The Acer EB321HQU Cbidpx 31.5″ LCD with LED-backlit display combines stylish functionality with amazing 2560 x 1440 resolution, allowing you to enjoy High-Definition entertainment in the comfort of your home. Incredible 100,000,000:1 contrast ratio and rapid 4ms response time highlight the advanced technology. The EB321HQU Cbidpx LCD also features Display, HDMI & DVI ports for greater compatibility. (UM.JE1AA.C01). Brightness 300 cd/m² and Power 50 W (Power On).