This monitor was just released by Dell. It comes with a 3 year warranty, is brand new factory sealed. Specifications can be found below:

TECH SPECS

General
Display Type
LED-backlit LCD monitor / TFT active matrix
Diagonal Size
27"
Adaptive-Sync Technology
VESA Adaptive-Sync, AMD FreeSync Premium Pro, NVIDIA G-SYNC Compatible
Built-in Devices
AlienFX lighting system, USB 3.2 Gen 1 hub
Panel Type
Fast IPS Nano Color
Aspect Ratio
16:9
Native Resolution
QHD 2560 x 1440 (DisplayPort(OC): 280 Hz, DisplayPort: 240 Hz, HDMI: 144 Hz)
Pixel Pitch
0.23 mm
Pixel Per Inch
109
Brightness
600 cd/m²
Contrast Ratio
1000:1 / 1000:1 (dynamic)
Colour Support
1.07 billion colours
Colour Gamut
100% sRGB, 95% DCI-P3
Response Time
1 ms (grey-to-grey extreme)
Gaming
Yes
Horizontal Viewing Angle
178
Vertical Viewing Angle
178
Screen Coating
Anti-glare
Backlight Technology
LED backlight
Features
Picture in picture, picture by picture, LED edgelight system, FPS Mode, RTS Mode, Mercury free, arsenic-free glass, Sports Mode, 3 gaming modes, Low Blue Light technology, Dell ComfortView Plus
Colour
Lunar light
Dimensions (WxDxH)
60.66 cm x 26.802 cm x 40.625 cm - with stand (lowest position)
Connectivity
Interfaces
  • 2 x HDMI
  • DisplayPort 1.4
  • USB 3.2 Gen 1 downstream with Battery Charging 1.2
  • 3 x USB 3.2 Gen 1 downstream
  • USB 3.2 Gen 1 upstream
  • Headphones
  • Audio line-out