
Too Many Power Supplies? Here's How to Choose the Right One
Discover key factors to consider when selecting the perfect power supply for your PC.
Last updated 2 weeks ago. Automatically generated content.


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Power refers to the wattage capacity of a PC power supply, which determines its ability to support computer components. Choosing the correct wattage is essential for ensuring stable performance and avoiding potential hardware failures.
Popular options
150 - 450 W
Typical price
68.– to 120.–Suitable for basic systems with minimal power requirements, such as office PCs or low-end desktops.
Offers energy efficiency and cost-effectiveness for users with non-intensive computing needs.
Bestseller
451 - 850 W
Typical price
68.– to 150.–Designed for mid-range to high-performance systems, including gaming PCs and workstations.
Provides a balance of power and efficiency, supporting multiple components like GPUs and additional storage devices.
Bestseller
851 - 1000 W
Typical price
140.– to 220.–Ideal for high-end gaming rigs or professional workstations with multiple GPUs and peripherals.
Ensures sufficient power headroom for overclocking and future upgrades, enhancing system longevity.
Bestseller
The form factor of a power supply unit (PSU) determines its physical dimensions and compatibility with a computer case. Choosing the right form factor is crucial for ensuring the PSU fits properly and provides adequate power for your system.
Popular options (you can select more than one)
ATX
Typical price
68.– to 150.–Standard size for most desktop PCs, offering a wide range of wattage options.
Ideal for mid to full-tower cases, providing flexibility and upgrade potential.
Bestseller
Micro ATX (mATX)
Typical price
150.– to 210.–Smaller than ATX, designed for compact and budget-friendly builds.
Suitable for smaller cases, striking a balance between size and performance.
Bestseller
SFX
Typical price
80.– to 170.–Compact design for small form factor (SFF) PCs, conserving space.
Perfect for mini-ITX builds, maximizing airflow in tight spaces.
Bestseller
Mini-ATX
Typical price
140.– to 180.–Even more compact than Micro ATX, for ultra-small builds.
Great for space-constrained setups, without sacrificing essential features.
Bestseller
The 80 PLUS certificate indicates the energy efficiency of a power supply unit, which affects its power consumption and heat production. Choosing a certified unit can lead to reduced electricity costs and a longer-lasting PC by minimizing unnecessary power draw and heat.
Popular options (you can select more than one)
Gold
Typical price
100.– to 170.–Guarantees at least 87% efficiency at 20% load, 90% at 50% load, and 87% at 100% load.
Offers a good balance between cost and efficiency, suitable for general users and gamers looking to save on energy bills.
Bestseller
Platinum
Typical price
160.– to 260.–Provides at least 90% efficiency at 20% load, 92% at 50% load, and 89% at 100% load.
Ideal for enthusiasts and professionals who need reliable performance and long-term savings on electricity.
Bestseller
Titanium
Typical price
260.– to 440.–Achieves at least 90% efficiency at 10% load, 92% at 20% load, 94% at 50% load, and 90% at 100% load.
Best for high-end systems where maximum efficiency translates to reduced operational costs and lower environmental impact.
Bestseller
Bronze
Typical price
61.– to 85.–Ensures at least 82% efficiency at 20% load, 85% at 50% load, and 82% at 100% load.
A budget-friendly option for basic systems where energy efficiency is important but not critical.
Bestseller
Modularity in power supply units refers to the flexibility of cable management, impacting ease of installation and airflow within the PC case. Choosing the right modularity level can simplify setup, reduce clutter, and enhance the cooling performance of your system.
Popular options (you can select more than one)
Modular cable management
Typical price
100.– to 190.–Allows for the complete customization of cables, with only the needed cables installed.
Improves airflow and aesthetics, making it ideal for tidy setups and custom builds.
Bestseller
Partially modular cable management
Typical price
68.– to 100.–Includes some fixed cables while others can be added or removed as needed.
Offers a balance between convenience and customization, suitable for users who want some flexibility without full modularity.
Bestseller
Permanently installed
Typical price
54.– to 100.–All cables are fixed and cannot be removed or altered.
Generally more affordable, but can lead to clutter, making it best for budget builds where cable management is less of a concern.
Bestseller
The brand factor in power supply units (PSUs) can significantly influence purchase decisions by reflecting reliability, performance, and innovation. Brands like be quiet!, Corsair, and Seasonic each offer unique features, affecting overall system stability and efficiency.
Popular brands (you can select more than one)
be quiet!
Renowned for its ultra-quiet and efficient power supplies.
Ideal for users prioritizing silent operation and high build quality.
Bestseller
Corsair
Famous for versatile and high-performance PSUs with diverse wattage options.
Great for gaming enthusiasts seeking robust power delivery and modular cabling.
Bestseller
Seasonic
Known for its pioneering technology and exceptional reliability.
Favored by professionals for its long lifespan and energy efficiency.
Bestseller
Thermaltake
Offers innovative designs with RGB lighting and strong cooling capabilities.
Perfect for users looking to personalize their setups with aesthetic features.
Bestseller
ASUS
Recognized for integrating high-end components and advanced cooling in its PSUs.
Suitable for high-performance builds requiring stable power and protection features.
Bestseller