MAC Address Table Size: 8K Switch Fabric: 48Gbps Forwarding Capacity Transmission Method: Store-and-forward Diagnostic LEDs - Per Unit: Power - Per Port: Activity/Link, Speed Packet Buffer Memory: On chip 512Kbytes Buffer Memory per device Max Power Consumption: 27.5 Watts QoS: 802.1p (4 Queues) Interface Options RJ-45: 10BASE-T, 100BASE-TX, 1000BASE-T Network Protocol and Standards IEEE: 802.3 Ethernet, 802.3u Fast Ethernet, 802.3x Flow Control, 802.3ab Gigabit Ethernet, 802.1p Priority Queuing Emissions: CE Mark A, FCC Class A, RoHS compliant Power Supply: 100-240VAC, 50/60 Hz Internal Universal Power Safety: CSA + NRTL/C Dimensions (W x D x H): 280 x 180 x 44mm (11.02 x 7.09 x 1.73inches) Weight: 1.81Kg (3.99 Lbs) Warranty: Limited Lifetime Support: 24/7 Technical Support