Your search for "Brocade 300" revealed the following:
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 FGS648P-POE FastIron GS 48x GE PoE RJ45 4x 1G SFP Switch
SKU: NSN-5717
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
Brocade BR-VDX6730-24-F 24x 10GB SFP+ (24x Active) Front-to-Back Airflow Switch
SKU: NSH-7574
Condition: Seller refurbished
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
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
Brocade BR-VDX6720-16-R 24x 10GB SFP+ (16x Active) Back-to-Front Airflow Switch
SKU: NSH-7531
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Brocade ICX6610-48P-PI 48x 1GB PoE+ RJ45 8x 1GB SFP B-F Airflow (P) Switch
SKU: NSB-6310
Condition: Seller refurbished
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-VDX6720-60-F 60x 10GB SFP+ (60x Active) Front-to-Back Airflow Switch
SKU: NSB-8437
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days