Firestream 9270 Pcie 2GB General Features: Interface: PCI Express 2.0 x16 GPU: FireStream 9270 800 Stream Processing Units Memory Clock: 850 MHz Memory Size: 2GB Memory Interface: 256-bit @ 850 MHz Memory Type: GDDR5 Open GL Version 3.0 Shader Model: 4.0 DirectX 10.1 Over 1 TFLOPS raw single precision performance 240 GFLOPS raw double precision performance Connectors: One (1) DVI port Unit Dimensions: 1.5 x 9.5 x 3.8-inches (H x W x D)