Features include an array of parallel vertex engines, fully programmable pixel pipelines, a high-speed graphics memory bus, and next-generation memory architecture: 256 MB 400MHz DDR2 SDRAM DVI-I (dual-link) and DVI-I (single-link) Optimized for OpenGL® 2.1 and DirectX® 10 applications Multi-display productivity, compatibility: HP xw4550 and xw9400 Workstations