Dell Home & Office has 55″ Vizio V555-G1 4K UHD HDR LED Smart TV + $125 Dell eGift Card for $339.99. Shipping is free.
Specs:
Resolution: 3840×2160
Refresh Rate: 120Hz Effective (60Hz Native)
HDR10 HLG Dolby Vision Support
Inputs:
3x HDMI
1x Composite
1x USB
1x Digital Optical Audio
1x RF