i have 2 diffrent drives a 120 and a 180. i know the 180 will go down to a 120 the specs are basically the same but for some reason the 180 has a slower write/read time then the 120. if i raid 0 these and use them as my default drive for the os and some programs will. it be slower then a single platter 500 gb i think that reads writes at about 90/60 or something like that. also i herd the ga-890fx has 4x the speed with raid 0 so idk if that helps or not i cant find any proof of concept on it.