We review the HIS Radeon HD 7770 GHz edition. HIS recently released an updated Radeon HD 7770 1GHz edition with their own custom model. They use their own custom 4-layer PCB and equipped it with a dual slot all silent cooling solution. We'll walk you through the standard reference technology and then place our focus on the HIS Radeon HD 7770 GHz edition.
Read the review here.
