A MBps and MB/s refer to megabytes per second which are units of data transfer speed. Data transfer speeds measure how quickly data can be moved between different locations
megabit per second (symbol Mbit/s or Mb/s, often abbreviated "Mbps") is a unit of data transfer rate equal to:
1,000,000 bits per second.
1,000 kilobits per second.
125,000 bytes per second.
125 kilobytes per second.