Name: 45J9421 Lenovo 280W Power Supply for ThinkCentre M57 M58 Desktop
Brand: Lenovo
SKU: 45J9421
Price: 83.25 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The 45J9421 Lenovo 280-Watts Power Supply supports steady power delivery specifically for ThinkCentre M57 and M58 desktop models. It fits directly into these systems to replace or upgrade the existing unit, providing reliable energy for typical office computing needs.

General Information
Brand	Lenovo
Part Number	45J9421
Product Type	Desktop Power Supply
Condition	Refurbished

Technical Information
Input Voltage	AC 100-240V
Input Frequency	50/60 Hz
Output	12V,5V,3.3V,-12V,5VSB
Max. Output Power	280W
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	ATX
Compatible For	Lenovo ThinkCentre M57,Lenovo ThinkCentre M58

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

Physical Characteristics
Weight	3.00

Certifications and Environmental
Compliance Standards	RoHS, CE, FCC, UL, cULus

Product Description
This 280-watt power supply is built for Lenovo ThinkCentre M57 and M58 desktop computers, providing consistent power to essential system components. It’s commonly used when replacing or upgrading the existing power unit to maintain system stability. Often found in office or business environments, it supports the needs of users who rely on their desktops for everyday computing tasks, including document editing, internet browsing, and running business applications. Key Features Provides steady 280-watt output tailored for Lenovo desktops Ensures compatibility with M57 and M58 models for hassle-free replacement Maintains original power standards for reliable operation Compact design fits easily into the existing chassis Delivers efficient energy use to support system longevity This power supply is typically installed in office desktops where dependable performance is essential. It helps avoid power-related interruptions, keeping systems running smoothly during daily tasks.

Use Cases
The 45J9421 Lenovo 280-Watt Power Supply is primarily utilized in office environments where Lenovo ThinkCentre M57 and M58 desktops are deployed. IT administrators and support teams benefit from its reliable power delivery to maintain consistent operation of business-critical applications in small to medium-sized enterprises. How It's Used: Replacements in SMB office workstations to restore stable power and minimize downtime. Upgrading legacy ThinkCentre desktops in educational institutions requiring consistent energy efficiency. Deployment in remote branch offices supporting administrative and clerical workloads. Use in call centers where multiple Lenovo desktops operate continuously under moderate loads. Integration in corporate IT labs for testing and development on legacy hardware platforms. This power supply supports operational continuity by providing steady and compatible energy delivery, which is critical for maintaining system reliability. Its compatibility and form factor ensure seamless integration, allowing IT teams to scale maintenance tasks without compromising desktop performance.