Zotac GeForce 210 GPU, 16 Unified Shaders, 1 GB DDR2 (Low Profile and Fanless) 64-bit Memory Bus, 520MHz/667MHz PCI-Express Card ZT-20305-10L NVIDIA GeForce 210 GPU, 1GB DDR2, 16 Unified Shaders, 64-bit memory bus, Core clock: 520 MHz, Shader Clock: 1040 MHz, Memory Clock: 667 MHz, PCI Express 2.0 (compatible with 1.1) DirectX 10.1 support, OpenGL 3.2, NVIDIA ForceWare Drivers, Windows XP/Vista/7 NVIDIA Unified Architecture, NVIDIA CUDA Technology, NVIDIA Lumenex Engine, NVIDIA GigaThread Technology, NVIDIA PureVideo HD technology Dual-link DVI (Up to 2560x1600), HDMI with audio, HDCP compatible, VGA ED 480p, HD 720p, HD 1080i, Full HD 1080p