Your search for "ws-c3850-48u" revealed the following:
Cisco WS-C3850-48U-S 48x 1GB UPoE RJ45 1x Free Expansion Module Slot Switch
SKU: NSH-3238
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 149.99
• Only 2 remaining
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Cisco WS-C3850-48U-E Catalyst 3850 48x 1GB UPoE RJ45 1x Module Slot Switch
SKU: NSH-4642
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 152.99
• Only 2 remaining
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Cisco WS-C3850-48U-L Catalyst 3850 48x 1GB UPoE RJ45 1x Module Slot Switch
SKU: NSH-4632
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 195.99
• Only 2 remaining
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NEW Cisco WS-C3850-48U-S 48x 1GB UPoE RJ45 1x Module Slot Switch
SKU: NSN-1781
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 3,737.99
• Only 1 remaining
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Cisco WS-C3850-48UW-S 48x 1GB UPoE RJ45 1x Module Slot IPB Switch w/ 5x APL
SKU: NSH-4660
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 149.99
• 31 in stock
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NEW Cisco WS-C3850-48U-L 48x 1GB UPoE RJ-45 1x Module Slot Switch
SKU: NSN-1573
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 3,737.99
• Only 1 remaining
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NEW Cisco WS-C3850-48U-E 48x 1GB UPoE RJ45 1x Module Slot Switch
SKU: NSN-1780
Condition: New
Shipping: Overnight Options
Warranty: 365 days