On 1/26/2013 4:47 PM, Andrew Lynch wrote:

However I suspect the SD will have noticeably reduced performance

relative to the IDE/CF due to the serialized nature of SD

SD /can/ support 4-bit nibbles at a 50 MHz clock rate. That's a 25 MByte

per second transfer rate. I think newer devices can go double data rate

beyond that...

Plus it has zero rotational latency and zero seek times.

That's pretty respectable compared to IDE disks.

Rob Doyle