C3850-NM-2-10G= Cisco Catalyst 3850 2 x 10GE Network Module
2 x 10 Gigabit Ethernet with SFP+ or 4 x Gigabit Ethernet with SFP receptacles

Info Produk : https://www.cisco.com/c/en_intl/products/collateral/switches/catalyst-3850-series-switches/datasheet_c78-720918.html
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