A computer power supply is an essential component of any computer. It provides the power that the other components need to operate. Power supplies come in a variety of sizes and wattage ratings, so it is important to choose the right one for your needs.

Here are some of the factors to consider when choosing a computer powersupply:

Wattage: The wattage rating of a powe supply determines how much power it can provide. Make sure to choose a powersupply with a wattage rating that is greater than the combined wattage of all of the components in your computer.
Computer powersupplyOpens in a new window
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Computer powersupply
Efficiency: The efficiency rating of a powersupply determines how much of the power that it draws from the wall outlet is actually used by the computer components. Choose a powersupply with an efficiency rating of at least 80 Plus Bronze or higher.
Form factor: Power supplies come in a variety of form factors, such as ATX, SFX, and mATX. Make sure to choose a powersupply that is compatible with the form factor of your case.
Features: Some power supplies come with additional features, such as modular cables and built-in fan controllers. Consider which features are important to you when choosing a powersupply.
Price: Power supplies can range in price from a few hundred dollars to over a thousand dollars. Set a budget before you start shopping so that you don’t overspend.
Once you have considered all of these factors, you can start shopping for a computer powersupply. Be sure to read reviews and compare prices before you buy.

Here are some of the best computer power supplies on the market in 2023:

Corsair RM850x 850W 80 Plus Gold Fully Modular ATX Power Supply This power supply is a great all-around choice for most users. It has a high wattage rating, an 80 Plus Gold efficiency rating, and fully modular cables.
Corsair RM850x 850W 80 Plus Gold Fully Modular ATX Power

Seasonic Focus GX-850 850W 80 Plus Gold Fully Modular ATX PowerSupply This powersupply is another great all-around choice. It has a high wattage rating, an 80 Plus Gold efficiency rating, and fully modular cables.
Seasonic Focus GX850 850W 80 Plus Gold Fully Modular ATX Power

EVGA SuperNOVA GA 850 G1 850W 80 Plus Gold Fully Modular ATX Power Supply This powersupply is a good value for the price. It has a high wattage rating, an 80 Plus Gold efficiency rating, and fully modular cables.
EVGA SuperNOVA GA 850 G1 850W 80 Plus Gold Fully Modular ATX

be quiet! Straight Power 11 850W 80 Plus Gold Fully Modular ATX PowerSupply This powersupply is a good choice for users who want a quiet power supply. It has a high wattage rating, an 80 Plus Gold efficiency rating, and fully modular cables.
be quiet! Straight Power 11 850W 80 Plus Gold Fully Modular ATX

Fractal Design Ion+ Platinum 850W 80 Plus Platinum Fully Modular ATX Power Supply This powersupply is a good choice for users who want a high-efficiency power supply. It has a high wattage rating, an 80 Plus Platinum efficiency rating, and fully modular cables.
Fractal Design Ion+ Platinum 850W 80 Plus Platinum Fully Modular ATX Power SupplyOpens in a new window

When choosing a computer powersupply, it is important to make sure that it is compatible with the other components in your computer. You should also make sure that the power supply has a wattage rating that is greater than the combined wattage of all of the components in your computer.