Lets use this thread to make a list of usefull tools which overclockers use. Prime 95- Cpu and memory stability test Memtest- Memory Stability HD tune- hard drive benchmark Everest- Multifunction hardware analysis. Great memory benchmark. Sis Soft Sandra- Multifunction hardware analysis Core Temp- CPU temperature (measures top of die, unlike other monitors) CPU Z- reports cpu and ram speeds. GPU Z- for graphics card speed reporting. Memset- For advanced ram timing and subtiming tweaking. Open for suggestions.