ModelBrandSPARKLEModelSXS4501024D5SNMInterfaceInterfacePCI Express 2.0 x16ChipsetChipset ManufacturerNVIDIAGPUGeForce GTS 450 (Fermi)Core Clock789MHzShader Clock1579MHzStream Processors192 Processor CoresMemoryEffective Memory Clock3760MHzMemory Size1GBMemory Interface128-bitMemory TypeGDDR53D APIDirectXDirectX 11OpenGLOpenGL 4.0PortsHDMI1 x Mini-HDMI 1.4a connectorDVI2 x DVIGeneralRAMDAC400 MHzMax Resolution2560 x 1600SLI SupportSLI ReadyCoolerWith FanSystem RequirementsMinimum 400W or greater system power supply (with a minimum 12V current rating of 22A)Power Connector6 PinDual-Link DVI SupportedYesHDCP ReadyYesCard Dimensions8.24" x 4.39"FeaturesFeaturesNVIDIA CUDA technology with CUDA C/C++,DirectCompute 5.0 and OpenCL supportNVIDIA PhysX technologyNVIDIA 3D Vision ReadyNVIDIA PureVideo HD technologyHardware Video Decode AccelerationTrueHD and DTS-HD Audio Bitstreaming Support