Your search for "FPR2K-NM-8X1G-F" revealed the following:
Cisco FPR2K-NM-8X1G-F FirePower 2100 8x 1GB Copper (FTW) Firewall Module
SKU: NSH-9918
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco FPR2K-NM-8X1G-F FirePower 2100 8x 1GB Copper (FTW) Firewall Module
SKU: NSN-5578
Condition: New
Shipping: Overnight Options
Warranty: 365 days