HD PVR 2 can record from systems with the following specs

• Cable TV or satellite box wit Component video output
• PC game system with HDMI out and support for 1080p60, 1080p50 or 720p video
• Xbox 360 or Sony PS3 game console

System Requirements for recording

• Laptop or desktop PC with 3.0 GHz single core or 2.0 GHz multi-core processor
• Microsoft® Windows® 8, 7 Vista or Windows XP Service Pack 3
• HD TV set with HDMI input
• 512 MB RAM (1 GB recommended)
• Graphics card with 256 MB memory
• Sound card
• 220 MB free hard disk space
• CD-ROM drive (for software installation)
  

Technical Specifications

• Hardware encoder
  • H.24 AVCHD high definition video encoder, with record resolution to 1080p30 from HDMI or 1080i from Component video
  • No delay HDMI passthrough: HDMI in to HDMI out - up to 1080p Component Video in to HDMI out - up to 1080i
  • Recording datarate: from 1 to 13.5 Mbits/sec
  • Recording formats: MP4 and TS
  • Video down conversion from 1080p to 720p
• Input/output connections
  • HDMI in, from HDMI sources without HDCP such as Xbox 360
  • Component video in, with stereo audio. for the PS3 and cable/satellite set top boxes
  • Optical audio input connector (S/PDIF)
  • IR blaster output to control the channel changing on your set top box
  • S-Video and composite video in, with stereo audio (requires an optional cable)
  • HDMI output
• Size: 6 in wide x 6 in deep x 1.5 in high
• Power: 6V at 1.6 amps
• Weight: .75lb / .34 kg / 12 oz