Here is another smart switch that lets you take your business network to the next level. The NETGEAR 48-Port Smart Managed Pro Switch is rack-mountable and has 4 SFP ports. With advanced QoS feature, VoIP and video performance are optimized through your network.
The unit doesn’t make a whole lot of noise (26dB at 25°C). It has Vlan, ACL, QoS, IGMP Snooping, rate limiting, LACP Link aggregation, STP and SNMP capability.