IOPS, Seq. Read, Power, MTBF of Various 2.5/3.5 Inch Disk Drives
(Click on the above screen capture to get the full image)
Update: July 30, 2012
As you can see, the bigger the size, the higher cost for IOPS, so if you are looking for IOPS, then buy 15,000RPM disk, 3.5″ disks (300GB/450GB/600GB) and 2.5″ 300GB or even 10,000RPM 2.5″ 300GB will do the job.
