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Power Supplies

Not sure which power supply is right for you? Read our Power Supplies Buying Guide

The power-supply unit, or PSU, powers all the components inside your PC. The main thing you need to know when shopping is the approximate wattage your system will consume, so roughly tally up the power consumption of your various components. It is recommended to over-spec a little to ensure reliable operation, and get a little extra for future upgrades. Also check that the PSU comes with enough connections for your build, and that it will fit inside your chassis. Modular PSUs allow you to minimise excess cabling by only having the connections you need attached, meaning your PC will not only look more professional but will also run cooler. The quality of a PSU can be indirectly derived by looking at its 80 PLUS rating, which defines its efficiency, with Bronze, Silver, Gold, Platinum and Titanium categories indicating ever-increasing power efficiency.

Under 500W ATX Power Supplies for Home & Office PCs

A power supply, or PSU, is the component that provides power to everything else inside your PC – and so it’s a crucial. Power supplies include a range of cables to plug into all of the standard components inside a computer. Some PSUs have modular cables, so you only need to fit the cables to you need, resulting in a neater build and better airflow inside the PC.

PSUs are also rated for efficiency, with a more efficient model consuming less power. The ratings go from Bronze to Silver, Gold, Platinum and Titanium.

These PSUs provide 300W, 350W, 400W, or 450W of power, making them ideal for everything from basic home and office PCs to entry-level gaming PCs.

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Tekspek An in-depth guide into tech: Power Supply units
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500W to 580W ATX Power Supplies for Single GPU PCs

A power supply, or PSU, is the component that provides power to everything else inside your PC – and so it’s a crucial. Power supplies include a range of cables to plug into all of the standard components inside a computer. Some PSUs have modular cables, so you only need to fit the cables to you need, resulting in a neater build and better airflow inside the PC.

PSUs are also rated for efficiency, with a more efficient model consuming less power. The ratings go from Bronze to Silver, Gold, Platinum and Titanium.

These PSUs provide up to 500W or 550W of power, making them ideal for gaming PCs and professional workstations with a single graphics card.

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Tekspek An in-depth guide into tech: Power Supply units
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600W to 780W ATX Power Supplies for Single or Dual GPU PCs

A power supply, or PSU, is the component that provides power to everything else inside your PC – and so it’s a crucial. Power supplies include a range of cables to plug into all of the standard components inside a computer. Some PSUs have modular cables, so you only need to fit the cables to you need, resulting in a neater build and better airflow inside the PC.

PSUs are also rated for efficiency, with a more efficient model consuming less power. The ratings go from Bronze to Silver, Gold, Platinum and Titanium.

These PSUs provide 600W, 650W, 700W, or 750W of power, making them ideal for gaming PCs and professional workstations with a single graphics card and some dual-graphics card configurations.

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Tekspek An in-depth guide into tech: Power Supply units
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800W to 880W ATX Power Supplies for Multi GPU PCs

A power supply, or PSU, is the component that provides power to everything else inside your PC – and so it’s a crucial. Power supplies include a range of cables to plug into all of the standard components inside a computer. Some PSUs have modular cables, so you only need to fit the cables to you need, resulting in a neater build and better airflow inside the PC.

PSUs are also rated for efficiency, with a more efficient model consuming less power. The ratings go from Bronze to Silver, Gold, Platinum and Titanium.

These PSUs provide 800W or more of power, making them ideal for high-end gaming PCs and professional workstations with a dual-graphics card configurations.

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Tekspek An in-depth guide into tech: Green computing at home 80 Plus certification Power Supply units
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1000W Plus ATX Power Supplies for Extreme PC Builds

A power supply, or PSU, is the component that provides power to everything else inside your PC – and so it’s a crucial. Power supplies include a range of cables to plug into all of the standard components inside a computer. Some PSUs have modular cables, so you only need to fit the cables to you need, resulting in a neater build and better airflow inside the PC.

PSUs are also rated for efficiency, with a more efficient model consuming less power. The ratings go from Bronze to Silver, Gold, Platinum and Titanium.

These 1000W, 1200W, 1300W, 1500W & even 1600W PSUs provide unparalled power, making them ideal for high-end gaming PCs and professional workstations with a multiple graphics cards and CPUs.

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Tekspek An in-depth guide into tech: Power Supply units
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SFX Power Supplies

These SFX power supplies are small form factor, which have reduced dimensions compared to standard ATX PSUs. Compact cases are sometimes designed with one of these form factors in mind – check that your PSU is compatible with your case.

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Tekspek An in-depth guide into tech: Green computing at home 80 Plus certification Power Supply units
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TFX Power Supplies

These TFX power supplies are small form factor, which have reduced dimensions compared to standard ATX PSUs. Compact cases are sometimes designed with one of these form factors in mind – check that your PSU is compatible with your case.

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Braided Cables - PSU

These braided cables come for the range of power requirements that a computer power supply unit supplies. The braiding ensures a neat cabling solution to the internals of your computer which translates to less obstruction to the internal air flow for your hardware. These range of cables include motherboard, VGA cards, hard drive extension and adaptor cables plus mains cables.

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