Smart H.265+/Smart H.264+/H.265/H.264; Multi-channel Playback: Up to 4 channels playback; HDD: 1 SATA 2.0 port, up to 8 TB for a single HDD. The maximum HDD capacity varies with environment temperature; RCA Input: 1; RCA Output: 1; Network: 1 RJ–45 port (10/100 Mbps), 4 RJ–45 ports with PoE power supply (10/100 Mbps); Power Supply: DC48V/53V, 1.25A/1.22Aen