Your search for "10G-SFPP-USR-SA" revealed the following:
NEW Extreme 10G-SFPP-USR-SA 10GB BASE-USR 850nm MMF LC (TAA) SFP+ Transceiver
SKU: NSN-8985
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 21.99
• 59 in stock
Call if you need more
Extreme 10G-SFPP-USR-SA 10GB BASE-USR 850nm MMF LC (TAA) SFP+ Transceiver
SKU: NSB-3130
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 19.99
• 59 in stock
Call if you need more