Cost-optimized High-density Managed Gigabit Switch for Small and Medium Businesses. This Gigabit Managed Switch is perfectly designed for SMB and enterprise network infrastructures. Besides the IPv6 / IPv4 management and abundant L2 / L4 switching functions, the GS-4210-48T4S comes with fanless feature and green technology to provide a quiet, energy-saving, high-speed and reliable office network environment. It benefits the SMB and enterprise users as it provides Gigabit network performance but it comes at the cost of a Fast Ethernet switch. The GS-4210-48T4S is quite suitable for the next-generation network deployment and offers the lowest total cost of ownership. It is the best investment for business expansion or upgrading its network infrastructure.