Optional at initial order or as field upgrade. Order up to four (or up to two for multi-protocol systems) full height adapters (mix with 10GbE Optical, 10GbE Twinax, 10GBASE-T, 25GbE optical, 25GbE DAC, or FC) per system. Provides four 10GBASE-T RJ45 port. Includes four 25ft (7.62m) 10GbE CAT6a cables. Customer installable. Will be installed at no additional during system or physical capacity installation. Optional onsite (SDY48-NSYS-000x) or phone-based (SDY48-NSYS-PB00) installation available when only an adapter is being installed.