Your search for "C9600-LC-24C" revealed the following:
Cisco C9600-LC-24C C9600 24x 40GB QSFP+/12x 100GB QSFP28 Switch Line Card
SKU: NSH-9257
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 881.99
• 20 in stock
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NEW Cisco C9600-LC-24C C9600 24x 40GB QSFP Switch Line Card
SKU: NSN-3705
Condition: New
Shipping: Overnight Options
Warranty: 365 days