The Lenovo ThinkSystem 450W (230V/115V) Platinum Hot-Swap Power Supply (Part Number: 4P57A12649) is a reliable and efficient power module designed specifically for Lenovo ThinkSystem SR250 servers. This hot-swappable power supply delivers 450 watts of power with support for a wide AC input range from 115 to 230 volts. Certified 80 PLUS Platinum, it ensures high energy efficiency and lower power consumption, making it an ideal choice for business environments prioritizing uptime and energy savings.

Key benefits include seamless hot-swapping capabilities, allowing the power supply to be replaced without shutting down the server, thereby minimizing downtime. It is designed to work in redundant power configurations, enhancing system reliability and fault tolerance. This power supply is compatible with Lenovo ThinkSystem SR250 machines, specifically machine types 7Y51 and 7Y52 (except for India).

By integrating this power supply unit, enterprises can maintain stable, efficient power delivery tailored for high-demand server workloads, ensuring consistent performance and operational continuity.

Key Features:

• 450 watts output power with hot-swap support for zero downtime


• Wide input voltage range: 115–230 VAC


• 80 PLUS Platinum certification for superior energy efficiency


• Compatible with Lenovo ThinkSystem SR250 server platform


• Ideal for redundant power supply configurations