Your search for "brocade 300" revealed the following:
Brocade BR-VDX6720-40-R 40x 10GB SFP+ Back-to-Front Airflow Switch
SKU: NSB-1230
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Brocade BR-VDX6720-40-F 40x 10GB SFP+ Front-to-Back Airflow Switch
SKU: NSN-2951
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Brocade BR-VDX6720-60-F 60x 10GB SFP+ (20x Active) Front-to-Back Airflow Switch
SKU: NSH-5333
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Brocade ICX6610-48P-PE 48x 1GB PoE+ RJ45 8x 1GB SFP F-B Airflow (P) Switch
SKU: NSN-7879
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Brocade BR-VDX6720-16-F 16x 10GB SFP+ Front-to-Back Airflow Switch
SKU: NSH-7529
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Brocade ICX6610-24P-I 24x 1GB PoE RJ45 8x 1GB SFP B-F Airflow (Base) Switch
SKU: NSN-7609
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Brocade BR-6505-12-16G-0R 6505 Series 24x 16G FC SFP+ (12x Active) SAN Switch
SKU: NSH-7835
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Brocade BR-6510-24-8G-R 48x 8 Gigabit Fibre Channel SFP+ (24x Active) SAN Switch
SKU: NSH-7817
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Brocade 23-0000067-01 DCX 8510 Series 2000W AC SAN Switch Power Supply
SKU: NSN-9096
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Brocade BR-VDX6720-60-F 60x 10GB SFP+ (60x Active) F-B Airflow Switch
SKU: NSN-9155
Condition: New
Shipping: Overnight Options
Warranty: 365 days