Ubiquiti Networks UniFi Pro PoE 48-Port Gigabit USW-PRO-48-POE
Amazon.com: Ubiquiti Networks USW-Pro-48-POE Gen 2 UniFi Pro 48-Port PoE, USW-PRO-48-POE (UniFi Pro 48-Port PoE, Managed, L2/L3, Gigabit Ethernet (10/100/1000), Power Over Ethernet (PoE), Rack)
Switch Pro 48 PoE - Ubiquiti Store Europe
Ubiquiti UniFi Pro 48-port PoE switch 600W USW-Pro-48-POE layer3 switch Pro 48-p | eBay