Your search for "R2X0-PSU2-650W-SB" revealed the following:

Cisco R2X0-PSU2-650W-SB UCS Series 650W AC Server Power Supply

SKU: NSH-5982
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

$ 39.99

$ 61.99

• Only 2 remaining
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NEW Cisco R2X0-PSU2-650W-SB UCS Series 650W AC Server Power Supply

SKU: NSN-9607
Condition: New
Shipping: Overnight Options
Warranty: 365 days

$ 42.99

$ 49.99

• Only 2 remaining
Call if you need more