400W Power Supply Compatible with HP 280 288 285 480 600 680 800 G3 G4 Power Supply L04618-400 PA-3401-2HA PA-3401-1HA L04618-800

POWER DESIGN: This 400W desktop power supply provides a stable and consistent power output for systems requiring +12.1V rails, delivering smooth performance for CPU, motherboard, and internal components. It is designed for users restoring older systems or upgrading unstable units while maintaining reliable operation in office and home environments. COMPATIBLE WITH MULTIPLE MODELS: Compatible with desktop systems in the HP ProDesk MT family, including 280, 285, 288, 480, 680, 800 Pro MT, and 600 G4 units. This PSU matches the requirements of systems originally equipped with the listed OEM part numbers, helping ensure proper fit and stable power delivery without modification. KEY PART NUMBERS: Compatible with L04618-400, L04618-800, PA-3401-1HA, PA-3401-2HA, L76557-001, and 942332-001. These OEM references help verify compatibility across a wide range of configurations designed for tower-type business desktops requiring a dependable 400W supply with multiple 12.1V output channels. FULL CONNECTOR SUPPORT: Includes 4Pin, 4Pin, 8Pin, and 7Pin connectors to match original system wiring for CPU and motherboard power needs. These connectors ensure the supply can properly interface with mainboards used in HP tower systems, supporting stable voltage distribution during everyday workloads and extended use sessions. PACKAGE CONTENTS AND WARRANTY: The package includes a 400W desktop power supply designed for systems requiring multiple 12.1V output rails. Supported by 24-month warranty coverage and responsive customer service to assist with installation or compatibility questions when restoring or maintaining your desktop system.