Command:
for i in 1 2 3; do hdparm -tT /dev/sda1; done


Softlayer Config
2x300GB 15k RPM SAS HW-RAID1

/dev/sda6:
 Timing cached reads:   24714 MB in  2.00 seconds = 12371.67 MB/sec
 Timing buffered disk reads: 916 MB in  3.04 seconds = 301.20 MB/sec

/dev/sda6:
 Timing cached reads:   24874 MB in  2.00 seconds = 12451.71 MB/sec
 Timing buffered disk reads: 992 MB in  3.02 seconds = 328.12 MB/sec

/dev/sda6:
 Timing cached reads:   24714 MB in  2.00 seconds = 12371.32 MB/sec
 Timing buffered disk reads: 912 MB in  3.00 seconds = 303.64 MB/sec


OVH Config
2x1TB 7200 RPM SATA SW-RAID1

/dev/md2:
 Timing cached reads:   12384 MB in  2.00 seconds = 6195.17 MB/sec
 Timing buffered disk reads: 646 MB in  3.00 seconds = 215.08 MB/sec

/dev/md2:
 Timing cached reads:   12178 MB in  2.00 seconds = 6091.79 MB/sec
 Timing buffered disk reads: 646 MB in  3.00 seconds = 215.23 MB/sec

/dev/md2:
 Timing cached reads:   12182 MB in  2.00 seconds = 6094.08 MB/sec
 Timing buffered disk reads: 646 MB in  3.00 seconds = 215.26 MB/sec


LSN Config
4x128GB Samsung 830 SSD HW-RAID1+0

/dev/mapper/unassigned-root:
 Timing cached reads:   24222 MB in  2.00 seconds = 12124.51 MB/sec
 Timing buffered disk reads: 1736 MB in  3.00 seconds = 578.21 MB/sec

/dev/mapper/unassigned-root:
 Timing cached reads:   24070 MB in  2.00 seconds = 12048.74 MB/sec
 Timing buffered disk reads: 1728 MB in  3.00 seconds = 575.89 MB/sec

/dev/mapper/unassigned-root:
 Timing cached reads:   24298 MB in  2.00 seconds = 12162.59 MB/sec
 Timing buffered disk reads: 1732 MB in  3.00 seconds = 576.72 MB/sec

EC2 Small

/dev/xvda1:
 Timing cached reads:   6226 MB in  1.99 seconds = 3121.04 MB/sec
 Timing buffered disk reads: 246 MB in  3.20 seconds =  76.91 MB/sec

/dev/xvda1:
 Timing cached reads:   6068 MB in  1.99 seconds = 3041.89 MB/sec
 Timing buffered disk reads: 246 MB in  3.00 seconds =  81.90 MB/sec

/dev/xvda1:
 Timing cached reads:   5898 MB in  2.00 seconds = 2954.85 MB/sec
 Timing buffered disk reads: 248 MB in  3.04 seconds =  81.50 MB/sec