Your search for "FG-500D" revealed the following:
Fortinet FG-500D FortiGate 500D 16 Gbps Local Management Only Firewall
SKU: NSB-3315
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 156.99
• 49 in stock
Call if you need more
Fortinet FRPS-100 Fortigate External Redundant AC Firewall Power Supply
SKU: NSH-7261
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 133.99
• Only 2 remaining
Call if you need more
Fortinet FG-500D FortiGate 500D 16 Gbps Registrable / Unclaimed Firewall
SKU: NSC-0169
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Fortinet FG-500D FortiGate 500D 16 Gbps Registrable / Unclaimed Firewall
SKU: NSN-1222
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Fortinet FG-500D FortiGate 500D 16 Gbps Local Management Only Firewall
SKU: NSN-0760
Condition: New
Shipping: Overnight Options
Warranty: 365 days