Cisco Catalyst 4500-X Series Switch Back-to-Front C4KX-Fan-F Cooling Fan Model GFC0412DS-BK17R 8 Port
specification :
Colour : black
MPN : C4KX-FAN-F /Model GFC0412DS-BK17R/33-0701-01
Compatible Machines: For Cisco Catalyst 4500-X Series, 800-32197-02