nGenius 3900 is the industry’s most flexible monitoring switch, powered by a hardware-accelerated 720 Gb/s in every slot. Three blade options provide flexible interface choices. Each P-Blade switching engine includes 1, 10 and 40 GbE interfaces, configurable port-by-port for both speed and media. Each P-40 Blade switching engine includes our highest density of 40GbE interfaces. Each P-100L Blade introduces support for 100GbE. To maximize space and cost, each PFS Blade (P-Blade, P40 Blade, P100L Blade) comes preinstalled with all packet conditioning, traffic aggregation and management features — thus avoiding the need for additional "packet conditioning" blades typical of traditional packet flow switches.