Your search for "ds-c96s-fan-i" revealed the following:
Cisco DS-C96S-FAN-E MDS 9300 Series Port Side Exhaust Switch Fan Module
SKU: NSB-6896
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 54.99
• Only 2 remaining
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Cisco DS-C96S-FAN-I MDS 9300 Series Port Side Intake Switch Fan
SKU: NSB-6897
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco DS-C96S-FAN-E MDS 9300 Series Port Side Exhaust Switch Fan Module
SKU: NSN-9676
Condition: New
Shipping: Overnight Options
Warranty: 365 days