Storage Expansion Unit
Mitsubishi Digital Electronics' DX-ZD6UE storage expansion unit, designed for the DX-TL4500U, DX-TL4700U and DX-TL5000U DVRs, increases storage to 368 TB. Up to 14 expansion units may be added to a DVR for a combined 21 TB of additional storage. When 16 DX-TL5000s featuring 2 TB of standard storage are combined with 14 DX-ZD6UE expansion units and connected in a cascading network, the system can hold 368 TB, operate 256 cameras and be controlled from a single station.