Name: L255ES-01 Dell 255-Watt Power Supply for Dell OptiPlex 3020/9020
Brand: Dell
SKU: L255ES-01
Price: 105.58 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The Dell 255-Watts Power Supply for Dell Optiplex 3020 and 9020 models provides stable energy to keep these desktops running smoothly. It fits neatly inside the system's case and works well in environments where reliable power is a must, such as office setups and professional workstations.

General Information
Brand	Dell
Part Number	L255ES-01
Product Type	Desktop Power Supply
Condition	Refurbished

Technical Information
Input Voltage	100-240V AC
Input Frequency	50-60 Hz
Output	12V DC, 5VSB (standby)
Max. Output Power	255W
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	Dell OptiPlex 3020, Dell OptiPlex 9020 (SFF/MT variants depending on system configuration)

Connectors
Connector Types	SATA

Physical Characteristics
Weight	3.00

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

Product Description
This Dell 255-watts power supply is built to provide reliable power for Dell Optiplex 3020 and 9020 desktop computers. It's commonly found in office environments and business setups where consistent performance is required. Often used as a replacement or upgrade, this power supply supports system stability, making it suitable for IT professionals maintaining Dell systems or users needing dependable hardware support. Key Features Delivers consistent 255-watt power output tailored to specific Optiplex models Designed to fit perfectly within Dell Optiplex 3020 and 9020 chassis Ensures compatibility with Dell system components for smooth operation Includes standard connectors for straightforward installation Built to maintain efficient power management and reduce downtime This power supply is typically installed in Dell Optiplex desktops commonly used in offices, schools, and businesses. It plays a crucial role in keeping systems running without interruption and helps extend the life of your desktop hardware through stable power delivery.

Use Cases
The Dell 255-Watt Power Supply is tailored for mid-range desktop environments where consistent power delivery is critical. It is ideal for IT departments managing Dell Optiplex 3020 and 9020 systems within office ecosystems requiring reliable and stable energy sources for daily business operations. How It's Used: Supporting office workstations running productivity applications in SMBs, ensuring minimal downtime during peak hours. Providing stable power in professional environments such as architectural or engineering firms using CAD software on Dell Optiplex desktops. Maintaining operational continuity in call centers deploying Dell Optiplex 3020/9020 systems for high-volume communication tasks. Deploying in educational institutions for computer labs where steady power supports uninterrupted teaching and administrative activities. Facilitating reliable power in financial services environments where data processing and transaction accuracy depend on system stability. This power supply unit reinforces system reliability and longevity, enabling IT infrastructures to scale efficiently without compromising desktop performance. Its integration within Dell Optiplex models ensures streamlined maintenance and reduces hardware-related disruptions in mission-critical workflows.