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I got new SD card claimed to be 10 class of speed, but internal Disk utility in linux after test showed up only 6th class of speed. How can I check my card reader speed to be sure that it's not the limit of the device, but the limit of a card?

I don't have any approved SD cards to perform tests with them.

My card reader shows like this in lspci:

0000:07:00.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 05)
0000:07:00.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 22)
0000:07:00.2 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter (rev 12)
0000:07:00.3 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev 12)
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How did you perform the tests? –  bahamat Jun 22 '12 at 23:57
    
with gui tool "Disk utility" (read about it here: photographybanzai.com/2011/04/25/…) –  Drey Jun 24 '12 at 13:18

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