Arris DCX3510-M digital Video Recorder with dual 1 GHz video tuners for sale. Can decode both MPEG-2 and MPEG-4 formats. The dual tuners allow you to record two programs simultaneously while watching a third recorded program. The DCX3510-M includes the latest audio and video output, with support for full 1080p60 high-definition output, HDMI, award-winning Dolby Digital Plus, and Dolby Volume intelligent multi-channel audio leveling. In addition, the DCX3510-M features an internal 500GB hard drive, which can be expanded to 1 TB or more using an external disk drive connected to the set-top’s eSATA interface. Used, but in good condition. C/w Shaw remote control and owner’s manual.