8-Port Gigabit Desktop Switch
Network Switch - RJ-45 Connector(s) - 8-Port - Gigabit Ethernet Standard - Desktop/Wall Mountable Form Factor - 6W Power Supply - 3 Year Depot Carry-In Mfg. Warranty

UniFi Pro 48-Port Gigabit Switch w/ 4x SFP+ Ports
Network Switch - 48x RJ45, 4x SFP+ Connector(s) - 48 + 4 -Port - 1U Rackmount Form Factor - 4x SFP+ Ports (10Gb) - 60W Power Supply - Layer 2/3 Management/Prioritization - 2 Year Depot Carry-In Mfg. Warranty

Intel Ethernet Transceiver 10GBASE-LR: SFP+ LR Optics module
Network Interface Module - SFP LR Connector(s) - 2-Port - Intel E10GSFP-LR Chipset - 10GBase-LR Standard

8-Port Multi-Gigabit (2.5G) Smart Managed Desktop Switch w/ 4-Port PoE+ and 4-Port PoE++
Network Switch - RJ-45 Connector(s) - 8-Port - 2.5 Gigabit (Multi-Gig) Ethernet Standard - Desktop/Wall Mountable Form Factor - Layer 2+/3 Lite Management/Prioritization - Smart Web Management - 4 (PoE+) / 4 (PoE++)x PoE Ports - 230W Max PoE Power - 30W per Port PoE+ / 60W per Port PoE++ - Lifetime Depot Carry-In Mfg. Warranty