Lowend HD 4xxx series Radeon. Vlask's chip:Core clocked to 625MHz and memory to 1GHz. XFX HD-455X-ZAF2 1GBXFX HD-455X-ZAF2 1GB XFX HD-455X-ZAF2 1GBXFX HD-455X-ZAF2 1GB XFX HD-455X-ZAF2 1GBXFX HD-455X-ZAF2 1GB