ViewMax NVIDIA GeForce GTS 450 2GB GDDR3 SLI PCI Express (PCIe) DVI Video Card w/HDMI & HDCP Support *** PRO GAMING GRADE ** ViewMax NVIDIA GeForce GTS 450 2GB GDDR3 SLI PCI Express (PCIe) DVI Video Card w/HDMI & HDCP Support NVIDIA GeForce GTS 450 ( 40% Faster GT Version ) 144 CUDA Cores, GDDR3 1333 GHz Effective Memory Clock and 1333 MHz Shader Clock. Interface: PCI-E 2.0 16x, DVI-I, HDMI and SLI Capable NVIDIA Adaptive Vertical Sync technology, NVIDIA Unified Architecture, NVIDIA PhysX technology, NVIDIA CUDA technology, Hardware Video Decode Acceleration, Blu-ray 3D ready, HDMI xvYcc Color & Deep Color technologies, Lossless audio bit stream capable DVI (Up to 2560x1600), HDMI 1.4a (w/audio 16-channel), VGA , Dual simultaneous display capable, HDCP compliant, Full HD 1080p, 450-watt power supply recommended, 75-watt max power consumption - Microsoft Windows XP/Vista/7 x86/x64/Win 8/Win 10