Cisco Catalyst 3560X 3750X 4-Port 2x 1/10Gb SFP+ + 2x 1Gb SFP Module. The four slots are grouped as two pairs, with each pair consisting of one SFP slot and one SFP+ slot. Each pair supports either two 1-Gigabit SFP modules or one 10-Gigabit SFP+ module.
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