Your search for "sg500x-48p-k9" revealed the following:
NEW Cisco SG500X-48P-K9 48x 1GB PoE+ RJ45 4x 10GB SFP+ Switch
SKU: NSN-2655
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 1,762.99
• Only 1 remaining
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Cisco SG500X-48P-K9 Small Business 500X 48x 1GB PoE+ RJ45 4x 10GB SFP+ Switch
SKU: NSH-6504
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 192.99
• 17 in stock
Call if you need more