The 4Gb Fibre Channel Pass-Thru Module for HP c-Class BladeSystem is designed for those customers desiring a direct connection between each server blade within the enclosure and external Fibre Channel SAN switches, directors, or SAN controllers. Ideal investment protection for datacentres with existing storage networking infrastructure, the HP Fibre Channel Pass-Thru Module delivers up to sixteen 4Gb fibre Optic IO connections providing a 1:1 non-switched, non-blocking paths between the server blade and the SAN. The modular design is hot pluggable and easily installs into the I/O bays of the c-Class enclosure. Installing a pair of Fibre Channel Pass-Thru Modules provides redundant paths for connection to your SAN.