Hi, I have a an XG1-a X1/DVR TV box, plus gigabit internet, a 4k smartTV, and am a Netflix UHD subsriber. While I'm aware that 4k cable/broadcast programming is not yet available, but I have read here that 4k X1 boxes are available. As I can't find a way to request a 4k TV box via the Xfinity web interface, is this something I have to request directly? Also, I noticed an eSATA connection on my current box, does this mean I can add an external HDD so to incease my DVR compacity? With that, were I to obtain a 4k unit, would it have DVR capability and the ability to connect an external HDD to it?
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