Name: HP-U2757F331 Dell 275W Power Supply for OptiPlex 740/745
Brand: Dell
SKU: HP-U2757F331
Price: 88.40 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The HP-U2757F331 Dell 275-Watts Power Supply is a reliable replacement designed specifically for the OptiPlex 740 and 745 desktop models. It provides the necessary power to keep these systems operational and stable, fitting seamlessly within the chassis to support everyday computing needs.

General Information
Brand	Dell
Part Number	HP-U2757F331
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	275W
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	SKU: HP-U2757F331 - Dell 275W Power Supply for OptiPlex 740 / OptiPlex 745 (replacement/compatible)

Connectors
Connector Types	20+4-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 275-watt power supply is built for Dell OptiPlex 740 and 745 desktop computers, providing steady and efficient power to the system. It's commonly found in office environments and small business setups where reliable desktop performance is essential. Technicians and users looking to replace or upgrade their existing power supply will find this unit aligns well with the original specifications. Key Features Precision-engineered to fit the OptiPlex 740 and 745 models without modification Ensures consistent power delivery for daily computing tasks Compact form factor facilitates straightforward installation Built to meet Dell's standards for durability and performance Helps sustain system stability under typical workloads Typically deployed inside Dell OptiPlex 740 and 745 desktops, this power supply keeps systems running smoothly in office and professional settings. It plays a crucial role in maintaining the longevity of the machine by providing clean power and reducing risk of unexpected shutdowns.

Use Cases
The HP-U2757F331 power supply is typically utilized in business and institutional environments where Dell OptiPlex 740 and 745 desktops are deployed. It is suited for IT departments managing mid-life desktop systems requiring consistent power delivery to maintain system reliability during daily operations. How It's Used: Replacing aging or failing power supplies in office desktops to minimize downtime in SMB environments. Supporting workstation uptime in educational institutions relying on OptiPlex 740/745 systems for lab and administrative tasks. Maintaining stable power for OptiPlex desktops used in call centers where continuous operation is critical. Facilitating hardware refresh cycles in enterprise IT departments by providing compatible replacement parts. Ensuring consistent power delivery for remote office desktops where immediate technical support is limited. This power supply contributes to maintaining operational efficiency by ensuring stable power within desktop systems, which helps avoid unexpected failures. By providing a direct replacement option, it supports scalability in hardware maintenance strategies for organizations continuing to rely on OptiPlex 740/745 platforms.