Microsoft Store has 43.4" Lenovo Legion Y44w-10 3840x1200 144Hz Curved VA WLED HDR Monitor on sale for $749. Shipping is free.
Specs: Resolution: 3840x1200Refresh Rate: 144HzResponse Time: 6ms Normal / 4ms ExtremePanel Type: VAVESA certified DisplayHDRAMD FreeSync 2Detachable Harman Kardon certified speakersViewing Angle: 178 / 178VESA: 100x100mmInputs:2x HDMI 2.01x DisplayPort 1.44x USB 3.1 Type-A1x USB 3.1 Type-C Gen1 (DP1.2 Alt Mode)1x USB 3.1 Type-C Gen2 (DP1.4 Alt Mode)1x Audio Out