This is a Korean monitor that uses the same panels that high end Apple and Dell use. 1440p.
Specs:
LCD type: LG S-IPS 8-bit LED
Viewable image size: 27.0"
Pixel area: 0.2331mm²
Max brightness: 380 cd/m²
Contrast ratio: 1000:1
Color support: 16 million
Color gamut: 72%
Resolution: 2560 × 1440 @ 60Hz
Horizontal frequency: 30 ~ 81kHz
Vertical frequency: 56 ~ 75Hz
Response time: 6ms (GTG)
Viewing angle: 178°/178°
Video port: (1) DVI (dual-link)
Power source: DC 24V 5A
Power consumption: <65W, <1W standby
VESA support: Yes (100 x 100 mm)
Display measurements: 645 (W) X 385 (H) X 445 (T) mm
Weight: ~15 lbs
Looks like there is a group of 4 or 5 dead pixels where the cursor is in the upper right hand corner. Comes with the cables needed to convert power and to adapt from Display port to DVI if needed. $180 OBO for everything.