8Ch

Product Name	Video Input	Audio Input	Compression	Hard Disk
SRD-852D	8 Composite video 0.5-1 Vpp	4Line in (Built-in 4CH, RCA)	H.264	Up to 4 SATA HDDs
SRD-870DC	8 Composite video 0.5-1 Vp-p, 75 ohm automatic termination	8CH line in (Built-in 4CH, option : audio extension cable	H.264	Up to 5 SATA HDDs, Up to 2 expansion bay (*Model : SVS-5R)
SRD-850D/850DC	8 Composite video 0.5-1 Vp-p, 75 ohm automatic termination	8CH line in (Built-in 4CH, option : audio extension cable)	H.264	Up to 5 SATA HDDs; Up to 2 expansion bay (*Model : SVS-5R)

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