Your search for "ws-c3850-12xs" revealed the following:

Cisco WS-C3850-12XS-E Catalyst 3850 12x 10GB SFP+ 1x Module Slot Switch

SKU: NSH-8457
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

$ 361.99

$ 404.99

• Only 2 remaining
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Cisco WS-C3850-12XS-S Catalyst 3850 12x 10GB SFP+ 1x Module Slot Switch

SKU: NSH-4647
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

$ 299.99

$ 429.99

• Only 2 remaining
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Cisco PWR-C1-350WAC 350W AC Power Supply for Catalyst 9300, 3850, 3650

SKU: NSB-4176
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

$ 42.99

$ 45.99

• 29 in stock
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NEW Cisco WS-C3850-12XS-S Catalyst 3850 12x 10GB SFP+ 1x Free Mod Slot Switch

SKU: NSN-3314
Condition: New
Shipping: Overnight Options
Warranty: 365 days

$ 1,522.99

$ 5,849.99

• Only 2 remaining
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NEW Cisco WS-C3850-12XS-E 12x 10GB SFP+ 1x Module Slot Switch

SKU: NSN-4649
Condition: New
Shipping: Overnight Options
Warranty: 365 days