BenQ 27-Inch IPS Ultra High Definition LED Monitor (BL2711U)

Panel: AHVA (IPS) 
Display size: 27
Resolution: 3840x2160 at 60Hz(DP, HDMI-2) 3840x2160 at 30Hz(DVI, HDMI-1) 
Dynamic Contrast Radio: 20Mil:1 
Response Time: 4ms (GtG) 
D-Sub: NA
DVI: 1 x
HDMI/HML: 1x v1.4, 1x v2.0 
Speakers: 2x 3W