... quality that even the most demanding professionals will envy Model GV-1120GV-1240GV-1480Video Input 8,168,1616TV output 1Recording rate ... , Modem-to-modem, ISDN Backup Device HDD, NAS, CD-R/R-W, DVD, DVD-R, ZIP, JAZ Operating System Windows2000, WindowsXP, Windows Server ... -1480: Pentium 4-3.0GHz with Hyper-threading or above GV-1240: Pentium 4-2.6GHz with Hyper-threading or above ...