Available only for NAS DXi4800 systems. Provides two 16Gb Fibre Channel ports and VTL license as applicable. Compatible with 16Gb/8Gb/4Gb Fibre Channel environments. Includes two 20ft (6.1m) 16Gb/8Gb/4Gb compatible Fibre Channel cables with LC connectors. Customer installable. Will be installed at no additional charge during physical capacity installation. Optional onsite (SDY48-NSYS-000x) or phone-based (SDY48-NSYS-PB00) installation available when only this adapter and license is being installed.