Your search for "UCSC-PSU1-1050W" revealed the following:
Cisco UCSC-PSU1-1050W UCS Series 1050W AC Server Power Supply
SKU: NSH-3134
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 42.99
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NEW Cisco UCSC-PSU1-1050W UCS Series 1050W AC Server Power Supply
SKU: NSN-6096
Condition: New
Shipping: Overnight Options
Warranty: 365 days