Features: 1.3GB 192Bit GDDR5: This gaming graphics card adopts 192bit, GDDR5 and 3GB memory size, taking graphics card performance to a new level. 2.3400MHZ Memory Clock: This desktop graphics card provides 783MHz GPU Clock, 3400MHz memory clock and 192 stream processing units. 3.3 Output Interface: This 3GB graphics card provides HD Multimedia Interface, DVI interface and VGA interface. Support for DirectX11 API and for CUDA 3.0. 4.Dual Cooling Fan: This GDDR5 graphics card is designed with dual cooling fans that can keep your system running cool. 5.Stable Performance: This 3GB CPU card adopts premium metal and electronics material, which ensures lower temperature, higher efficiency and stability. specification:Item Type: Gaming Graphics Card Material: Metal, Electronic Graphics Card Model: GTX550Ti 3GD5 Graphics Card Core: GF116 Memory Size: 3072M(3GB) Memory Type: GDDR5 Memory Bit Width: 192bit Memory Clock: 3400MHZ GPU Clock: 783MHZ Stream Processing Unit (SP): 192 Bus Connector: PCI Express 2.0 Maximum Resolution: 2048x1024 For Directx Support: for DirectX11 Graphics Card Power Consumption: 115W External Power Supply: Yes Recommended Power: 300W Graphics Card Heat Dissipation: Air Cooling Output Port: HD Multimedia Interface, DVI interface and VGA interface. PackageList:1 x Gaming Graphics Card 1xPowerCable 1 xCD 1 x User Manual