Dell

Diagonal Size      27″
Panel Type           IPS
Resolution           4K UHD (3840 x 2160) at 180HZ
Response time    0.5ms GTG, 1ms GTG (Extreme Mode)
Brightness            400 cd/m2 (typical), 600 cd/m2 (HDR peak)
Pixel Pitch             0.1554 mm x 0.1554 mm