The NETGEAR S350 Series 48-Port Gigabit Ethernet Smart Managed Pro Switch with 4 SFP Ports provides Layer 2 features to ensure a reliable and secured network for SMB customers to deploy applications like VoIP, video and IP surveillance. The new cost-effective S350 series includes advanced features, such as QoS, VLAN, ACL, LACP link aggregation, SNMP, IGMP Multicast and Spanning Tree. This fan-less switch will operate quietly, perfect for the noise-sensitive environment. All S350 models are backed by 5-year limited Hardware Warranty with Next Business Day (NBD) Replacement (3-year warranty and NBD Replacement in Japan), and 90 days free Technical support with registration.