Compact Flash Speed Test
by: DPREVIEW.COM

Brand / Name	Type	Performance: Read, Write
IBM Microdrive 1 GB	Type II	3,432 KB/s 23 x 3,247 KB/s 22 x
Pretec 640 MB	Type II	3,273 KB/s 22 x 2,426 KB/s 16 x
Lexar Pro 16x 512 MB	Type I	3,153 KB/s 21 x 2,041 KB/s 14 x
Ridata 512 MB	Type I	4,216 KB/s 28 x 2,366 KB/s 16 x
SanDisk 512 MB	Type I	2,085 KB/s 14 x 855 KB/s 6 x
SanDisk Ultra 512 MB	Type I	2,403 KB/s 16 x 1,755 KB/s 12 x
SimpleTech 512 MB	Type II	3,307 KB/s 22 x 2,288 KB/s 15 x
Viking 512 MB	Type I	4,116 KB/s 27 x 1,875 KB/s 13 x
IBM Microdrive 340 MB	Type II	2,712 KB/s 18 x 2,366 KB/s 16 x
Dane-Elec 320 MB	Type I	3,276 KB/s 22 x 1,188 KB/s 8 x
Lexar Pro 12x 320 MB	Type I	3,878 KB/s 26 x 1,496 KB/s 10 x
Kingston HiSp 256 MB	Type I	4,145 KB/s 28 x 2,256 KB/s 15 x
Viking 256 MB	Type I	4,130 KB/s 28 x 2,137 KB/s 14 x
Crucial 128 MB	Type I	3,294 KB/s 22 x 1,115 KB/s 7 x
Delkin Devices 128 MB	Type I	3,191 KB/s 21 x 1,864 KB/s 12 x
Viking 128 MB	Type I	4,130 KB/s 28 x 2,238 KB/s 15 x

When using a card reader the most important criteria will be read performance. In this respect the Ridata, Kingston, all Viking and Microtech cards all put in performances of 4 MB/sec or greater (which is seriously fast). Write speed appeared to be much more variable with the Dane-Elec, Crucial and SanDisk cards taking last place.

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