G1005 5-Port Gigabit Desktop Switch Provide 5 10/100/1000Mbps auto-negotiation ports Compliant with IEEE802.3, IEEE802.3u, IEEE802.3x, IEEE802.3ab Supports MAC address self-learning and auto MDI/MDIX Supports full-duplex 802.3x flow control and half-duplex backpressure flow control Supports port Inductive Lightning Protection up to 6KV Desktop or wall mounting Design , steel case