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SummitStack - High-Performance Stacking
Summit X480 supports SummitStack, which provides 40 Gbps (VIM2-ummitStack), 80 Gbps (VIM2-SummitStack-V80) or 128 Gbps (VIM2-SummitStack128) of stacking bandwidth. High-speed 128 Gbps stacking is ideal for demanding applications where a high volume of traffic traverses through the stacking links, yet bandwidth is not compromised through stacking. High-speed stacking is very useful in applications such as top of rack when stacked with Summit X480 and Summit X650 (requires optional conversion cable) and gigabit aggregation in large enterprise or data center networks. With the longer stacking cables such as 5-meters, stacking can be configured through different racks horizontally in a row as opposed to typical stacking system installed vertically in a rack.