Your search for "cbs250-24t" revealed the following:

Cisco CBS250-24T-4G-NA Business 250 Smart Series 24x 1GB RJ45 4x 1GB SFP Switch

SKU: NSB-7367
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco CBS250-24T-4X-NA Business 250 Smart 24x 1GB RJ-45 4x 10GB SFP+ Switch

SKU: NSN-0425
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco CBS250-24T-4X-NA Business 250 Smart 24x 1GB RJ-45 4x 10GB SFP+ Switch

SKU: NSB-7374
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days