
Too many Power Supplies? Here's how to find the Right One
Here are five key factors to consider when choosing the right power supply for your PC.
Last updated 1 month ago. Automatically generated content.


Select options and limit the number of products
The form factor of a power supply unit (PSU) defines its size, shape, and compatibility with various computer cases. Choosing the right form factor is crucial as it affects the installation process, overall system compatibility, and airflow, which can influence system performance and cooling.
Popular options (you can select more than one)
ATX
Typical price
68.– to 160.–The ATX form factor is the most common size, typically measuring 150mm x 140mm, designed to fit standard mid-tower and full-tower cases.
This option provides ample power and connections for high-performance components, making it ideal for gaming and workstation builds.
Bestseller
SFX
Typical price
76.– to 160.–SFX power supplies are smaller, measuring 125mm x 100mm, and are designed for compact builds, often found in mini-tower or small form factor (SFF) cases.
They are perfect for users looking to build a space-saving system without compromising on performance, suitable for HTPCs or portable gaming rigs.
Bestseller
Flex ATX
Typical price
61.– to 120.–Flex ATX PSUs are slightly smaller than standard ATX, measuring 150mm x 81mm, designed for compact systems and specialized cases.
These are ideal for custom builds or systems requiring a more tailored fit, providing flexibility in tight spaces while maintaining sufficient power.
Bestseller
Mini-ITX
Typical price
17.– to 170.–Mini-ITX power supplies are compact units designed to fit smaller Mini-ITX cases, generally measuring around 150mm x 125mm.
They are essential for ultra-compact builds, offering a balance of power and efficiency while catering to users who prioritize portability and space-saving designs.
Bestseller
Power refers to the wattage output of a power supply unit (PSU), which is crucial for ensuring your PC components receive sufficient energy to operate effectively. Selecting the right power rating impacts system performance, stability, and the ability to upgrade components in the future.
Popular options
Up to 500 W
Typical price
57.– to 130.–Suitable for basic systems, including office PCs and low-end gaming setups, with minimal power requirements.
Provides adequate power for everyday tasks, making it a cost-effective choice for users with limited performance needs.
Bestseller
501 - 750 W
Typical price
64.– to 130.–Offers a balanced power supply for mid-range gaming rigs and workstations, supporting a variety of components.
Ideal for users who plan to run more demanding applications or want the flexibility to upgrade their hardware later.
Bestseller
751 - 1000 W
Typical price
120.– to 200.–Designed for high-performance gaming setups and workstations with multiple GPUs or power-hungry components.
Ensures reliability and stability during intensive tasks, making it suitable for gamers and professionals who require peak performance.
Bestseller
The 80 PLUS certification indicates a power supply's energy efficiency at various load levels, helping customers choose products that reduce electricity costs and minimize waste. Selecting a power supply with a higher rating not only saves money but also contributes to a more sustainable environment by lowering energy consumption.
Popular options (you can select more than one)
Gold
Typical price
100.– to 180.–Gold-certified power supplies operate at 87% efficiency or higher under a 20% load and 90% or higher under 50% load.
These supplies provide excellent energy savings, making them ideal for high-performance systems that run constantly, like gaming rigs or servers.
Bestseller
Platinum
Typical price
140.– to 260.–Platinum-certified units deliver at least 90% efficiency at 20% load, 92% at 50% load, and 89% at 100% load.
This level of efficiency significantly reduces energy costs over time, making it a great choice for users who prioritize eco-friendliness and long-term savings.
Bestseller
Silver
Typical price
54.– to 85.–Silver certification ensures a minimum of 85% efficiency at 20% load and 88% at 50% load.
This option strikes a balance between cost and efficiency, suitable for mid-range systems requiring reliable performance without high energy bills.
Bestseller
Bronze
Typical price
61.– to 85.–Bronze-certified power supplies provide at least 82% efficiency at 20% load and 85% at 50% load.
Ideal for budget builds, these supplies offer reasonable performance and cost-effectiveness, making them suitable for basic home or office computers.
Bestseller
Modularity refers to the design of a power supply in relation to its cables. Choosing the right type of modularity affects cable management, airflow within the case, and overall aesthetics, enhancing both performance and user experience.
Popular options (you can select more than one)
Modular cable management
Typical price
100.– to 200.–Allows users to connect only the cables they need for their build, reducing clutter.
Improves airflow and organization inside the case, leading to better cooling performance and easier upgrades.
Bestseller
Partially modular cable management
Typical price
68.– to 100.–Includes some fixed cables while allowing for the addition of modular cables as needed.
Offers a balance between convenience and customization, making it suitable for users who want flexibility without complete complexity.
Bestseller
Permanently installed
Typical price
57.– to 100.–Features all cables permanently attached to the power supply unit, limiting customization options.
Simplifies the installation process but can lead to increased clutter and reduced airflow if not managed properly.
Bestseller
The brand factor is crucial for consumers selecting a power supply unit, as it reflects reliability, performance, and warranty support. Brands like Corsair and Seasonic are known for their superior build quality, helping users avoid potential system failures and ensuring a stable power supply for gaming or professional work.
Popular brands (you can select more than one)
Corsair
Recognized for high-performance power supplies with customizable RGB lighting and robust cooling solutions.
Ideal for gamers and PC builders who value aesthetics and efficient power delivery.
Bestseller
be quiet!
Specializes in ultra-quiet power supplies that reduce noise levels during operation while maintaining efficiency.
Perfect for home or office setups where minimal sound is essential, delivering reliable power without disturbance.
Bestseller
Seasonic
Known for exceptionally high efficiency ratings and long-lasting components, often used in premium builds.
Recommended for enthusiasts looking for top-tier performance and reliability, ensuring stable power under heavy loads.
Bestseller
Thermaltake
Offers a variety of power supplies with modular designs and vibrant cooling options tailored for customization.
Great for users who enjoy personalizing their setups with modular cable management and aesthetic lighting features.
Bestseller
ASUS
Provides power supplies that integrate seamlessly with their motherboards, featuring advanced protection mechanisms.
Best suited for users looking for compatibility and enhanced performance in ASUS-based systems.
Bestseller