Xserve RAID
http://www.apple.com/xserve/raid/
Fibre channel switch
http://www.qlogic.com/products/fc_san_switchs.asp
other companies make these - we tested the 5200
Xserve RAID
http://www.apple.com/xserve/raid/
Fibre channel switch
http://www.qlogic.com/products/fc_san_switchs.asp
other companies make these - we tested the 5200