Option
Ultra High Speed
  Specifications
  Accelerated handling operations

Average access time:

STX44: 15 sec STX44 UHS: 12 sec
STX110: 17 sec STX110 UHS: 14 sec
STX220: 19 sec STX220 UHS: 15 sec
STX500: 21 sec STX500 UHS: 17 sec
STX1000: 21 sec STX1000 UHS: 17 sec
   
STR44: 21 sec STR44 UHS: 19 sec
STR240: 25 sec STR240 UHS: 20 sec
STR602: 25 sec STR602 UHS: 20 sec