Dell U2713HM 27-Inch Screen LED-lit Monitor
http://www.amazon.com/gp/product/B009H0XQQY?tag=sukses2015-20

Rest easy with a 3-year Limited Hardware Warranty and 3 years of Dells Advanced Exchange Service
WQHD resolution and accurate colors out of the box Superb clarity with 2560 x 1440 resolution and over 36 million pixels Features a color gamut of more than 99-percent sRGB
Excellent comfort and usability Full adjustability including swivel tilt height adjustability and pivot which lets you easily switch to portrait mode
Compliant with the latest environmental standards