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Hard drive transfer rates? MB/sec compared to Gb/sec

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  • Hard drive transfer rates? MB/sec compared to Gb/sec

    Hi, I am looking to compare to hard drive data transfer rates, one measured in MB/sec, the other in Gb/sec. Can anyone help please?

    175MB/s vs 3 Gb/s - which is quicker, and by what percentage,

    Thanks in advance,

    GB

  • #2
    Re: Hard drive transfer rates? MB/sec compared to Gb/sec

    Originally posted by Unregistered
    Hi, I am looking to compare to hard drive data transfer rates, one measured in MB/sec, the other in Gb/sec. Can anyone help please?

    175MB/s vs 3 Gb/s - which is quicker, and by what percentage,

    Thanks in advance,

    GB
    Giga- means billion
    Mega- means million
    3 Gb/s = 3000 Mb/s

    Comment


    • #3
      Re: Hard drive transfer rates? MB/sec compared to Gb/sec

      Originally posted by JohnS
      Giga- means billion
      Mega- means million
      3 Gb/s = 3000 Mb/s
      Thank's for the reply - that's what I thought originally, but there is a difference between GB (gigabyte) and Gb (gigabit) & MB (Megabyte) and Mb (Megabit) I am looking to compare them on the same level. How many MB in a Gb, or Gb in an MB?
      Cheers

      Comment


      • #4
        Re: Hard drive transfer rates? MB/sec compared to Gb/sec

        Originally posted by Unregistered
        Thank's for the reply - that's what I thought originally, but there is a difference between GB (gigabyte) and Gb (gigabit) & MB (Megabyte) and Mb (Megabit) I am looking to compare them on the same level. How many MB in a Gb, or Gb in an MB?
        Cheers
        Sorry, I missed that subtlety. A byte (B) is 8 bits (b)
        so 175 MB/s = 1.4 Gb/s
        3 Gb/s = 3 Gb/s

        Comment


        • #5
          Re: Hard drive transfer rates? MB/sec compared to Gb/sec

          Originally posted by JohnS
          Sorry, I missed that subtlety. A byte (B) is 8 bits (b)
          so 175 MB/s = 1.4 Gb/s
          3 Gb/s = 3 Gb/s
          So the result is that 175 MB/s is roughly half the speed of 3Gb/s?

          Thanks for sorting that out for me,

          Gary

          Comment


          • #6
            Re: Hard drive transfer rates? MB/sec compared to Gb/sec

            Ok:

            1 Gbit/s = 1.000.000.000 bits/s.

            1 Mbyte/s = 8.000.000 bit/s.

            1 Gbit/s is (1000/8) faster than a Mbyte/s

            1 Gbit/S Is 125 Faster Than A Mbyte/S

            Comment

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