Black Box 30-Port DCX Digital KVM Matrix Switch (1 RU) DCX3000
Amazon.com: StarTech.com Industrial 8 Port Gigabit PoE Switch - 4 x PoE+ 30W - Power Over Ethernet - Hardened GbE Layer/L2 Managed Switch - Rugged High Power Gigabit Network Switch IP-30/-40C to +
Industrial 8 Port Gigabit PoE Switch – 4 x PoE+ 30W – Power Over Ethernet – Hardened GbE Layer/L2 Managed Switch – Rugged High Power Gigabit Network Switch IP-30/-40C to +75C – BCI Imaging Supplies
D-Link 30 port Stackable Gigabit SFP Switch with 6 10GbE ports - IT&T