Drive TOSHIBA MQ01ABF0 500GB hdparm -t /dev/sda Timing buffered disk reads: 314 MB in 3.02 seconds = 104.10 MB/sec Drive WDC WD10JPVX-22JC3T0 1TB hdparm -t /dev/sdb Timing buffered disk reads: 344 MB in 3.02 seconds = 114.07 MB/sec