Drive Hitachi HTS727550A9E364 500GB hdparm -t /dev/sda Timing buffered disk reads: 340 MB in 3.01 seconds = 112.88 MB/sec Drive Hitachi HTS727575A9E364 752GB hdparm -t /dev/sdb Timing buffered disk reads: 308 MB in 3.02 seconds = 102.04 MB/sec Drive INTEL SSDMAEXC024G3H 24GB hdparm -t /dev/sdc Timing buffered disk reads: 418 MB in 3.00 seconds = 139.31 MB/sec