Kingston 2GB microSD (Transflash) SDC/2GB-2ADP
sync; time sh -c "dd if=/dev/zero of=/media/mmc1/testfile bs=1M count=100; sync"
100+0 records in
100+0 records out
real 0m 34.10s
user 0m 0.00s
sys 0m 2.07s

time dd if=/media/mmc1/testfile of=/dev/null bs=1M100+0 records in100+0 records out
100+0 records in
100+0 records out
real 0m 11.08s
user 0m 0.00s
sys 0m 1.02s

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