Amazon has the 55″ Vizio Quantum M558-G1 4K UHD HDR Smart TV for $499.99 with free shipping.

• Resolution: 3840×2160
• Effective Refresh Rate: 120Hz
• HDR10, Dobly Vision, HLG, 802.11ac Dual Band WiFi, Vizio Smartcast w/ Chromecast Built-In
• Ports: 4x HDMI, 1x USB, 1x Ethernet, 1x Digital, Audio Optical, 1x Analog Audio Out