MSI Announces its Radeon HD 7700 Series Products | VideoCardz.com
SAPPHIRE HD7770 1GB Video Cards GDDR5 128bit Graphics Card For AMD 7700 series Radeon HD 7770 HD 7770 1G HDMI DVI VGA Used|Graphics Cards| - AliExpress
Can you still game on AMD HD 7770 2GB today? - YouTube
AMD Radeon HD 7770 & 7750 Crossfire Performance | TechSpot