Mini disc recorders can record up to 320 minutes.

it is a form of disc but its mini it is a form of disc but its mini

Digital Versatile Disc Recorders (DVD-r) has already replaced (Videocassette Recorders).

It is unlikely that Sky will make disc recorders. The television industry is going to great lengths to prevent pirating of content. HD material is protected in various ways; commercial agreements with equipment manufacturers prevent them producing recorders that are capable of distributing content on disc or using other media.

mini disc