Core frequency/memory frequency: 650/1066MHz Video memory capacity and specifications: 1G/64bit/GDDR3 3D features: DirectX 11.0 / OpenGL 4.5 Operating System (OS) Features: Windows XP, 7, and 10, both 32-bit and 64-bit versions Radiator: Original radiator Bus interface: PCI-Express 2.0 x 16 Output interface: HDMI *2 External power supply: None Half-height blocking piece: None Graphics card size/weight: 147*100*18 mm/135g Packaging size/weight: 360*200*60 mm/376g