Your search for "WS-C3650-12X48" revealed the following:

Cisco WS-C3650-12X48UR-E (36x 1GB 12x MultiGB) UPoE RJ45 8x SFP+ Switch

SKU: NSH-8739
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco WS-C3650-12X48FD-E (36x 1GB 12x MultiGB) PoE+ RJ45 2x SFP+ Switch

SKU: NSN-5085
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco WS-C3650-12X48UR-E (36x 1GB 12x MultiGB) UPoE RJ45 8x SFP+ Switch

SKU: NSN-1097
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco WS-C3650-12X48FD-E (36x 1GB 12x MultiGB) PoE+ RJ45 2x SFP+ Switch

SKU: NSH-7899
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days