Under 500W ATX Power Supplies for Home & Office PCs

PSUs (Power Supply Units) supply electricity to the components inside your system. It's important to pick a good-quality PSU to ensure a stable supply of power, low noise and not to waste too much electricity.

In this category you'll find a variety of ATX 2.x PSUs which are rated up to deliver up to 500W, making them suitable for home office or entry-level gaming PCs.

Start by checking how many Watts (W for short) your system requires. You can find this information in your component documentation or our buyers guide.

It's also essential to pick a PSU with the right connections for all the components in your system. Choosing a PSU with modular cables will save space inside your system, aiding cooling.

It’s also important to look at efficiency, which can be seen in a PSU’s 80 PLUS rating. More efficient PSUs waste less electricity as well as running quieter and cooler.