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Category · 1 product compared

PC power supplies

A power supply must deliver enough power for the build, with a sensible margin for the graphics card. Its efficiency, shown by a certification, cuts heat and energy use. Modular cables make building easier, and a fan that stops under light load keeps the PC quieter. Choosing far more power than needed brings nothing except extra cost.

Rated on these criteria

  • Price
  • Total power
  • SATA connectors
  • Combined 12V rail power
The buying guide

Choose by use

The right product depends on the situation. Each page below takes the category’s criteria and changes their weight for one specific need.

PC power supply for light office work Compare PC power supplies for office use: word processing, web browsing, daily tasks without power-hungry components. Read PC power supply for graphics workstation Compare PC power supplies for demanding graphics work: 3D rendering, video editing, digital creation with high-performance components. Read PC power supply for home server Compare PC power supplies for home server: network storage, continuous services, multiple drives without dedicated graphics card. Read

What we rate in this category

Every product in the category is rated from 0 to 100 on these criteria : the same for all of them, whichever merchant sells it.

Read the full method
Price
The longer the bar, the lower the price compared to the market.
Total power
The total power delivered in watts. The longer the bar, the more energy the power supply can provide to demanding components.
SATA connectors
The number of SATA connectors to power hard drives and SSDs. The longer the bar, the more storage devices you can connect.
Combined 12V rail power
The power available on the 12V rail that powers the processor and graphics card. The longer the bar, the more the power supply supports high performance components.

Price brackets by tier

Orders of magnitude, not displayed prices: a price only appears on Kalyneo once it has been collected from a merchant, with its collection date.

Under €50

Limited power for basic setups, no efficiency certification or modular cables, often noisy fan.

€50 to €100

Power suited to typical builds, Bronze or Gold certification, semi-modular cables and decent fan.

Over €100

High power for demanding graphics cards, Gold or Platinum certification, modular cables and quiet fan.

The buying guide for this category PC power supply buying guide: choosing the right wattage A PC power supply is chosen first by its total wattage, which determines whether it can run all your components. The twelve-volt rail capacity then dictates compatibility with high-performance processors and graphics cards. Finally, the number of SATA connectors defines how many drives and SSDs you can install. Read the guide

1 product compared