Microcenter has the HP OMEN X Emperium 64.5" 4K UHD 144Hz DP HDMI G-Sync LED Gaming Monitor on sale for 44% off its $5000 MSRP. This display is otherwise known as an Nvidia Big Format Gaming Display, or BFGD. Offer is valid through 12/29/2019.
https://www.microcenter