Your search for "10928" revealed the following:
Extreme 10928 X670-G2 Series 550W DC Back-to-Front airflow Switch Power Supply
SKU: NSB-4908
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 279.99
• Only 2 remaining
Call if you need more
NEW Extreme 10928 X670-G2 Series 550W DC B-F Airflow Switch Power Supply
SKU: NSN-0797
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 494.99
• 25 in stock
Call if you need more