I have 2*2gb corsair 1333mhz ddr3 at 9-9-9-24 that i am using in dual channel config. I also have a kingston 2gb 1333mhz ddr3 at 9-9-9-24 which i was using before the corsair kit. I am thinking of hooking it to the rig, but will loose dual channel config. Should i hook it up or not?