Experience breathtaking visual details & clarity with Microsoft Direct X 11 technology & the ZOTAC Ge Force GTX 550 Ti graphics card. Packing powerful unified shaders & abundant amounts of memory connected via a wide memory interface, the ZOTAC Ge Force GTX 550 Ti delivers a performance punch in all the latest 3D games & applications. NVIDIA Phys X technology takes immersion to the next level with intense realism & accurate effects for virtual interaction that mimics reality with the ZOTAC Ge Force GTX 550 Ti & Phys X-enabled games. NVIDIA 3D Vision™ technology takes the ZOTAC Ge Force GTX 550 Ti to the third dimension with stereoscopic 3D gaming capabilities when paired with compatible 3D hardware for an unmatched 3D experience. Model Model ZT-50404-10L Interface Interface PCI Express 2.0 x 16 (Compatible with 1.1) Chipset Chipset Manufacturer NVIDIA GPU Ge Force GTX 550 TI Core clock 900 MHz Stream Processors 192 Shader Clock 1800 MHz Memory Memory Clock 4100 MHz Memory Size 1GB Memory Interface 192-bit Memory Type GDDR5 3D API Direct X Direct X 11 Open GL Open GL 4.1 Ports DVI 2 (DVI-I) HDMI 1 (mini-HDMI) (1080p w/ Dolby True HD™ & DTS-HD™ Master Audio bit streaming ready) Display Port NA VGA (With included DVI-to-VGA adapter) General Tuner None RAMDAC 400 MHz Max Resolution 2560 x 1600 Ro HS Compliant Yes SLI Supported Yes Cooler With Fan Dual-Link DVI Supported Yes Windows Vista Certified for Windows 7 with Direct Compute support Packaging Package Contents ZT-50404-10L Driver Disk ZOTAC Boost Premium User Manual DVI-to-VGA adapter Dual MOLEX-to-6-pin PCIe power cable Game Bundle NA