There are 4 products.
28-Port L2 Managed Gigabit PoE Switch, 4 x Gigabit SFP, 24 PoE Outputs, 390W PoE Power Budget
28-Port L2 Plus Managed Gigabit Switch, 24 x 1GbE RJ45, 4 x 1/2.5GbE SFP
20-Port L3 Managed Gigabit Switch, 12 x 10GbE SFP+, 8 x Gigabit RJ45, Redundant power supply
28-Port Fast Ethernet PoE Switch, 24 PoE Outputs, 2 x Gigabit RJ45, 2 x Gigabit SFP, 802.3at/af PoE, 390W
