Your search for "c9400-sup-1xl-y" revealed the following:
Cisco C9400-SUP-1XL-Y 1XL-Y Supervisor 1XL-Y Module w/ with 25GB Module
SKU: NSB-7641
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 429.99
• 14 in stock
Call if you need more
NEW Cisco C9400-SUP-1XL-Y 1XL-Y Supervisor 1XL-Y Module w/ with 25GB Module
SKU: NSN-5691
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 15,525.99
• Only 1 remaining
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Cisco C9400-SUP-1XL Catalyst 9400 Switch Supervisor 1XL Module
SKU: NSH-7351
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 166.99
• Only 1 remaining
Call if you need more