not sure if this is even possible as i'm a newb wen it comes to storage, but i just got 4 seagate 18lp's for free and plan to raid them. they are 18.2 gb each and are ultra-2 scsi.. i have a 300watt psu and not really sure if it can handle it + a rw and a 52x cd-rom.. ne1 got ne idea?