China UHD 27" LED PC gaming monitor 4K high resolution 3840*2160 bezelless short lead time TN panel on Global Sources,4K PC monitor,27" UHD monitor,27" UHD LED monitor
Z-EDGE U28T4K 28" Ultra HD 4K UHD 3840 x 2160 TN LED Monitor, 300 cd/m2, HDR10, 1 ms Response Time, HDMIx2 + DPx2, Built-in Speakers, FreeSync Technology - Newegg.com
ASUS PB287Q 28" 4K UHD Flicker Free TN WLED Gaming Monitor with Stereo Speakers PB287Q
The Best 4K Monitors for 2021 | PCMag
ASUS VP28UQGL - LED-Monitor - 71.12 cm (28") - 3840 x 2160 4K - TN - 300 cd/m - Batzo Price Comparisons