Dell has 32″ Dell S3221QS Curved 4K UHD WLED Monitor w/ USB 3.0 Hub on sale for $381.49. Shipping is free.
Specs
Resolution: 3840×2160 (4K UHD @ 60Hz)
Response Time: 8ms
Contrast Ratio: 3000:1
Refresh Rate: 40-60Hz (Vertical) 29-140kHz (Horizontal)
Viewing Angle: 178/178 Degrees
Panel Type: VA
Inputs
2x HDMI (HDCP 2.2)
DisplayPort
USB 3.0 Upstream
USB 3.0 Downstream
USB 3.0 Downstream w/ Battery Charging 1.2