Dahua DHI-NVR4216-8P-4K 2 SATA III ports, up to 12TB 16 CH 1U 4K H.265 Network Video Recorder Network Interface: 1 x RJ-45 port (10/100/1000Mbps) 8 x PoE ports (IEEE802.3at/af) (for -8P model) Compression Format: H.264 Processor: Dual-core embedded processor Operating System: Embedded LINUX Power Supply: Power Supply : Single, DC12V / 4A (for non-PoE model) Single, AC 100~240V, 50 / 60 Hz (for -8P model) Power Consumption: NVR: 8.7W for non-PoE model (without HDD), 15.2W for PoE model (without HDD) PoE: Max 25.5W for single port (for -8P model), 120W in total Temperature: -10 degree C ~ +55 degree C Humidity: 10% ~ 90% RH Dimensions: 2.20 x 14.76 x 11.10 for non-PoE model 2.09 x 14.76 x 12.87 for PoE model