Power supply Lenovo PWRSUPPLY FRU7.4l 260W 90% efficiency, compatible with select Lenovo systems

The Lenovo PWRSUPPLY FRU7.4l is a 260W internal power supply unit designed for use in compatible Lenovo desktops and server systems. With up to 90% efficiency, this PSU provides stable DC rails for system components, supports sustained operation under load, and reduces energy loss compared with lower-efficiency units. The unit is intended as a compatible replacement to help restore system reliability and consistent performance.

Advantages

This 260W power supply offers high conversion efficiency of up to 90%, which lowers heat generation and reduces overall power consumption. Its internal design supplies stable voltages to essential components, helping to prevent unexpected shutdowns and performance instability. The compact form factor and compatibility with selected Lenovo systems make it suitable for direct replacement installations without significant modifications.

Suitable for

• Replacing a failed or underperforming internal power supply in compatible Lenovo desktops or rack/workstation servers
• Restoring stable power delivery after system upgrades or component additions
• Maintenance or refurbishment of enterprise or office machines where original specifications are required

Key specifications

• Rated output power: 260W
• Efficiency: up to 90%
• Form factor: internal PSU compatible with select Lenovo systems
• Cooling: internal fan-assisted cooling (built-in)
• Output characteristics: multiple DC rails for system components (voltage regulation designed for desktop/server use)
• Protection features: built-in protection against common power faults (overcurrent, overvoltage, short-circuit protection as implemented by manufacturer)

How to use

Before installation, power down the computer and disconnect it from mains power. Open the chassis according to the system manufacturer's service instructions, locate the existing power supply, and disconnect all power connectors from the motherboard and internal components. Remove the old unit and install the replacement PSU in the same orientation, secure it with the original mounting screws, and reconnect all power cables to the appropriate connectors. Close the chassis, reconnect mains power, and perform a power-on test to confirm stable operation. If available, consult the system maintenance manual for model-specific installation steps and precautions.

Recommendations

Use this power supply in environments with adequate ventilation and stable mains voltage. Ensure that connected components do not exceed the combined rated output of 260W. Periodically inspect the unit and system for dust accumulation and verify fan operation to maintain cooling efficiency.