ADATA Ultimate SU650

ADATA Ultimate SU650

ADATA
39 Overall Score
vs
Western Digital WD_BLACK SN850X

Western Digital WD_BLACK SN850X

Western Digital
95 Overall Score

Scores

Laptop
ADATA
40
Western Digital
100
Budget
ADATA
53
Western Digital
97
Gaming
ADATA
25
Western Digital
95
Workstation
ADATA
34
Western Digital
95
Console
ADATA
13
Western Digital
91
Portable
ADATA
10
Western Digital
26

Specifications

ADATA Ultimate SU650Western Digital WD_BLACK SN850X
Drive
Capacity
512
4,000
Form Factor2.5"M.2 2280
InterfaceSATA IIIPCIe 4.0 x4
ProtocolSATANVMe
PCIe Generation—4★
External✗✗
Performance
Sequential Read (MB/s)
520
7,300
Sequential Write (MB/s)
450
6,600
Random Read (IOPS)No data
1,200,000
Random Write (IOPS)No data
1,100,000
Hardware
NANDTLCTLC
DRAM Cache✗✓★
Controller—WD 20-82-20035-B1
Reliability
Endurance (TBW)No data
2,400
MTBF (hours)
2,000,000
1,750,000
Warranty (years)35★
Features
Heatsink—✗
Hardware Encryption—✗

Pros & Cons

ADATA Ultimate SU650

  • Strong social proof (80th percentile)80th %ile
  • Below average speed (16th percentile)16th %ile
  • Below average random (22nd percentile)
  • Below average capacity (34th percentile)

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 9 of 18 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation