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Windows 7 32/64bit Thermal Design Power 180W System Requirements Minimum of a 500-Watt power supply
Rcommend 1GB of system memory
1 x16 Chipset Chipset Manufacturer AMD GPU Radeon HD 6850 Core Clock 820MHz Stream Processors 960 Stream Processors Memory Effective Memory Clock 1100MHz (4
0 x16 Chipset Chipset Manufacturer AMD GPU Series Cayman GPU Cayman PRO GL Core Clock 1250 MHz Boost Clock 5000 MHz Stream Processors 1280 Stream Processors Memory Effective Memory Clock 5000 MHz effective Memory Size 2GB Memory Interface 256-Bit Memory Type GDDR5 3D API DirectX DirectX 11 OpenGL OpenCL 1
GIGABYTE GeForce GT 640 2GB DDR3 PCI Express 3.0 x16 Video Card GV-N640OC-2GI GPU Windows 7 32/64bit Thermal DesignBrand GIGABYTE Model GV N640OC 2GI Interface Interface PCI Express 3. 0 x16 Chipset Chipset Manufacturer NVIDIA GPU GeForce GT 640 Core Clock 1050 MHz CUDA Cores 384 Memory Effective Memory Clock 1800 MHz Memory Size 2GB Memory Interface 128 Bit Memory Type DDR3 3D API DirectX DirectX 11 OpenGL OpenGL 4. 2 Ports HDMI 1 x HDMI D SUB 1 x D SUB DVI 2 x DVI Details RAMDAC 400MHz Max Resolution 2560 x 1600 SLI Support No Cooler Single Fan System