Name: 143FN Dell 155W 100-240V ATX Power Supply for OptiPlex 3240 AIO
Brand: Dell
SKU: 143FN
Price: 140.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Dell 155-Watt ATX Power Supply for OptiPlex 3240 AIO delivers reliable power designed specifically for this all-in-one desktop model. It fits within the compact chassis while supporting a wide voltage input, making it a solid replacement or upgrade option. This power supply ensures the system operates smoothly under varied electrical conditions without adding bulk or complexity.

General Information
Brand	Dell
Part Number	143FN
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	155W
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	Dell OptiPlex 3240 AIO,OptiPlex 3240

Connectors
Connector Types	24-pin ATX, 4-pin CPU, 8-pin CPU, SATA, Molex

Physical Characteristics
Weight	3.00

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

Product Description
This Dell 155-watt ATX power supply is built specifically for the OptiPlex 3240 All-in-One desktops, providing reliable and consistent power to the internal components. It's commonly found in office and business environments where compact, integrated desktop solutions are preferred. Often used by IT professionals maintaining Dell systems, it ensures your AIO runs smoothly without interruptions. The unit handles a wide voltage range, making it versatile for different regions and power conditions. Key Features Maintains stable 155-watt output tailored for OptiPlex 3240 AIO hardware Handles 100-240V input to support global voltage standards Compact ATX form factor fits neatly inside the AIO chassis Durable design that meets Dell’s specifications for performance and safety Helps prevent system crashes and power-related failures This power supply is typically installed inside Dell OptiPlex 3240 All-in-One desktops found in corporate offices, schools, and other professional setups. It plays a critical role in keeping the system running efficiently and avoiding downtime related to power issues.

Use Cases
The Dell 155W ATX Power Supply for OptiPlex 3240 AIO is primarily utilized in environments where compact, integrated desktop systems are standard. IT administrators managing office workstations, educational labs, or customer-facing terminals benefit from its stable power delivery tailored to all-in-one form factors. How It's Used: Supporting office desktop deployments requiring reliable power in limited space setups. Equipping educational institutions with efficient power units for all-in-one computers in computer labs. Maintaining customer service points with compact systems that demand consistent electrical performance. Enabling remote or branch office environments to leverage integrated desktop solutions with stable power needs. Facilitating small business IT environments where workspace optimization and hardware reliability are critical. By matching the compact design of the OptiPlex 3240 AIO, this power supply contributes to operational stability and efficiency. It ensures continuous performance in diverse electrical conditions, supporting scalable IT configurations without requiring larger or more complex hardware setups.