Name: 54Y8891 Lenovo ThinkCentre E31 M72e 320-Watt Power Supply
Brand: Lenovo
SKU: 54Y8891
Price: 296.32 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Lenovo ThinkCentre E31 M72e 320-Watt Power Supply delivers steady power to specific Lenovo desktop models, ensuring that internal components receive the correct voltage and wattage. It fits neatly within the standard desktop form factor and is commonly used as a replacement or upgrade part to maintain the performance and reliability of existing systems.

General Information
Brand	Lenovo
Part Number	54Y8891
Product Type	Desktop Power Supply
Condition	Refurbished

Technical Information
Input Voltage	100-240V AC
Input Frequency	50-60Hz
Output	12V,5V,3.3V,-12V,5VSB
Max. Output Power	320W
Hot Swappable	No
Redundant Support	No
Cooling Type	Active Fan
Modularity	Non-Modular
rail_design	Single 12V Rail
Number of Fans	1

Compatibility
Form Factor	Proprietary
Compatible For	ThinkCentre M72e,ThinkCentre E31

Connectors
Connector Types	24-pin ATX, 4-pin CPU, SATA, Molex

Physical Characteristics
Weight	5.00

Certifications and Environmental
Compliance Standards	CE, FCC, UL

Product Description
This 320-Watt power supply unit provides reliable power delivery for Lenovo ThinkCentre E31 and M72e desktop models. It ensures consistent operation by supplying the necessary wattage to support internal components such as the motherboard, drives, and peripherals. Built specifically for these desktop configurations, it is often found in office and business environments where dependable computing is essential. IT technicians and system administrators commonly use this replacement part to maintain or restore desktop functionality without the need to replace the entire machine. Key Features Designed to fit Lenovo ThinkCentre E31 and M72e desktops precisely Offers consistent 320-Watt output to power all internal components Includes standard connectors for easy installation and compatibility Compact size that fits into standard desktop power supply bays Supports stable voltage regulation to protect hardware This power supply is typically deployed in office settings or workstations where Lenovo ThinkCentre systems are in use. It plays a crucial role in keeping workstations running smoothly by providing dependable power, reducing downtime caused by power issues.

Use Cases
The 54Y8891 Lenovo ThinkCentre E31 M72e 320-Watt Power Supply is primarily utilized in small to medium business (SMB) office environments where Lenovo ThinkCentre desktop systems are deployed. It serves IT administrators and support teams aiming to maintain system uptime and reliability in standard desktop setups without requiring extensive power capacity. How It's Used: Replacing faulty or aging power supplies in Lenovo ThinkCentre E31 and M72e desktops within SMB workstations to minimize downtime. Upgrading power components in office desktop fleets to ensure stable energy delivery under typical productivity workloads. Supporting remote office environments where equipment reliability and easy maintenance are critical for uninterrupted operations. Integrating into IT asset refresh cycles for enterprise IT departments managing mixed Lenovo desktop deployments. Facilitating repairs in on-site service and support scenarios to quickly restore desktop functionality. By providing consistent power delivery tailored to the Lenovo ThinkCentre E31 and M72e systems, this power supply supports operational continuity and helps maintain performance stability. It enables IT teams to scale maintenance efforts efficiently without overhauling existing hardware infrastructure.