Datavideo's HDR-70 is a hard drive based video recorder, with removable hard drive enclosure, designed for studio desktop applications. The HDR-70 records from both High and Standard Definition video equipment via HD/SD-SDI. The HDR-70 comes with a 320GB HDD and a removable hard drive enclosure. One additional enclosure is included, if you would like to purchase another HDD. And the HDR-70 is compatible with SSD drives. Once you have completed your recording, simply eject the hard drive enclosure and use USB 2.0 to connect to a PC or MAC based NLE system. The USB port provides power to the unit. It's perfect for use with laptops in the field. You can work directly from the removable drive, or copy video files to your NLE's video drives.