TP-Link 48 port gigabit PoE switch | 48 PoE+ Port @384W, w/ 4 SFP Slots | Smart Managed | Limited Lifetime Protection | Support L2/L3/L4 QoS, IGMP and LAG | IPv6 and Static Routing (T1600G-52PS) : Electronics - Amazon.com
Amazon.com: MokerLink 48 Port Gigabit Ethernet Switch with 2 SFP Port, Dual Power Supply, Fanless Metal Rackmount Unmanaged Plug and Play Network Switch : Electronics