Your search for "FESX624HF+2XG-PREM" revealed the following:
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 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