Your search for "br-7800" revealed the following:
Brocade BR-7800-0001-A SAN Switch with 4x FC Ports and 2x 1GB Ports Enabled
SKU: NSB-2254
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 606.99
• Only 1 remaining
Call if you need more
NEW Brocade 105-000-165 5100 6500 7800 DS-5100B AC Switch Power Supply
SKU: NSN-5307
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 178.99
• 5 in stock
Call if you need more