ZOTAC GeForce GT220 1GB DDR2 PCI Express 2.0 DVI/HDMI/VGA Fanless Graphics Card, ZT-20204-20L NVIDIA GeForce GT 220 GPU, 1GB DDR2, 128-bit memory bus, Core Clock: 625 MHz, Processor Clock: 1360 MHz, Memory Clock: 800 MHz, PCI Express 2.0 x16 (compatible with 1.1) NVIDIA ForceWare Drivers, DirectX 10.1, OpenGL 3.2, Windows XP/Vista/7 NVIDIA PhysX Technology, NVIDIA CUDA Technology, NVIDIA Unified Atchitecture, NVIDIA Lumenex Engine, NVIDIA GigaThread Technology, Nvidia PureVideo HD Technology Dual-link DVI (Up to 2560x1600), HDMI, HDCP compatible, VGA ED 480p, HD 720p, HD 1080i, Full HD 1080p