Warranty: 2 Year Features: IEEE 802.3 / 802.3u compliant Supports IEEE802.3af/at standard AI detection + smart switching modes 4/8/16 POE ports + 2 uplink ports Auto MDI/MDI-X support Flow control support full/half duplex Wire-speed forwarding MAC learning & aging Metal casing with power output 65W–250W Plug and play Technical Specifications: Multiple protection Bare Metal: 125mm × 115mm × 34mm Complete Machine: 205mm × 165mm × 65mm