You certainly can. Either with SiliconDust's own $35 dvr solution which is just for guide data, & turning on the recording feature and then you plug in a USB drive directly into the back of the HDHR 4k Flex, or ChannelsDvr (better solution), or Plex, or Emby, or all sorts of other solutions...Well I just responded to a PM from Harshness that said you can not record from the flex 4k.
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