100Mb/s is only 12.5MB/s
MBps is an acronym used to abbreviate “megabytes per second (MB/s)
Network speeds are measured in bits not bytes.
Mbps is an acronym used to abbreviate “megabits per second (Mb/s)
USB 2.2 theoretical speed is 480 megabits per second (mbps), or 60 megabytes per second(MBps)
USB 3.0 theoretical speed is 5gbps (640MBps)
eSATA theoretical speed is 3Gbps (384MBps)