VirtualBox I/O Benchmark

4 CPU
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* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :   245.367 MB/s
          Sequential Write :    73.734 MB/s
         Random Read 512KB :   205.058 MB/s
        Random Write 512KB :    43.151 MB/s
    Random Read 4KB (QD=1) :     5.573 MB/s [  1360.7 IOPS]
   Random Write 4KB (QD=1) :     5.589 MB/s [  1364.6 IOPS]
   Random Read 4KB (QD=32) :    27.106 MB/s [  6617.6 IOPS]
  Random Write 4KB (QD=32) :    12.870 MB/s [  3142.1 IOPS]

  Test : 1000 MB [C: 80.8% (24.2/30.0 GB)] (x1)
  Date : 2012/02/16 2:08:53
    OS : Windows XP Professional SP3 [5.1 Build 2600] (x86)

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1 CPU
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* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

           Sequential Read :   323.385 MB/s
          Sequential Write :    54.822 MB/s
         Random Read 512KB :   281.578 MB/s
        Random Write 512KB :    34.915 MB/s
    Random Read 4KB (QD=1) :    27.716 MB/s [  6766.6 IOPS]
   Random Write 4KB (QD=1) :     8.490 MB/s [  2072.7 IOPS]
   Random Read 4KB (QD=32) :    28.099 MB/s [  6860.2 IOPS]
  Random Write 4KB (QD=32) :     9.336 MB/s [  2279.3 IOPS]

  Test : 1000 MB [C: 80.0% (24.0/30.0 GB)] (x1)
  Date : 2012/02/16 2:14:51
    OS : Windows XP Professional SP3 [5.1 Build 2600] (x86)