Your search for "brocade 300" revealed the following:
Brocade ICX6610-48P-I 48x 1GB PoE+ RJ45 8x 1GB SFP B-F Airflow (Base) Switch
SKU: NSB-6309
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 BR-5120-0004 40x 4GB Fibre Channel SFP (24x Active) Switch
SKU: NSB-6869
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Brocade BR-6520-96-16G-R 6520 Series 96x 16G FC SFP+ (96x Active) SAN Switch
SKU: NSN-3581
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Brocade ICX6610-48-PE 48x 1GB RJ45 8x 1GB SFP F-B Airflow (Premium) Switch
SKU: NSN-1984
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Brocade ICX6610-24-E 24x 1GB RJ45 8x 1GB SFP 4x 40GB QSFP+ F-B Air Switch
SKU: NSN-7872
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Brocade ICX6610-24-I 24x 1GB RJ45 8x 1GB SFP 4x 40GB QSFP+ B-F Air Switch
SKU: NSN-7873
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Brocade FESX624HF+2XG-PREM 24x 1G SFP 4x 1G Combo 2x 10G XFP Switch
SKU: NSN-3369
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme Brocade BR-MLX-40Gx4-M 4x 40GB QSFP+ Router Module
SKU: NSN-2651
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Brocade BR-6510-24-16G-F 48x 16GB Fibre Channel SFP+ (24x Active) SAN Switch
SKU: NSB-6161
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days