Coolsat 7100 Time Machine USB Free-to-Air PVR This new unit is a much improved replacment over the 7000 model. 2 USB Ports (Front and Back) 1GB Internal Memory, extended to (Max 4 GByte) Maxx 500 GByte external USB 2.0 Host Hard Disk Drive support for time machine recording, play-back, and powerful play mode. Support 9 Day EPG USB 2.0 Host support (MP3 Player & JPEG Viewer) scrolling EPG and it also plays DIVX