3COM Superstack 4 PoE Switch 5500G-EI 24-Port 3CR17254-91

Features & Benefits:

The 3Com Switch 5500G-EI 24-Port is a premium stackable 10/100/1000 switch with Enhanced Image (EI) software for businesses running the most demanding network applications requiring the highest "five 9s" network uptime.
24 ports operate at 10/100/1000; four of these ports are dual-purposed with four SFP-based Gigabit ports. Expansion module slot offers additional Gigabit or 10-Gigabit Ethernet connectivity.
The Switch 5500G-EI supports distributed, resilient 3Com XRN
T3COM Superstack 4 PoE Switch 5500G-EI 24-Port 3CR17254-91 Features & Benefits:

The 3Com Switch 5500G-EI 24-Port is a premium stackable 10/100/1000 switch with Enhanced Image (EI) software for businesses running the most demanding network applications requiring the highest "five 9s" network uptime.
24 ports operate at 10/100/1000; four of these ports are dual-purposed with four SFP-based Gigabit ports. Expansion module slot offers additional Gigabit or 10-Gigabit Ethernet connectivity.
The Switch 5500G-EI supports distributed, resilient 3Com XRN