Your search for "WS-C3850-12X48U" revealed the following:
Cisco WS-C3850-12X48U-E 48x (12x MultiGB) UPoE RJ45 1x Mod Slot Switch
SKU: NSH-7895
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 416.99
• 9 in stock
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Cisco WS-C3850-12X48U-S 48x (12x MultiGB) UPoE RJ45 1x Mod Slot Switch
SKU: NSH-4644
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 219.99
• Only 2 remaining
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Cisco WS-C3850-12X48U-L 48x (12x MultiGB) UPoE RJ45 1x Mod Slot Switch
SKU: NSH-4643
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 276.99
• Only 2 remaining
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Cisco WS-C3850-12X48UW-S 48x (12x MultiGB) UPoE RJ45 1x Slot Switch 5x APL
SKU: NSH-4662
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 343.99
• Only 2 remaining
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NEW Cisco WS-C3850-12X48U-L 48x (12x MultiGB) UPoE RJ45 1x Mod Slot Switch
SKU: NSN-2095
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 2,115.99
• Only 2 remaining
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NEW Cisco WS-C3850-12X48UW-S 48x (12x MultiGB) UPoE 1x Slot 5x APL Switch
SKU: NSN-1784
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 4,594.99
• Only 1 remaining
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NEW Cisco WS-C3850-12X48U-S 48x (12x MultiGB) UPoE RJ45 1x Mod Slot Switch
SKU: NSN-1782
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco WS-C3850-12X48U-E 48x (12x MultiGB) UPoE RJ45 1x Mod Slot Switch
SKU: NSN-3921
Condition: New
Shipping: Overnight Options
Warranty: 365 days