Hikvision DS-7732NI-I4. Video input channels: 32 channels, Maximum resolution: 3840 x 2160 pixels, Resolution at capture speed: 1920x1080@60fps, 3840x2160@30fps. Maximum storage capacity: 24 TB, HDD interface: Serial ATA, Total installed storage capacity: 10 TB. Ethernet LAN data rates: 10,100 Mbit/s. Rack capacity: 1.5U, Product color: Black, Silver. Power consumption (typical): 20 W, AC input voltage: 100 - 240 V