Of course, good overclocking is only possible with good cooling setup. By using Liquid Nitrogen (LN2) cooling, ASRock Z77 Extreme6 motherboard is allowed to achieve the highest value of CPU overclocking at 6.9GHz! Moreover, the PC is even able to run Super PI 1M calculation programs stably and costs 5.304 seconds merely. Whoop! That’s really amazing and exciting.