Your search for "V400-48t" revealed the following:
NEW Extreme 18103 V400-48t-10GE4 48x 1GB RJ45 4x 10GB SFP+ Switch
SKU: NSN-3841
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 3,519.99
• 5 in stock
Call if you need more
Extreme 18103 V400-48t-10GE4 48x 1GB RJ45 4x 10GB SFP+ Switch
SKU: NSH-9757
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 1,476.99
• 5 in stock
Call if you need more
Extreme 18104 V400-48p-10GE4 48x 1GB PoE+ 4x 10GB SFP+ Switch
SKU: NSB-4690
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 764.99
• Only 2 remaining
Call if you need more