ADATA Ultimate SU655 vs WD Blue SA510

vs
ADATA Ultimate SU655 WD Blue SA510
2.5-Inch
Form
2.5-Inch
SATA III
Interface
SATA III
240
Storage
500
520
Seq. Read Speed
560
450
Seq. Write Speed
510
40
Rand. Read Speed
90
75
Rand. Write Speed
82
about