Hikvision 4 ch NVR, USB Only, 40M Inbound bandwidth, Up to 8MP resolution recording, Max 4 IP cameras, 4K HDMI and VGA, 1 × USB 2.0 front/1 × USB 2.0 rear, RJ-45, 1x SATA interface, 4 port PoE Interfaces, 3 year warranty