
Too Many Power Supplies? Here's How to Choose the Right One
Discover the key factors to consider when selecting the ideal power supply for your PC setup.
Last updated 5 hours ago. Automatically generated content.


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The form factor of a power supply unit (PSU) determines its size, shape, and compatibility with computer cases. Selecting the right form factor is crucial for ensuring that the PSU fits properly into your system and functions efficiently.
Popular options (you can select more than one)
ATX
Typical price
72,– to 160,–Standard size for most desktop PCs, measuring 150mm x 86mm x 140mm.
Ideal for mid to large-sized cases, offering a wide range of power outputs and features.
Bestseller
SFX
Typical price
85,– to 180,–Compact size, typically measuring 125mm x 63.5mm x 100mm.
Perfect for small form factor builds, providing efficient power delivery in limited spaces.
Bestseller
TFX
Typical price
54,– to 100,–Slim and elongated design, measuring approximately 85mm x 65mm x 175mm.
Best suited for narrow cases, such as slim desktops and home theater PCs.
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SFX-L
Typical price
130,– to 260,–Larger version of SFX, offering more room for components, usually 130mm in length.
Great for high-performance compact builds, balancing size with power capacity.
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The 80 PLUS certificate indicates the energy efficiency of a power supply, impacting its performance and operational cost. Choosing a power supply with a higher 80 PLUS rating can reduce electricity bills and enhance system reliability by minimizing heat generation.
Popular options (you can select more than one)
Gold
Typical price
100,– to 190,–Provides up to 87% efficiency at full load, reducing energy waste compared to lower-rated options.
A Gold certification balances performance and cost, making it suitable for most mainstream gaming and productivity setups.
Bestseller
Platinum
Typical price
160,– to 290,–Achieves up to 90% efficiency, significantly decreasing power consumption and heat output.
Ideal for high-performance systems, a Platinum-certified power supply offers improved stability and longevity.
Bestseller
Titanium
Typical price
240,– to 440,–Offers over 94% efficiency, ensuring minimal energy loss even under heavy load.
Best for enthusiasts and professionals seeking maximum efficiency and reliability, Titanium certification supports demanding applications and prolonged use.
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Internal connection options refer to the types of connectors a power supply uses to connect with the motherboard and other internal components. These connections are crucial because they determine compatibility with various hardware components, ensuring stable and efficient power delivery.
Popular options (you can select more than one)
20+4 PIN ATX power connector (1x)
Combines a 20-pin connector with a detachable 4-pin section for flexibility.
Ideal for older and newer motherboards, offering backward compatibility and easy upgrades.
Bestseller
24-pin ATX power connector (1x)
Standard connector that provides power to the motherboard.
Ensures compatibility with most modern motherboards, facilitating stable system performance.
Bestseller
6+2-pin PCI Express (4x)
Consists of a 6-pin connector with an optional 2-pin for additional power.
Supports high-power graphics cards, enhancing gaming and graphic-intensive application performance.
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The power rating of a power supply unit (PSU) dictates the maximum electrical output it can deliver to a PC, influencing system performance and stability. Choosing the appropriate power range is crucial for ensuring that your PC components operate efficiently and without risk of power shortages.
Popular options
Up to 400 W
Typical price
57,– to 110,–Suitable for basic systems with minimal hardware and low power requirements.
Ideal for entry-level PCs used for web browsing, office applications, and media playback.
Bestseller
401 - 700 W
Typical price
61,– to 140,–Provides sufficient power for mid-range systems with multiple components.
Recommended for gaming PCs and workstations that require more power for graphics cards and processors.
Bestseller
701 - 1000 W
Typical price
100,– to 190,–Supports high-performance systems with multiple GPUs and extensive hardware.
Best for enthusiasts and professionals running resource-intensive applications and demanding games.
Bestseller
Choosing a brand for your PC power supply is crucial, as it affects reliability, efficiency, and overall system performance. Brands like Corsair, Seasonic, and ASUS offer diverse options, from budget-friendly models to high-performance units for gaming enthusiasts.
Popular brands (you can select more than one)
be quiet!
Specializes in silent operation power supplies, perfect for noise-sensitive environments.
Offers reliable performance with efficient cooling, ideal for quiet computing setups.
Bestseller
Corsair
Well-known for its high-quality, gamer-focused power supplies.
Provides excellent durability and performance, suitable for demanding gaming rigs.
Bestseller
Thermaltake
Offers a wide range of power supplies for every budget and need.
Known for customizable features, making it ideal for personalized setups.
Bestseller
Seasonic
Renowned for producing highly efficient and reliable power supplies.
Perfect for users seeking long-term dependability and energy savings.
Bestseller
ASUS
Produces innovative power supplies with advanced cooling technologies.
Great for high-performance builds, offering robust power delivery and stability.
Bestseller