Drive ADATA SU650 256GB SSD hdparm -t /dev/sda Timing buffered disk reads: 1370 MB in 3.00 seconds = 456.39 MB/sec Drive TOSHIBA DT01ACA100 1TB hdparm -t /dev/sdb Timing buffered disk reads: 536 MB in 3.01 seconds = 178.36 MB/sec Drive Alcor Micro Corp. AU6477 Card Reader Controller hdparm -t /dev/sdc Timing buffered disk reads: Drive Alcor Micro Corp. AU6477 Card Reader Controller hdparm -t /dev/sdd Timing buffered disk reads: Drive Alcor Micro Corp. AU6477 Card Reader Controller hdparm -t /dev/sde Timing buffered disk reads: Drive Alcor Micro Corp. AU6477 Card Reader Controller hdparm -t /dev/sdf Timing buffered disk reads: