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Review Summary
The D-Link 20-Port Gigabit SFP xStack Managed L2+ Stackable Switch delivers performance, flexibility, security, multi-layer QoS and accessibility, along with redundant power options for SMBs and enterprises. With high Gigabit port densities, Gigabit SFP, 10-Gigabit SFP+ support and advanced software solutions, this switch can act as either a departmental access layer or aggregation switch to form a multilevel network. Service providers can take advantage of the high SFP density (DGS-3420-28SC) to structure the aggregation of Fiber to the Building (FTTB) networks that can be extended to subscribers' sites.