This monitor used it's selling on Amazon for $365
ASUS 27" 1440P Eye Care Monitor (PB278Q) - QHD (2560 x 1440), IPS, DisplayPort, HDMI, DVI

Upgraded. Selling my old monitors (see other listings)
Incredible condition, amazing monitor
Brand ASUS
Screen Size 27 Inches
Resolution QHD Wide 1440p
Aspect Ratio1.78:1
Screen Surface DescriptionGlossy
Image Contrast Ratio80,000,000:1
Impeccable lifelike visuals with 27” 16:9 2560 x 1440 with 100% sRGB and 178° wide-viewing angle
ASUS Eye care technology with Flicker free for less Eye fatigue; Ergonomically-designed stand with Tilt, Swivel, Pivot, Height adjustment plus wall-mount capability for comfortable viewing position
Extensive connectivity with native WQHD content support with HDMI, DisplayPort, and Dual-link DVI
ASUS-exclusive QuickFit Virtual Scale and Splendid Video Intelligence Technology for true ‘what you see is what you get’
Works with Mac. Audio features stereo speakers : 3W x 2 Stereo RMS ; Power Off Mode:<0.5 Watt
50 - 75 hertz