe
PCIe Generation34★
External✗✗
Performance
Sequential Read (MB/s)
2,000
7,300
Sequential Write (MB/s)
1,600
6,600
Random Read (IOPS)
180,000
1,200,000
Random Write (IOPS)
280,000
1,100,000
Hardware
NANDTLCTLC
DRAM Cache✗✓★
Controller—WD 20-82-20035-B1
Reliability
Endurance (TBW)
80
2,400
MTBF (hours)
1,500,000
1,750,000
Warranty (years)35★
Features
Heatsink✓★✗
Hardware Encryption✓★✗

Pros & Cons

ADATA 14992281

  • Strong feature (87th percentile)87th %ile
  • Strong random (78th percentile)
  • Strong endurance (68th percentile)
  • Below average capacity (17th percentile)17th %ile

Western Digital WD_BLACK SN850X

  • Strong social proof (100th percentile)100th %ile
  • Strong random (95th percentile)95th %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Strong feature (89th percentile)89th %ile

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 95 overall, wins 6 of 6 usage categories and 10 of 18 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation