Buffalo PoE Unmanaged 16 Port Business Switch (BS-GU2016P) Lifetime warranty with 24/7 North American-based technical support (with registration) PoE (IEEE 802.3af) allows for network flexibility without need of AC outlets 16 Ports Durable metal chassis 19-inch rack mounting tabs included Internal Power Unit Lifetime warranty (requires product registration within 90 days) 16 gigabit Ethernet ports 12 x 802.3af PoE ports (15.4W per port) 120W maximum PoE budget 802.3az Green Ethernet Full duplex operation offers switching capacity of up to 32 Gbps Internal power supply Auto-MDIX provides fast plug and play setup with any Ethernet cable