Edimax ES-3124RL - 24 Ports Auto-Sensing, Store-N-Forward, and Non-Blocking Fast Ethernet 19' Rackmount Switch It is a powerful, 19' rack mountable, and dependable 24 port Fast Ethernet switch that runs very cool and quiet. It is ideal for use in an enterprise, governmental agency, or school environment. Supports full duplex mode so that the maximum throughput is 200 Megabits per a second. Provides Store-and-Forward, Non-blocking architecture; Full Wire Speed forwarding and filtering rates, and flow control so that the switching performance is fully up to Industry standard. With its auto-negotiating and auto MDI/MDI-X Ports, you'll not need to worry about whether your Ethernet cable is a straight through or cross-over cable. Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3x, 10baseT and 100baseT. Port; 24 x RJ45 connectors with Auto-MDI/MDI-X, Half / Full Duplex, NWay & Auto-negotiation. Filter and Forwarding Rates: 10Mbps: 14,880pps/14,880pps , 100Mbps: 148,800pps/148,800pps. Emission: FCC Class A, VCCI Class A, CE. LED Indicators. Power, Link/Act. Power: Internal Power Supply - 3.3V 4A (100 ~ 240VAC, 50~60 Hz). Dimensions: 19" rackmount - 17.4" x 5.1" x 1.7". Temperature: 0-40C (32-104F). Humidity: 10 ~ 95% Non-Condensing