V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
MBPS
       MegaBits Per Second (BIT)
The Free On-line Dictionary of Computing (30 December 2018):
megabits per second
mbps
    (Mbps, Mb/s) Millions of bits per second.  A unit of
   data rate.  1 Mb/s = 1,000,000 bits per second (not
   1,048,576).
   E.g. Ethernet can carry 10 Mbps.
   (2002-03-23)
The Free On-line Dictionary of Computing (30 December 2018):
megabytes per second
MBps
    (MBps, MB/s) Millions of bytes per second.  A unit of
   data rate.  1 MB/s = 1,000,000 bytes per second (not
   1,048,576).
   (2007-02-20)