. The Pro Safe® Gigabit Stackable Smart Switch family is unique in delivering the scalability reliability. & performance growing small & medium-sized businesses need in an affordable & easy-tomanage package. The NETGEAR Second Generation of these Stackable Smart Switches consists. of 4 models in 28/52-port configuration with or without Po E option. They come with more port. density & a total of 6 SFP ports for fiber connectivity. Among them 2 are shared & the other. 4 are dedicated for either stacking or uplinks. This new generation of Stackable Smart Switches. offers more flexibility & scalability that will make it easier & non-interruptive for growing. businesses to expand their network capacity. The new generation of Stackable Smart Switches use 2 dedicated dual-purpose ports in the front. of the switch for stacking or uplink. The stacking function offers a 10 Gbps dual-ring highly. redundant stacking bus that carries intra-stack traffic & provide the highest level of resilience. allowing you to stack up to six switches or up to 300 10/100/1000 Mbps ports forming a virtual. chassis for easy management under a single IP address. This stacking technology also provides. several high-availability features to ensure business continuity Resiliency Due to redundant stacking port connections there is an automatic fail-over in case. any switch in the stack fails with rapid reconfiguration thus preventing network downtime Hot-swappable All switches in the stack are hot-swappable & can be integrated or removed. without disrupting the network..