Power supply for Lenovo ThinkSystem, 1100W, for 230V/115V input, compatible with ThinkSystem series

Replacement power supply unit for Lenovo ThinkSystem servers, model 01PF504-RFB, rated at 1100W and supporting both 230V and 115V AC input. This direct-fit component is compatible with specified ThinkSystem models and is intended for use in rack or tower server environments where a reliable 1100W power source is required. The unit provides stable power delivery to reduce unexpected shutdowns and supports routine hardware maintenance, upgrades, and fast on-site replacements to minimize server downtime.

Advantages

The Lenovo 1100W power supply is designed to meet original equipment manufacturer (OEM) compatibility for ThinkSystem series servers, ensuring proper fit and electrical characteristics. Dual-voltage support (230V/115V) allows flexible deployment in different regional power infrastructures. The unit delivers consistent output at full rated power to support server CPUs, memory and drive subsystems, and it is suitable for enterprise-class uptime requirements. Using an original-spec replacement helps maintain warranty alignment and predictable thermal and electrical behavior in your server chassis.

Suitable for

• Replacing a failed or degraded power supply in compatible Lenovo ThinkSystem servers
• On-site hardware maintenance and rapid repair tasks to restore server operation
• Upgrading or stocking spare units for data center redundancy and hot-swap scenarios
• Use in rack or tower deployments where 1100W capacity and 230V/115V input flexibility are required

Key specifications

• Manufacturer: Lenovo
• Manufacturer part number (MPN): 01PF504-RFB
• Output power: 1100W
• Input voltage: 230V / 115V AC
• Compatibility: Lenovo ThinkSystem series (direct-fit replacement)
• Intended use: Server power supply for rack and tower ThinkSystem models

How to use

Before replacing the power supply, power down the server according to the manufacturer’s service procedures and disconnect AC input cables. Verify the replacement unit's MPN (01PF504-RFB) and compatibility with your ThinkSystem model. Install the power supply into the server chassis following Lenovo’s service manual guidance, secure mounting points and reconnect AC power to the appropriate voltage source (230V or 115V). After installation, power on the server and confirm proper operation through system LEDs and management interfaces. If the server supports hot-swap PSUs, follow the hot-swap procedure to replace the unit without full system shutdown.

Recommendations

Maintain a stock of compatible spare 1100W PSUs for critical systems, verify firmware and hardware compatibility before installation, and use qualified personnel for replacement to ensure safe handling and to preserve system integrity. Dispose of the old power supply according to local electronic waste regulations.