Refurbished N9K-C9504-FAN Overview
Cisco Nexus 9504 Switch Fan Tray
Refurbished N9K-C9508-FAN Overview
Cisco Fan Tray for Nexus 9508 Chassis
SRX5600-HC-FAN Overview
SRX5600 High Capacity Fan, Requires JUNOS 12.1X44-D10 onwards
WS-X4992 Overview
Cisco WS-X4992 Fan Tray for Catalyst 4900M with 5 Fans, Hot-Swappable; Provides cooling air for the internal chassis components; The fans draw air in from the right side of the chassis and exhaust the heated air through perforations on the right side of the chassis
WS-X4993 Overview
Cisco WS-X4993-F Catalyst 4948E Fan Tray with Four variable-speed 12V DC Fans; Back-to-Front Cooling; Mounted in the rear of the Catalyst 4948E Switch Chassis between the two Power Supplies; Supported only on the Cisco Catalyst 4948E-F Switch; Front Panel is color-coded Blue and keyed to prevent insertion in the Catalyst 4948E Chassis.