Dahua DHI-NVR4816-16P 8 SATA ports, up to 32TB 16CH 2U 16 PoE Network Video Recorder Network Interface: 1 x RJ-45 port (10/100/1000Mbps) 16 x PoE ports (IEEE802.3af/at) Compression Format: H.264 Processor: Dual-core embedded processor Operating System: Embedded LINUX Power Supply: Power Supply : AC 100~240V, 50 / 60 Hz Power Consumption: 40W (without HDD) Temperature: -10 degree C ~ +55 degree C Humidity: 10% ~ 90% RH Dimensions: 3.74 x 17.32 x 17.87