Your search for "450-aebl" revealed the following:
Dell 450-AEBL PR21C PowerEdge R730 1100W AC Power Supply
SKU: NSH-7194
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 90 days
$ 46.99
• Only 3 remaining
Call if you need more
NEW Dell 450-AEBL PR21C PowerEdge R730 1100W AC Power Supply
SKU: NSN-9727
Condition: New
Shipping: Overnight Options
Warranty: 90 days
$ 149.99
• Only 2 remaining
Call if you need more