The Sun StorageTek 4Gb FC Network Express Module is ideal for Sun Blade 8000 customers who require a high-density enterprise-level 4Gb Fiber Channel connectivity solution. This design takes all the functionality typically delivered on a Fiber Channel HBA or mezzanine card and houses it in a hot-pluggable I/O module. Up to four Fiber Channel Network Express Modules can be installed in the Sun Blade 8000 Modular System chassis providing up to 80 ports of Fiber Channel SAN connectivity.Featuring the award-winning LightPulse Fiber Channel architecture from Emulex, the Sun StorageTek 4Gb FC Network Express Module is a highly integrated connectivity solution for enterprise-class storage area networks (SANs). With PCI Express host bus platform support and 4Gb Fiber Channel link speeds, this Fiber Channel Network Express Module solution delivers unsurpassed performance and flexibility for your most demanding storage networking applications.