Cisco - HP - IBM - Juniper - Avaya - SUN/ORACLE - Unify - Dell. Ports 32 x 1 Gigabit / 10 Gigabit SFP+. Subtype 10 Gigabit Ethernet. Device Type Switch - 32 ports - L3 - Managed - stackable. Expansion Slots 2 (total) / 2 (free) x Expansion Slot.
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