SD CARD: ADATA SDHC 8GB CLASS 10
WRITE
pi@raspberrypi ~ $ dd if=/dev/zero of=~/test.tmp bs=500K count=1024
1024+0 records in
1024+0 records out
524288000 bytes (524 MB) copied, 47.7796 s, 11.0 MB/s
READ
pi@raspberrypi ~ $ dd if=~/test.tmp of=/dev/null bs=500K count=1024
1024+0 records in
1024+0 records out
524288000 bytes (524 MB) copied, 24.1782 s, 21.7 MB/s
USB stick formateada en FAT
WRITE
dd if=/dev/zero of=test.tmp bs=500K count=1024
1024+0 records in
1024+0 records out
524288000 bytes (524 MB) copied, 108.334 s, 4.8 MB/s
READ
root@raspberrypi:/media# dd if=test.tmp of=/dev/null bs=500K count=1024
1024+0 records in
1024+0 records out
524288000 bytes (524 MB) copied, 33.7138 s, 15.6 MB/s
USB stick formateada en ext4
WRITE
pi@raspberrypi /web $ dd if=/dev/zero of=test.tmp bs=500K count=1024
1024+0 records in
1024+0 records out
524288000 bytes (524 MB) copied, 100.192 s, 5.2 MB/s
READ
pi@raspberrypi /web $ dd if=test.tmp of=/dev/null bs=500K count=1024
1024+0 records in
1024+0 records out
524288000 bytes (524 MB) copied, 35.162 s, 14.9 MB/s