Lenovo ThinkSystem 450W Platinum Hot-Swap Power Supply

Overview

The Lenovo 4P57A12649 is a 450W hot-swap power supply designed to provide reliable and efficient power for Lenovo ThinkSystem SR250 servers and compatible models. It supports both 120V and 230V input voltages, making it suitable for a range of environments from office setups to data centers. Its 80 Plus Platinum certification ensures high energy efficiency, helping to reduce power waste and operating costs while maintaining stable performance.

Key features

• Hot-swap design allows replacement or installation without shutting down the server, minimizing downtime during maintenance or unexpected failures.
• 80 Plus Platinum certification delivers high energy efficiency, reducing electricity consumption and heat generation.
• Supports dual input voltages (120V and 230V), providing flexibility for different power environments worldwide.
• ATX connector with 20+4 pin configuration ensures compatibility with Lenovo ThinkSystem SR250 7Y51 and 7Y52 models.
• Air-cooled system maintains optimal operating temperatures for consistent performance and longevity.
• Compact and lightweight design (4.72 x 16.14 x 3.54 inches, 880 grams) fits easily into server chassis without adding unnecessary bulk.

Key specs

• Output power: 450 watts
• Input voltage: 120V / 230V
• Connector type: ATX 20+4 pin
• Certification: 80 Plus Platinum
• Dimensions: 4.72 x 16.14 x 3.54 inches
• Weight: 880 grams
• Cooling method: Air-cooled

Compatibility and practical use

This power supply is specifically designed for Lenovo ThinkSystem SR250 servers, including models 7Y51 and 7Y52, ensuring seamless integration and reliable power delivery. Its hot-swap capability makes it an excellent choice for IT professionals who require uninterrupted server operation during power supply replacements. The dual voltage support allows it to be used in various regions without additional adapters or modifications.

Ideal environments and users

The Lenovo 4P57A12649 fits well in small to medium-sized data centers, office server rooms, and remote IT setups where maintaining uptime is critical. It is a strong option for system administrators and IT teams who need a dependable, energy-efficient power supply that can be quickly swapped to avoid service interruptions. Its efficient cooling and compact size also make it suitable for dense server racks where space and thermal management are important considerations.