HP ZR30w 30" S-IPS LCD Monitor 30" high-definition widescreen flat-panel LCD delivers brilliant visuals, while an antiglare treatment maintains visibility when the monitor is placed close to a light source 3000:1 dynamic contrast ratio (1000:1 typical) ensures accurate color reproduction by providing a high number of shades between black and white for rich, bold image quality 2560 x 1600 resolution creates a high level of picture detail for a clear, bold display Self-powered USB 2.0 hub with 1 upstream port and 4 downstream ports offers simple connection 6-way adjustable stand provides tilt (with -5 to 35 tilt capability), swivel (with 45 left/right swivel capability), and height adjustment in the column, helping you improve productivity throughout the day