Hawking HGS5T 5-Port 10/100/1000M Auto-sensing Gigabit Switch Five 1000BASE-T Gigabit Ethernet ports Supports Auto-Negotiation for 10/100/1000Mbps and duplex mode Supports Full/Half duplex transfer mode for 10 and 100Mbps Features 256K Bytes of RAM for data buffering IEEE 802.3x flow control for full-duplex