Zyxel Communications , a leading provider of secure broadband networking, Internet access and connected home products, today announced the launch of the XGS4600 Series 28-port Gigabit Layer 3 Managed Switches with 4 SFP+ Uplinks . Available in Gigabit Ethernet and SFP versions, these premium switches provide a high-performance, reliable, and affordable solution for managing bandwidth-intensive networks in demanding environments such as businesses, hotels and schools.