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  4. reading data rate in scazzi harddisk?

reading data rate in scazzi harddisk?

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  • A Offline
    A Offline
    Andy Rama
    wrote on last edited by
    #1

    Can I read data at rate of 400MBps or more in Scazzi Harddisk?

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    • A Andy Rama

      Can I read data at rate of 400MBps or more in Scazzi Harddisk?

      D Offline
      D Offline
      Dave Kreskowiak
      wrote on last edited by
      #2

      You'll have to clarify this a bit. Are you looking to TEST the data rate or are you trying to see what the drive says about itself?? And it's SCSI (pronounced SCUZI)...

      Dave Kreskowiak Microsoft MVP - Visual Basic

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      • A Andy Rama

        Can I read data at rate of 400MBps or more in Scazzi Harddisk?

        M Offline
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        Mike Dimmick
        wrote on last edited by
        #3

        No. Even 15000rpm SCSI disks cannot sustain this transfer rate. The quoted transfer rates on Parallel IDE (133MBps), Serial ATA (1.2Gbps, 2.4Gbps for SATA-II), Ultra Wide SCSI 320 (320MBps) and Serial Attached SCSI (SAS, 3.0Gbps) are simply the theoretical speeds available on the transfer bus. If reading from or writing to the drive's on-board cache, this transfer rate can be achieved, but only (of course) up to the capacity of the cache, which is typically in the 8MB to 16MB range.

        Stability. What an interesting concept. -- Chris Maunder

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        • M Mike Dimmick

          No. Even 15000rpm SCSI disks cannot sustain this transfer rate. The quoted transfer rates on Parallel IDE (133MBps), Serial ATA (1.2Gbps, 2.4Gbps for SATA-II), Ultra Wide SCSI 320 (320MBps) and Serial Attached SCSI (SAS, 3.0Gbps) are simply the theoretical speeds available on the transfer bus. If reading from or writing to the drive's on-board cache, this transfer rate can be achieved, but only (of course) up to the capacity of the cache, which is typically in the 8MB to 16MB range.

          Stability. What an interesting concept. -- Chris Maunder

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          D Offline
          Dan Neely
          wrote on last edited by
          #4

          Once you've flushed/saturated the cache, a 7200 rpm drive will run at ~66Mbps.

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