About this item Metal-cased switches provide superior durability, heat dissipation, and EMI protection, making them the clear choice for reliable performance over cheaper plastic switches. 8× 10/100/1000Mbps RJ45 Ports supporting Auto Negotiation and Auto MDI/MDIX, Plug and play, no configuration needed Latest innovative energy-efficient technology greatly expands your network capacity with much less power consumption and helps save money, Dimensions ( W x D x H ) - 6.2 x 4.0 x 1.0 in.(158 x 101 x 25 mm) IEEE 802.3x flow control ensures reliable data transfer by managing network congestion, while the fan less metal casing design provides silent operation, enhanced durability, and improved thermal efficiency Dedicated button for loop prevention. Monitor and address loop-related issues within your network structure to prevent disruptions caused by looping. Easy setup with no software installation or configuration needed Prioritize your traffic and guarantee high quality of video or voice data transmission with Port-based 802.1p/DSCP QoS and IGMP Snooping