Lenovo HE 48VDC 750W Power Supply

Overview

The Lenovo 94Y7631 is a DC power supply module designed to deliver up to 750 watts of stable power for select Lenovo System x servers. Operating on a -48 volt input, it aligns with telecom-grade power systems commonly found in data centers and telecom environments. This power supply supports hot plug operation, allowing IT administrators to replace or add units without interrupting server uptime, which is critical for maintaining continuous service in demanding workloads.

Key features

• Delivers 750 watts of DC power tailored for Lenovo System x servers, ensuring reliable energy for critical applications
• Accepts -48 volt input, compatible with telecom and data center power infrastructures for clean and stable operation
• Hot plug capability enables module replacement or addition without shutting down the server, minimizing downtime
• Redundant ready design allows two modules to share the load and provide failover protection, enhancing system availability
• Tool-less plug-in installation with a secure locking mechanism simplifies maintenance and fits easily into tight rack spaces
• High efficiency design reduces power consumption and heat generation, helping control operational costs in dense server environments

Key specs

• Power output: 750 watts DC
• Input voltage: -48 volts DC
• Compatibility: Lenovo System x3550 M4, x3650 M4, and x3650 M4 HD servers
• Form factor: Plug-in module with tool-less locking mechanism
• Redundancy: Supports parallel operation for load balancing and failover

Connectivity and compatibility

This power supply is specifically engineered for Lenovo System x servers, including the x3550 M4, x3650 M4, and x3650 M4 HD models. Its design ensures seamless integration with these systems, maintaining compatibility and simplifying support. The -48 volt input makes it suitable for telecom-grade power environments, which are common in data centers and branch office setups.

Performance and reliability

With its hot plug feature and redundant ready design, this power supply supports continuous operation even during maintenance or unexpected faults. The high efficiency reduces heat output and power costs, which is essential for maintaining optimal conditions in server racks. This module is built to meet the demands of virtualized clusters, web hosting farms, and other mission-critical IT environments where uptime is paramount.

Installation and setup

The tool-less, plug-in form factor allows quick and easy installation or replacement without the need for specialized tools. The locking mechanism secures the unit firmly in place, even in tight rack spaces, enabling technicians to perform maintenance efficiently. This design helps reduce service interruptions and supports fast recovery in case of power supply issues.

Ideal uses and environments

This power supply is well suited to IT teams managing Lenovo System x servers in data centers, telecom facilities, and branch offices. It fits environments where stable, telecom-grade power is required and where minimizing downtime is critical. Its redundancy and hot swap capabilities make it a strong choice for virtualized infrastructures and web hosting operations that demand continuous availability.