About The fanless 24-Port 1000BASE-T Gigabit Ethernet Switch was designed for easy installation and high performance in an environment where traffic on the network and the number of users increase continuously. Supports Auto-Negotiation for speed and duplex mode, auto-MDIX, full and half duplex transfer mode for 10/100/1000Mbps, 802.3x flow control, 3.5M bits data buffer per device and front panel diagnostic LEDs. The SGRD24 package also includes a rack mounting kit.