Are you tired of sifting through countless options for small factor power supplies? Choosing the right manufacturer can make all the difference in performance and reliability. Discovering the top factories not only saves you time but also ensures you get the best quality. Read on to find your perfect match!

Best SFX PSU or Power Supply for Mini ITX and SFF Cases in 2025

Product Details: SilverStone 450W SFX PSU 80 Plus Bronze (ST45SF-V3)

Technical Parameters:
– Wattage: 450W
– 12V Rail: 36 Ampere (Single Rail)
– Fan Size: 92mm
– 80 Plus Certification: Bronze
– PCI Express Connector: 6 Pin x 1
– Warranty: 3 years

Application Scenarios:
– Mini-ITX gaming PC
– SFF Workstation
– HTPC

Pros:
– Good build quality
– Affordable price
– Supports mid-range graphics cards

Cons:
– Fan is not very silent
– Limited availability of SFX PSUs

SFX Power Supplies | SFF PC PSUs – CORSAIR

Product Details: SFX Power Supplies (PSUs) from CORSAIR are compact power supplies designed for small form-factor builds, offering high efficiency and reliability.

Technical Parameters:
– 80 PLUS Efficiency: Platinum and Gold ratings
– Continuous Power: Available in 750W, 850W, and 1000W

Application Scenarios:
– Ideal for small form-factor PC builds requiring compact power solutions
– Suitable for high-performance gaming and workstation setups

Pros:
– Compact size suitable for small cases
– High efficiency ratings ensure reliable power delivery

Cons:
– Potentially higher cost compared to ATX power supplies
– Limited compatibility with larger cases without adapters


SFX Power Supplies | SFF PC PSUs - CORSAIR

small factor power supply – Newegg.com

Product Details: Intel Core 2 Duo E6600 Processor

Technical Parameters:
– Dual-core processor
– Clock speed: 2.4 GHz

Application Scenarios:
– General computing tasks
– Gaming in 2006

Pros:
– Great price point
– Outperforms higher-priced CPUs

Cons:
– Older technology
– Limited performance for modern applications

Best SFX Power Supply in 2025 – our top picks – PC Guide

Product Details: Corsair SF850L

Technical Parameters:
– Wattage: 850W
– Form Factor: SFX-L, Rating: 80 Plus Gold, Cybenetics Platinum, Design: Fully mod…

Application Scenarios:
– Small form-factor PCs
– High-performance builds requiring efficient power delivery

Pros:
– Fully modular design for optimal cable management
– PCIe 5.0 compatible

Cons:
– Requires careful consideration of case size
– None specified


Best SFX Power Supply in 2025 - our top picks - PC Guide

400w small form factor power supply – Newegg.com

small form factor psu – Newegg.com

Product Details: Small form factor power supply units (PSUs) designed for compact desktop computers and systems requiring efficient power solutions.

Technical Parameters:
– Wattage: 240W to 1200W
– Form Factor: SFX, TFX, Mini ITX

Application Scenarios:
– Ideal for small form factor (SFF) desktop builds.
– Suitable for gaming PCs and compact workstations.

Pros:
– Space-saving design for compact builds.
– Efficient power delivery with various wattage options.

Cons:
– Limited upgrade options due to size constraints.
– Potentially higher cost compared to standard ATX PSUs.

Best 750W SFX Power Supply for Small Form Factor Builds in 2025

Product Details: 750W SFX Power Supply designed for small form factor builds, optimized for mini-ITX cases.

Technical Parameters:
– 80 Plus Gold or Platinum efficiency rating
– Modular cabling for better airflow and cable management

Application Scenarios:
– Compact Gaming PCs with high-end GPUs
– Creator and Streaming PCs requiring multiple components

Pros:
– Provides extra headroom for overclocking and future upgrades
– High energy efficiency reduces heat and noise

Cons:
– May be overkill for mid-range systems
– Limited compatibility with non-SFX cases


Best 750W SFX Power Supply for Small Form Factor Builds in 2025

small form factor power supply – Newegg.com

Product Details: Small Form Factor Power Supply

Technical Parameters:
– Max PSU Length: 150 to 140mm
– Maximum Power: 1200W – 1499W

Application Scenarios:
– Ideal for compact PC builds
– Suitable for gaming and workstation setups

Pros:
– Space-saving design
– Efficient power delivery

Cons:
– Limited upgrade options
– Potential compatibility issues with larger components

Best SFX PSU | Windows Central


Best SFX PSU | Windows Central

Best TFX PSU for Slim Small Form Factor Low Profile PC & HTPC

Product Details: A TFX PSU is a Thin Form Factor Power Supply for low profile and small form factor computers, generally up to 300 Watts.

Technical Parameters:
– Dimensions: 175mm (L) × 85 mm (W) × 65mm (H)
– Cooling: Top/bottom mounted 80mm fan

Application Scenarios:
– Slim Small Form Factor PCs
– Home Theater PCs (HTPC)

Pros:
– Compact size fits in low-profile cases
– Lower power consumption suitable for basic builds

Cons:
– Limited to 300W power capacity
– No modular options available


Best TFX PSU for Slim Small Form Factor Low Profile PC & HTPC

Related Video

Comparison Table

Company Product Details Pros Cons Website
Best SFX PSU or Power Supply for Mini ITX and SFF Cases in 2025 SilverStone 450W SFX PSU 80 Plus Bronze (ST45SF-V3) – Good build quality – Affordable price – Supports mid-range graphics cards – Fan is not very silent – Limited availability of SFX PSUs graphicscardhub.com
SFX Power Supplies SFF PC PSUs – CORSAIR SFX Power Supplies (PSUs) from CORSAIR are compact power supplies designed for small form-factor builds, offering high efficiency and reliability. – Compact size suitable for small cases – High efficiency ratings ensure reliable power delivery – Potentially higher cost compared to ATX power supplies – Limited compatibility with larger cases without adapters
small factor power supply – Newegg.com Intel Core 2 Duo E6600 Processor – Great price point – Outperforms higher-priced CPUs – Older technology – Limited performance for modern applications www.newegg.com
Best SFX Power Supply in 2025 – our top picks – PC Guide Corsair SF850L – Fully modular design for optimal cable management – PCIe 5.0 compatible – Requires careful consideration of case size – None specified www.pcguide.com
400w small form factor power supply – Newegg.com www.newegg.com
small form factor psu – Newegg.com Small form factor power supply units (PSUs) designed for compact desktop computers and systems requiring efficient power solutions. – Space-saving design for compact builds. – Efficient power delivery with various wattage options. – Limited upgrade options due to size constraints. – Potentially higher cost compared to standard ATX PSUs. www.newegg.com
Best 750W SFX Power Supply for Small Form Factor Builds in 2025 750W SFX Power Supply designed for small form factor builds, optimized for mini-ITX cases. – Provides extra headroom for overclocking and future upgrades – High energy efficiency reduces heat and noise – May be overkill for mid-range systems – Limited compatibility with non-SFX cases acegamingpc.com
small form factor power supply – Newegg.com Small Form Factor Power Supply – Space-saving design – Efficient power delivery – Limited upgrade options – Potential compatibility issues with larger components www.newegg.com
Best SFX PSU Windows Central
Best TFX PSU for Slim Small Form Factor Low Profile PC & HTPC A TFX PSU is a Thin Form Factor Power Supply for low profile and small form factor computers, generally up to 300 Watts. – Compact size fits in low-profile cases – Lower power consumption suitable for basic builds – Limited to 300W power capacity – No modular options available graphicscardhub.com

Frequently Asked Questions (FAQs)

What is a small factor power supply factory?

A small factor power supply factory specializes in manufacturing compact and efficient power supplies for various electronic devices. These factories focus on producing power supplies that are smaller in size but still deliver reliable performance, making them ideal for applications where space is limited.

What types of products do small factor power supply factories produce?

These factories typically produce a range of products, including AC-DC adapters, DC-DC converters, and custom power supply solutions. Their offerings are used in consumer electronics, telecommunications, medical devices, and industrial applications, among others.

What are the benefits of using small factor power supplies?

Small factor power supplies are designed to save space while maintaining high efficiency. They often consume less energy, generate less heat, and can be easily integrated into compact devices. This makes them ideal for modern electronics that require reliable power in tight spaces.

How do I choose the right small factor power supply for my project?

To choose the right power supply, consider the voltage and current requirements of your device, the available space, and any specific certifications needed for safety or efficiency. Consulting with manufacturers or reviewing product specifications can also help you make an informed decision.

Are small factor power supplies energy efficient?

Yes, small factor power supplies are often designed with energy efficiency in mind. Many models comply with international efficiency standards, which means they convert more input power into usable output power, reducing energy waste and lowering your overall energy costs.