NS04R HD-CCTV External Storage Equipment works with HVRM-HD1600F-PDR, HVRM-HD1600M-PDR, HVRM-HD1600F, HVRM1600F-R Dedicated storage equipment for DVR Supports WEBGATE’s HD DVR series Max. 128TB storage expansion RAID Level 1/5/10 and support Auto-Rebuiding IPFR (Intelligent Power Failure Recovery) file system At-the-PC Playback of removed DVR HDD 4 Hot-Swap, SATA type HDD bays Built-in 1 network port for DVR connection Built-in 1 network port for NS04R cascade connection