Your search for "RPS9+E" revealed the following:
Ruckus RPS9+E ICX 7750 Series 500W AC F-B Airflow Switch Power Supply
SKU: NSB-0048
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 245.99
• 29 in stock
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NEW Ruckus RPS9+E ICX 7750 Series 500W AC F-B Airflow Switch Power Supply
SKU: NSN-0076
Condition: New
Shipping: Overnight Options
Warranty: 365 days