Walmart.com has 55" Hisense 55H6D 4K UHD HDR Smart LED HDTV on sale for $428.
Available for store pickup only.
Specs
HDR
Resolution: 3840×2160
Motion Rate: 120Hz
Inputs
4x HDMI
3x USB
1x Composite
1x Component
This was a deal in July for the same price.