(if) He bought it together, its problable they are all from the same bad batch.
test individual sticks to see where is the actual culprit.
I dont know; Seems like small leg room in case he goes SLI or something. Nevertheless, thank you for correcting me and I apoligize for the error.
Also that card is rated at 64W for the Thermal Requirements; minimum PSU is 400W, so a 550 is more than enough for it (http://www.geforce.c...pecifications); riahc3 i think you got confused...