WS-X6904-40G-2T
by Cisco

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Cisco Catalyst 6900 Series 4-Port 40 Gigabit Ethernet Fiber Module with DFC4 - Expansion module - 10 Gigabit Ethernet, 40 Gigabit Ethernet - 4 ports - for Catalyst 6503-E, 6504-E, 6506-E, 6506-E IDSM-2, 6509-E, 6509-E 10Gig, 6513-E

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