5-Port 10/100/1000Mbps Copper Gigabit Dlinkgo- Unmanaged Copper Gigabit Ethernet Switch- 5 x 10/100/1000Mbps Auto-Negotiating Ports- Auto-Negotiation of MDI-II / MDI-X Cross Over for Easy Expansion- Half-/Full-Duplex- IEEE 802.3x Flow Control- Desktop size (no rackmount kit available)