Your search for "RPS9+I" revealed the following:
Ruckus RPS9+I ICX 7750 Series 500W AC B-F Airflow Switch Power Supply
SKU: NSB-0044
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 349.99
• Only 2 remaining
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NEW Ruckus RPS9+I ICX 7750 Series 500W AC B-F Air Switch Power Supply
SKU: NSN-0075
Condition: New
Shipping: Overnight Options
Warranty: 365 days