CrystalDiskMark 3.0.1 x64 © 2007-2010 hiyohiyo
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Kingston 32 GB microSDHC class 4
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Sequential Read : 18.461 MB/s
Sequential Write : 4.648 MB/s
Random Read 512KB : 17.050 MB/s
Random Write 512KB : 0.703 MB/s
Random Read 4KB (QD=1) : 1.995 MB/s [ 487.2 IOPS]
Random Write 4KB (QD=1) : 0.006 MB/s [ 1.4 IOPS]
Random Read 4KB (QD=32) : 2.160 MB/s [ 527.3 IOPS]
Random Write 4KB (QD=32) : 0.007 MB/s [ 1.8 IOPS]
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Kingston 16 GB microSDHC class 4
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Sequential Read : 9.482 MB/s
Sequential Write : 4.087 MB/s
Random Read 512KB : 9.306 MB/s
Random Write 512KB : 0.647 MB/s
Random Read 4KB (QD=1) : 1.082 MB/s [ 264.1 IOPS]
Random Write 4KB (QD=1) : 0.006 MB/s [ 1.4 IOPS]
Random Read 4KB (QD=32) : 1.901 MB/s [ 464.1 IOPS]
Random Write 4KB (QD=32) : 0.008 MB/s [ 1.9 IOPS]
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Sequential Read : 18.905 MB/s
Sequential Write : 4.814 MB/s
Random Read 512KB : 18.127 MB/s
Random Write 512KB : 0.725 MB/s
Random Read 4KB (QD=1) : 2.155 MB/s [ 526.1 IOPS]
Random Write 4KB (QD=1) : 0.006 MB/s [ 1.4 IOPS]
Random Read 4KB (QD=32) : 2.280 MB/s [ 556.6 IOPS]
Random Write 4KB (QD=32) : 0.006 MB/s [ 1.4 IOPS]
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Silicon Power 16 GB microSDHC Class 10
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Sequential Read : 20.225 MB/s
Sequential Write : 18.924 MB/s
Random Read 512KB : 19.932 MB/s
Random Write 512KB : 7.097 MB/s
Random Read 4KB : 3.323 MB/s
Random Write 4KB : 0.847 MB/s
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Sequential Read : 19.575 MB/s
Sequential Write : 17.319 MB/s
Random Read 512KB : 19.024 MB/s
Random Write 512KB : 1.134 MB/s
Random Read 4KB (QD=1) : 2.830 MB/s [ 690.8 IOPS]
Random Write 4KB (QD=1) : 0.010 MB/s [ 2.4 IOPS]
Random Read 4KB (QD=32) : 2.981 MB/s [ 727.9 IOPS]
Random Write 4KB (QD=32) : 0.010 MB/s [ 2.4 IOPS]
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Transcend 16 GB microSDHC class 4
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Sequential Read : 15.773 MB/s
Sequential Write : 4.289 MB/s
Random Read 512KB : 15.754 MB/s
Random Write 512KB : 1.020 MB/s
Random Read 4KB (QD=1) : 2.991 MB/s [ 730.2 IOPS]
Random Write 4KB (QD=1) : 1.008 MB/s [ 246.1 IOPS]
Random Read 4KB (QD=32) : 2.918 MB/s [ 712.3 IOPS]
Random Write 4KB (QD=32) : 0.656 MB/s [ 160.2 IOPS]
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SanDisk 16 GB microSDHC Mobile Ultra
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Sequential Read : 20.856 MB/s
Sequential Write : 12.198 MB/s
Random Read 512KB : 20.279 MB/s
Random Write 512KB : 0.882 MB/s
Random Read 4KB (QD=1) : 3.423 MB/s [ 835.6 IOPS]
Random Write 4KB (QD=1) : 1.560 MB/s [ 380.8 IOPS]
Random Read 4KB (QD=32) : 3.160 MB/s [ 771.5 IOPS]
Random Write 4KB (QD=32) : 0.622 MB/s [ 151.9 IOPS]
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SanDisk 32 GB microSDHC Class 4
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Sequential Read : 20.047 MB/s
Sequential Write : 5.176 MB/s
Random Read 512KB : 19.412 MB/s
Random Write 512KB : 1.387 MB/s
Random Read 4KB (QD=1) : 3.025 MB/s [ 738.4 IOPS]
Random Write 4KB (QD=1) : 1.300 MB/s [ 317.5 IOPS]
Random Read 4KB (QD=32) : 2.837 MB/s [ 692.6 IOPS]
Random Write 4KB (QD=32) : 0.801 MB/s [ 195.5 IOPS]
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Sequential Read : 10.850 MB/s
Sequential Write : 6.036 MB/s
Random Read 512KB : 10.667 MB/s
Random Write 512KB : 1.653 MB/s
Random Read 4KB (QD=1) : 2.644 MB/s [ 645.6 IOPS]
Random Write 4KB (QD=1) : 0.433 MB/s [ 105.6 IOPS]
Random Read 4KB (QD=32) : 2.923 MB/s [ 713.6 IOPS]
Random Write 4KB (QD=32) : 0.454 MB/s [ 110.7 IOPS]
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GOODRAM 32 GB microSDHC class 10
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Sequential Read : 22.103 MB/s
Sequential Write : 12.181 MB/s
Random Read 512KB : 21.555 MB/s
Random Write 512KB : 11.986 MB/s
Random Read 4KB (QD=1) : 6.753 MB/s [ 1648.7 IOPS]
Random Write 4KB (QD=1) : 1.285 MB/s [ 313.8 IOPS]
Random Read 4KB (QD=32) : 8.078 MB/s [ 1972.3 IOPS]
Random Write 4KB (QD=32) : 1.330 MB/s [ 324.8 IOPS]
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Sequential Read : 22.898 MB/s
Sequential Write : 15.446 MB/s
Random Read 512KB : 22.565 MB/s
Random Write 512KB : 13.079 MB/s
Random Read 4KB (QD=1) : 6.159 MB/s [ 1503.7 IOPS]
Random Write 4KB (QD=1) : 1.224 MB/s [ 298.8 IOPS]
Random Read 4KB (QD=32) : 6.833 MB/s [ 1668.3 IOPS]
Random Write 4KB (QD=32) : 1.086 MB/s [ 265.2 IOPS]
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GOODRAM 16 GB microSDHC class 10
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Sequential Read : 20.007 MB/s
Sequential Write : 12.626 MB/s
Random Read 512KB : 19.679 MB/s
Random Write 512KB : 12.124 MB/s
Random Read 4KB (QD=1) : 4.397 MB/s [ 1073.5 IOPS]
Random Write 4KB (QD=1) : 2.789 MB/s [ 681.0 IOPS]
Random Read 4KB (QD=32) : 5.808 MB/s [ 1417.9 IOPS]
Random Write 4KB (QD=32) : 2.645 MB/s [ 645.8 IOPS]
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Sequential Read : 23.055 MB/s
Sequential Write : 13.275 MB/s
Random Read 512KB : 22.498 MB/s
Random Write 512KB : 4.763 MB/s
Random Read 4KB (QD=1) : 6.327 MB/s [ 1544.6 IOPS]
Random Write 4KB (QD=1) : 0.957 MB/s [ 233.7 IOPS]
Random Read 4KB (QD=32) : 6.798 MB/s [ 1659.6 IOPS]
Random Write 4KB (QD=32) : 0.615 MB/s [ 150.1 IOPS]
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A-Data 32 GB microSDHC class 10
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Sequential Read : 18.854 MB/s
Sequential Write : 8.659 MB/s
Random Read 512KB : 18.130 MB/s
Random Write 512KB : 1.129 MB/s
Random Read 4KB (QD=1) : 2.565 MB/s [ 626.2 IOPS]
Random Write 4KB (QD=1) : 1.136 MB/s [ 277.4 IOPS]
Random Read 4KB (QD=32) : 2.649 MB/s [ 646.7 IOPS]
Random Write 4KB (QD=32) : 1.117 MB/s [ 272.6 IOPS]
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Sequential Read : 19.922 MB/s
Sequential Write : 10.785 MB/s
Random Read 512KB : 19.103 MB/s
Random Write 512KB : 0.926 MB/s
Random Read 4KB (QD=1) : 2.587 MB/s [ 631.6 IOPS]
Random Write 4KB (QD=1) : 1.062 MB/s [ 259.2 IOPS]
Random Read 4KB (QD=32) : 3.060 MB/s [ 747.2 IOPS]
Random Write 4KB (QD=32) : 1.182 MB/s [ 288.6 IOPS]
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A-Data 32 GB microSDHC UHS-I
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Sequential Read : 24.976 MB/s
Sequential Write : 4.818 MB/s
Random Read 512KB : 23.613 MB/s
Random Write 512KB : 0.584 MB/s
Random Read 4KB (QD=1) : 2.957 MB/s [ 722.0 IOPS]
Random Write 4KB (QD=1) : 1.520 MB/s [ 371.1 IOPS]
Random Read 4KB (QD=32) : 2.669 MB/s [ 651.5 IOPS]
Random Write 4KB (QD=32) : 1.546 MB/s [ 377.4 IOPS]
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