Intel X520-SR2 Server Bypass Adapter 10Gig, 2x LC Fiber Optic Ports, PCIe v2
Network Interface Card - PCI-Express 2.0 x8 Bus - MMF 62.5 / 50µm, up to 300m Connector(s) - 2-Port - Intel 82599EN Chipset - Full-Height/Low-Profile Form Factor - 3 Year Depot Carry-In Mfg. Warranty

5-Port Gigabit Easy Smart Managed Desktop Switch w/ 4-Port PoE+
Network Switch - RJ-45 Connector(s) - 5-Port - Gigabit Ethernet Standard - Desktop Form Factor - Easy Smart Web Management - 4x PoE Ports - 63W Max PoE Power - 15.4W per Port PoE / 30W per Port PoE+ - 5 Year Depot Carry-In Mfg. Warranty

HPe Aruba Instant ON 1830 48-Port G-LAN 4SFP 380W PoE Manageable SWITCH 2-Layers
Network Switch - 48x RJ45, 4x SFP Connector(s) - 48 + 4 -Port - 48x GLAN RJ45, 4x 10G-LAN SFP+ Standard - 1U Rackmount Form Factor - Layer 2 Management/Prioritization - 370W Max PoE Power - yes

WebSmart 28-Port Gigabit Switch
Network Switch - RJ-45 Connector(s) - 24-Port - Gigabit Ethernet Standard - Desktop/1U Rackmount Form Factor - 4x SFP Ports (1Gb) - Web/CLI/SNMP/RMON Management - 24x PoE Ports - Lifetime Depot Carry-In Mfg. Warranty