52-Port Gigabit PoE Stackable Smart Switch. The DGS-1520 Series, a new generation of Layer 3 Stackable Smart Managed Switches, includes four 10 GB ports for uplink or stacking up to eight switches with a total of 80 Gbps stacking bandwidth. Designed for effortless multi-site network deployments with Zero Touch Provisioning, the DGS-1520 Series is also powerful enough for server and storage applications. For unrestricted Wi-Fi 6 edge device capabilities, PoE models offer four 2.5 GB BASE-T ports for Multi-Gigabit connectivity. For SMBs with expanding networks and significant bandwidth growth, the DGS-1520 effortlessly adds highly cost-effective 10 GB connectivity to help ensure seamless aggregation between access and core layers.