Your search for "Brocade 300" revealed the following:
Brocade BR-340-0008 300 Series 24x 8G Fibre Channel SFP (16x Active) SAN Switch
SKU: NSH-9851
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Brocade BR-320-0008 300 Series 24x 8GB Fibre Channel SFP (8x Active) SAN Switch
SKU: NSB-2311
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Brocade BR-340-0008 300 Series 24x 8GB Fibre Channel SFP (8x Active) SAN Switch
SKU: NSB-3148
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Dell Brocade DL-320-0005 300 Series 24x 8GB FC (16x Active) SAN Switch
SKU: NSH-6768
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Brocade DL-320-0001 24x 8GB Fibre Channel SFP (8x Active) SAN Switch
SKU: NSN-9700
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Brocade DL-320-0001 24x 8GB Fibre Channel SFP (8x Active) SAN Switch
SKU: NSN-9412
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Extreme Brocade BR-SLX-9240-32C-AC-F 32x 100GB QSFP28 F-B Airflow Switch
SKU: NSB-4670
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Brocade FI-SX800-DC FastIron SX Series 8x Slot Switch Chassis Bundle
SKU: NSN-9066
Condition: New
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
NEW Brocade FESX624HF+2XG-PREM-DC 24x 1GB SFP 4x 1GB Combo 2x XFP (DC) Switch
SKU: NSN-1510
Condition: New
Shipping: Overnight Options
Warranty: 365 days