BenQ 27-inch DesignVue Designer IPS Monitor with 2K QHD 1440p, 100% sRGB, AQCOLOR Technology, Darkroom, Animation, CAD/CAM Mode, Dualview Function, Display Pilot Software, Built-in Speaker - PD2700Q (Black) (the best one in the market soley for editing purpose)
LG 25-inch (63.5 cm) UltraWide Multitasking Monitor with Full HD (2560 x 1080) IPS Panel, HDMI Port, AMD Freesync - 25UM58 (Black)(mid range and a good option)
LG 22 inch (55cm) IPS Monitor - Full HD, IPS Panel with VGA, HDMI, DVI, Audio Out Ports - 22MP68VQ(budget one and i personally use this one and the color gamut is good so as the viewing angles so i guess it will be a good editing monitor too)
Going with those specs that you’ve mentioned you are building an absolute beast of a workstation so personally i’ll recommend benq 27 inches monitor as you will have the processing power to churn out high quality video stuff!the main things to look before buying a monitor for whatever purpose is its size,resolution and panel type!
some more options -
Acer 31.5 inch 2560 x 1440 WQHD IPS Panel Monitor - Eye Care Features, Blue Light Filter, Flickerless
SAMSUNG LC27F591 – 27″ CURVED MONITOR FOR VIDEO EDITING
(WITH THOSE SPECS YOU CAN OPT FOR A 4K MONITOR TOO)
LG 27 inch 4K-UHD (3840 x 2160) HDR 10 Monitor (Gaming & Design) with IPS Panel, HDMI x 2, Display Port, AMD Freesync - 27UL500 (Silver Stand with White Body)
LG 24 inch (60.45 cm) Gaming 4K UHD LED Monitor - 4K UHD, IPS Panel with HDMI, Display, Audio Out, Heaphone Ports
UPS IS A BETTER OPTION WHEN IT COMES TO PC RATHER THAN A INVERTER AND FOR YOUR PC UPS SHOULD BE A REQUIREMENT! 
ALL THE BEST WITH YOUR PC BUILD AND EDITING WORK!
!