Your search for "sfp-10/25g-csr-s" revealed the following:

NEW Cisco SFP-10/25G-CSR-S 25GB BASE-CSR 850nm Short Reach MMF SFP28 Transceiver

SKU: NSN-0704
Condition: New
Shipping: Overnight Options
Warranty: 365 days

$ 204.99

$ 324.99

• 99 in stock
Call if you need more

Cisco SFP-10/25G-CSR-S 25GB BASE-CSR 850nm Short Reach MMF SFP28 Transceiver

SKU: NSB-6673
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

$ 196.99

$ 197.99

• 99 in stock
Call if you need more