Various Merchants have 28″ Samsung ViewFinity UR 60Hz 4ms FreeSync 4K UHD IPS Monitor (LU28R550UQNXZA) on sale for $199.99 or less. Shipping is free.

Available from the following stores:

• Samsung $199.99
  • or w/ Samsung EDU/EPP $179.99
• Amazon $199.99
• Best Buy $199.99
• BH Photo Video $199.99

Specs:

• Resolution: 3840×2160
• Refresh Rate: 60Hz
• Response Time: 4ms
• AMD FreeSync
• Viewing Angles: 178° H / 178° V
• Panel Type: IPS
• VESA: 75mm x 75mm
• Ports
  • 2x HDMI 2.0
  • 1x DisplayPort 1.2