Cisco Catalyst WS-C3850-48XS-S 48x SFP+ 10Gb 4x QSFP+ 40Gb - Ethernet Switch. It features 40 fixed 10 Gigabit Ethernet SFP+ ports for high-density server or aggregation connectivity and 4 fixed 40 Gigabit Ethernet QSFP+ ports for high-bandwidth uplinks to the network core.
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