Features include an array of parallel vertex engines, fully programmable pixel pipelines, a high-speed graphics memory bus, and next-generation memory architecture: 512 MB 400 MHz DDR-2 graphics memory DVI-I (dual-link) and DVI-I (single-link) and HD-out Optimized for OpenGL® 2.1 and DirectX® 10 applications Multi-display productivity, Compatibility: HP xw4550 and xw9400 Workstations, Quadro FX 1700 is certified on all industry-leading CAD, DCC, and visualization applications