ZOTAC GeForce GTX 260 896MB 448-bi GDDR3 (576Mhz/1998MHz) Graphics card ZT-X26E3KG-FSP 896MB GDDR3, 448-bit memory bus, Core Clock: 576 MHz, Processor Core Clock: 1242 MHz, Memory Clock: 1998 MHz, PCI Express 2.0 NVIDIA ForceWare Drivers, DirectX 10, OpenGL 3.2, Windows XP/Vista/7 2nd Gen. NVIDIA Unified Architecture, NVIDIA PhysX, Lumenex Engine, GigaThread, PureVideo HD,SLI ready technologies, Extreme HD gaming Compatible Dual dual-link DVI (Up to 2560x1600), HDCP compatible, HDTV (component video), SLI connectors SLI ready ED 480p, HD 720p, HD 1080i, Full HD 1080p