When I boot my pc during the post I see 'DDR3 1333' I have DDR3 1600 in my pc so does this mean its not running at the proper speed and if not is it ok to set it at 1600 in the BIOS as im sure its set to 'Auto' ATM also ive noticed in 'CPU-Z' under 'Memory' it says 669Mhz.
Many thanks