Product description Software Transfer Method: Store and Forward Hardware Dimensions (W X D X H): 3.92 × 3.86 × 0.99 in Interfaces: 5× 10/100/1000Mbps Ports, Auto-Negotiation, Auto MDI/MDIX External Power Supply: 5V/0.6A Standards and Protocols IEEE 802.3, IEEE 802.3u, IEEE 802.3x CSMA/CD Data Rates 10/100/1000 Mbps at Half Duplex 20/200/2000 Mbps at Full Duplex Buffer Capacity 1 Mbit Jumbo Frame 15 KB LED Ethernet Ports (1, 2, 3, 4, 5), Power Others Package Contents: 5-Port Gigabit Desktop Switch (MS105GS) Power Adapter Quick Installation Guide