Replacement 550W Switching Power Supply

For Matching HP Tower and Workstation Systems

Identification

HP Part Number: L75200-001
Power Supply Model: PA-5551-1HA
Rated Power: 550W
Efficiency Rating: 80 PLUS Platinum

Important: This power supply uses a proprietary connector configuration. It is not a standard universal 24-pin ATX power supply.Electrical Ratings

AC Input: 100-240V~, 6.6A, 50-60Hz
DC Output: Multiple +12.1V rails
Maximum Combined Output: 550W

Compatible Systems

Commonly used with selected HP Z2, EliteDesk 800 and EliteDesk 880 G4, G5 and G6 Tower/MT configurations. Exact compatibility depends on the original power-supply part number, chassis and connector layout.

Connectors

Dual PCI-E 8-pin (6+2-pin), three 4-pin connectors and one 7-pin connector. Please use the listing photos as the final reference for connector quantity, wire arrangement and plug shape.

What You Will Receive

One 550W internal power supply with attached cables, exactly as pictured. The AC power cord, screws and adapters are not included.

Installation Notes

Disconnect the computer from AC power before removing the original power supply. Do not order by wattage alone. Verify L75200-001 or PA-5551-1HA and compare all connectors and mounting points before purchase. Professional installation is recommended.

US Stock | 1-Business-Day Handling | 30-Day Free Returns | 1-Year Warranty