You mean overclocking your CPU or GPU? If it's your GPU I can help you there. I OC'ed my ATI 9600SE from 325/400 stock speeds to 480/500 speeds. It's amazing what a good old COOLER MASTER PSU can do for your system... you people have underestimated COOLER MASTER... I came here before asking about Cooler Master as a Manufacturer and by golly they make SOLID PRODUCTS! OH YAY? Oh YAY!