probably not, I'm not sure how your board OC's so I can't tell you what the options for that would be, but if it is unlinked and allows you to set the mem to 400Mhz, go for it. Makes sure thats the RAM's actual bus speed and not the QDR, though. 400Mhz MEM QDR is an actual RAM bus of 200Mhz. It it reads "RAM QDR" put in 800Mhz.