"RAID 0 is based on idea to write/read data from multiple harddisks in the same time. The controller strips a file in smaller fragments of the user defined strip size and sends the fragments to every harddisk in the array. Supposing that you configure the controller to use a 32Kb strip size and you deal with a 256Kb file and you have two harddisks in the array every one of them receives simultaneous 4 fragments."
FULL STORY @ PCHARDWARE (http://www.pchardware.ro/Reviews/review.php?id=125)