Name: 57K42 Dell 250W Power Supply for Studio Inspiron & Vostro Slim SFF Models
Brand: Dell
SKU: 57K42
Price: 282.33 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Dell 250-Watt Power Supply is a purpose-built unit that fits slim line small form factor desktops like the Studio Inspiron and Vostro series. It provides the necessary power within a compact design, making it suitable for space-conscious setups that still require dependable energy delivery for everyday computing tasks.

General Information
Brand	Dell
Part Number	57K42
Product Type	Desktop Power Supply
Condition	Refurbished

Technical Information
Input Voltage	100-240VAC
Input Frequency	50-60Hz
Output	+12V,+5V,+3.3V,-12V,+5VSB
Max. Output Power	250W
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	Studio/Inspiron Slim 530S,531S,537S,540S,Vostro 200,200s,220s,400

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

Physical Characteristics
Weight	5.00

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

Product Description
This 250-watt power supply is designed to provide steady and efficient power to select Dell Studio Inspiron and Vostro slim line small form factor desktops. It’s often found in compact office or home environments where space-saving is key but reliable performance remains essential. Built for these specific models, the PSU ensures compatibility while maintaining a low profile within the system chassis. Users who need a straightforward power solution for their Dell SFF desktops—such as office professionals or students—often rely on this unit to keep their systems running smoothly. Key Features Specifically engineered for Dell Studio and Vostro slim line small form factor PCs Provides 250 watts of power suitable for everyday desktop applications Compact form factor fits neatly inside slim chassis designs Includes standard connectors for seamless installation and compatibility Offers stable voltage regulation to protect internal components This power supply is commonly deployed in business and personal desktop setups where space is limited. It plays a crucial role in maintaining reliable system operation without the bulk of a traditional power supply. By matching the power needs of the supported Dell models, it helps avoid compatibility issues and keeps desktops running efficiently over time.

Use Cases
The Dell 250W Power Supply is primarily deployed in compact desktop environments where space constraints dictate the need for slim form factor power solutions. IT administrators managing small to medium business offices or educational labs benefit from its reliable power delivery in Dell Studio Inspiron and Vostro SFF desktops tailored for routine office productivity and moderate multitasking workloads. How It's Used: Supporting workstation setups in SMB offices requiring consistent power within limited chassis space. Enabling computer labs in educational institutions where compact desktops run standard applications. Powering remote or branch office desktops where maintenance simplicity and dependability are critical. Facilitating environments running virtualization clients or thin client replacements with low to moderate power demands. Providing efficient power for call center desktops focused on uninterrupted daily operation. This power supply enhances operational stability by fitting into space-restricted systems without compromising energy delivery, supporting scalability in office deployments with existing Dell slim SFF models. Its design ensures that day-to-day computing environments maintain consistent performance and uptime.