All credit to PW who found the lower price in a similar deal.
I just think that it's too good of a deal to be buried in comments. There is no mention of panel refresh rate nor type of SmartOS though.
Found a demo of their linux based OS
Features
• Ultra High Definition
• LED Back Lit LCD TV
• Resolution 3840 x 2160
• 400Hz CMI
• HD MPEG 2/ MPEG 4 DTV Decoding
• Viewing Angle 178° H/178° V
• 9ms Refresh Rate
• 4000:1 Contrast Ratio
Functions
• Quad Core CPU and Quad Core GPU
• USB PVR Function with Timeshift
• HbbTV
• Home Cloud (Share Network files)
• nScreen- Connect to your portable device
• GoLive 3.0 - A world of online TV programs
• Netflix
• App Store
• Built in WiFi
• Screen Mirroring
• Linux Operating System
• UHD USB Media Player, inc. support for H.265 (HEVC), H.264, MKV, MP4, AVI, Mov
Connectivities
• HDMI Input (2.0/HDCP 2.2 /4:2:0) x 4- MHL & ARC
• Component Input & AV Input
• Headphone Output & SPDIF Optical Output
• AV Output
• USB 2.0 x 3; USB 3.0 x 1
so 400Hz CMI isn't refresh rate? What is this mean?