BuyDig.com has 27″ LG 27UK500-B 4K UHD HDR10 IPS FreeSync Monitor on sale for $295.99 when you apply promo code UNY24. Shipping is free.
Specs:
Resolution: 3840×2160 (4K UHD)
Refresh Rate: 60Hz
Response Time: 5ms
Viewing Angles: 178/178 degrees
HDR10 FreeSync sRGB 98% color gamut
VESA Mount: 100x100mm
Ports:
2x HDMI 2.0
1x DisplayPort 1.2