Taipei, Taiwan, 30 April, 2010 – GIGABYTE, a leading manufacturer of motherboards and graphics cards, continues the global graphics card overclocking competition at HWBOT. The first OC Guru challenge has ended with winners taking home USD $1,500 cash, a brand new HD 5870 SOC graphics card, and HD 5750 silent cell with passive cooling. This time GIGABYTE’s second OC Guru challenge, OC Guru is YOU! - GIGABYTE AMD HD 5000 Series OC Challenge, expands the range of prizes to include not only GIGABYTE graphics cards but also GIGABYTE motherboards. Whether you have joined us the first time, contestants around the world are encouraged to participate in this challenge at HWBOT.