Your search for "msx60-pf" revealed the following:
Mellanox MSX60-PF Infiniband 300W AC B-F Airflow (P2C) Switch Power Supply
SKU: NSB-2857
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Mellanox MSX60-PF Infiniband 300W AC B-F Airflow (P2C) Switch Power Supply
SKU: NSN-8948
Condition: New
Shipping: Overnight Options
Warranty: 365 days