TOP 20 best power supplies: rating 2024-2025 and what parameters to focus on when choosing a device for a computer

The power supply unit (PSU) is one of the most important components in a computer, along with the processor, motherboard and video card.

Its activity consists in performing three main tasks: converting alternating current from the electrical network to direct current, reducing the voltage from 110-230 V to the 12, 5 and 3.3 V required by computer components, and voltage stabilization.

It is the power supply that is responsible for the continuity of operation and is responsible for safety in case of network failures.

Rating of the TOP 20 best power supplies

Place	Name	Price
TOP 3 best power supplies for PC in price-quality ratio
1	be quiet! System Power 9 600W	Ask for a price
2	Chieftec GPE-600S 600W	Ask for a price
3	Super Flower Leadex Silver (SF-550F14MT) 550W	Ask for a price
TOP 3 best budget PC power supplies
1	Zalman Wattbit(XE) 83+ 600W	Ask for a price
2	Deepcool DN500 500W	Ask for a price
3	Cooler Master MWE White 230V V2 450W	Ask for a price
TOP 3 best gaming power supplies for PC
1	Deepcool DQ750ST 750W	Ask for a price
2	be quiet! Straight Power 11 750W	Ask for a price
3	Seasonic FOCUS Plus Platinum 750W	Ask for a price
TOP 3 best 500 watt power supplies
1	Thermaltake TR2 S 500W	Ask for a price
2	Zalman Wattbit(XE) 83+ 500W	Ask for a price
3	Seasonic SS-500ES 500W	Ask for a price
TOP 3 best power supplies for 600 watts
1	Deepcool DA600 600W	Ask for a price
2	Chieftec BBS-600S 600W	Ask for a price
3	be quiet! Pure Power 11CM 600W	Ask for a price
TOP 3 best 700 watt power supplies
1	be quiet! Pure Power 11CM 700W	Ask for a price
2	Deepcool DA700 700W	Ask for a price
3	Cooler Master MasterWatt Lite 230V 700W	Ask for a price
TOP 2 best power supplies for 750 watts
1	Chieftec GPS-750C 750W	Ask for a price
2	Corsair RM750x 750W	Ask for a price

How to choose a power supply for a computer?

In order not to make a mistake in choosing when buying a power supply, you need to focus on the following details:

• Power. The most important characteristic of the power supply is not its total power, but the power of the PSU along the 12-volt line. Specifically, this parameter must be given priority when taking into account the power of the PSU, since the main elements of the computer receive energy directly through the 12 V line.
• Cooling. In addition to the most common active air cooling, passive and semi-passive cooling units are also on the market.In passive ones, there is no fan at all, such blocks have a special design, and they are somewhat more expensive, but they work with virtually no noise. Semi-passive ones function as passive up to a certain load, but, for example, in resource-intensive games they turn on fans.
• Connectors. The set of connectors is almost the same everywhere, but their number is different, so you should take this into account, especially if the assembly has an overly gluttonous video card or processor.

The best power supplies for PC in the price-quality ratio

be quiet! System Power 9 600W

be quiet! System Power 9 600W is designed to ensure uninterrupted operation a computer that uses high-power components.

The rated power of the power supply is 600W. The device is designed for long-term operation in intensive mode.

Installed 120mm fan with low noise level.

The power supply can operate under conditions of noticeable fluctuations in the input voltage level: the operation of the device is guaranteed at a voltage that varies from 200 to 240 V.

Characteristics:

• standard size - ATX;
• device power - 600 W;
• cooling system: 1 fan (120 mm);
• noise during operation - 31 dBA;
• dimensions (HxWxD) - 86x150x140 mm.

Chieftec GPE-600S 600W

The Chieftec GPE-600S 600W power supply shows the highest output power of 600W, which allows you to use it to power a productive home station, an entry-level gaming system unit or an office machine.

The device is supplied with fixed cables, at the ends of which there is a main 24 pin power connector, connectors for connecting the CPU, drives, video cards, etc.

The length of the main power cable for this model is 44 cm. The black flexible braid of the cables protects the wires from kinks and abrasions, and provides an attractive appearance of the loops.

Power supply in a black case supports operation at an input voltage of 230 V.

To optimize the operating temperature under load, the PSU received an active air cooling system with a single 120mm fan. It includes documentation, mounting screws (4 pcs.) and a power cable.

Characteristics:

• standard size - ATX;
• device power - 600 W;
• cooling system: 1 fan (120 mm);
• dimensions (HxWxD) - 87x150x140 mm.

Super Flower Leadex Silver (SF-550F14MT) 550W

Super Flower Leadex Silver (SF-550F14MT) 550W power supply will ensure stable operation even a powerful gaming computer with two video cards.

The design of this model is modular, equipped with many different connectors. You can easily connect all the components to the block.

A large set of cables is supplied with the device, which will save you from searching and buying the necessary wires.

The device is equipped with protection against damage due to overload, power surges or short circuit. In an emergency, it immediately turns off.

Characteristics:

• standard size - ATX;
• device power - 550 W;
• cooling system: 1 fan (140 mm);
• dimensions (HxWxD) - 86x150x165 mm.

The best budget PC power supplies

Zalman Wattbit(XE) 83+ 600W

The Zalman Wattbit(XE) 83+ 600W power supply is suitable for completing high-performance system blocks, including gaming.

The quality steel used in the manufacture of the power supply housing guarantees the absence of vibrations. A low-noise 120mm fan is installed.

The power supply is designed to operate at an input voltage of 220 to 230 V.

The box made of durable cardboard in which the power supply is packed also contains documentation, mounting screws, a power cable and ties.

Characteristics:

• standard size - ATX;
• device power - 600 W;
• cooling system: 1 fan (120 mm);
• dimensions (HxWxD) - 86x150x140 mm.

Deepcool DN500 500W

The Deepcool DN500 500W power supply is equipped with 5 15-pin SATA connectors through which hard drives and CD/DVD drives are powered.

The cooling system of the device is represented by a round fan with a diameter of 120 mm.

Compliance with the EPS12V standard provides device power up to 500W. The power characteristic of the model on the 12 V line is 408 watts.

The main power connector is (20+4)-pin, making the device compatible with any motherboard. There is a (4+4)-pin interface to provide power to the processor.

Characteristics:

• standard size - ATX;
• device power - 500 W;
• cooling system: 1 fan (120 mm);
• dimensions (HxWxD) - 86x150x140 mm.

Cooler Master MWE White 230V V2 450W

Cooler Master MWE White 230V V2 450W power supply is installed in the system unit computer and is used to connect the processor, motherboard, drives and other components.

The kit includes long cables and fasteners. You can easily install the device even at the bottom of the system unit.

The cables are flexible, so they can be easily placed in the computer case without touching important details.

The device is equipped with a fan with a diameter of 120 mm. It quickly removes warm air, reducing the temperature inside the system unit.

In the event of a short circuit or overvoltage, an auto-off is activated, which protects the device from damage.

Characteristics:

• standard size - ATX;
• device power - 450 W;
• cooling system: 1 fan (120mm)
• fan 1500 rpm;
• noise during operation - 29.5 dBA;
• dimensions (HxWxD) - 86x150x140 mm.

The best gaming power supplies for PC

Deepcool DQ750ST 750W

Deepcool DQ750ST 750W features excellent performance and high reliability. The model provides a constant power of 750 W at temperatures up to 50 ° C.

Equipped with a 120mm variable speed fan, it is sure to be the perfect power supply for your computer system.

A fluid dynamic bearing PWM fan with a custom-designed impeller generates powerful airflow while remaining virtually silent.

The long flat cable fits compactly in the case and does not interfere with air circulation in the system.

Characteristics:

• standard size - ATX;
• device power - 750 W;
• cooling system: 1 fan (120 mm);
• dimensions (HxWxD) - 86x150x140 mm.

be quiet! Straight Power 11 750W

be quiet! Straight Power 11 750W is characterized by impeccable stability functioning.

The model provides power equal to 750 watts. The power supply is suitable for work as part of a productive home or office computer.

The power supply is energy efficient, as evidenced by the device's 80 PLUS Gold certification.

Has a detachable cable system. Even the main power cable and the processor power cable are connected separately.

The power supply is cooled by a powerful 135mm fan.

Characteristics:

• standard size - ATX;
• device power - 750 W;
• cooling system: 1 fan (135 mm);
• noise during operation - 21 dBA;
• dimensions (HxWxD) - 86x150x170 mm.

Seasonic FOCUS Plus Platinum 750W

The Seasonic FOCUS Plus Platinum 750W power supply meets high standards energy efficiency.

It supports Hybrid Silent fan Control technology, which allows you to reduce the fan speed at light loads, significantly reducing the noise level.

Active power factor correction provides the ability to maintain stable current in all conditions, thereby extending the life of the electronics.

The modular design of the connectors greatly simplifies the installation and connection of the power supply.

Characteristics:

• standard size - ATX;
• device power - 750 W;
• cooling system: 1 fan (120 mm);
• dimensions (HxWxD) - 86x150x140 mm.

Best 500 Watt PSUs

Thermaltake TR2 S 500W

The Thermaltake TR2 S 500W power supply has Molex (4 pcs) and SATA (5 pcs) connectors, as well as standard connectors for powering the motherboard, video card and processor.

For high performance, additional power factor correction is used.

The power supply is 80 Plus certified, which means it will be at least 80% efficient under varying loads relative to the power supply's rated power of 500W.

The built-in silent 120mm fan allows you to quickly cool down from overheating, which improves performance and makes the process more enjoyable, without extraneous sounds.

The package includes: cable, box, ties and accessories for work.

Characteristics:

• standard size - ATX;
• device power - 500 W;
• cooling system: 1 fan (120 mm);
• fan 2400 rpm;
• dimensions (HxWxD) - 86x150x140 mm.

Zalman Wattbit(XE) 83+ 500W

Zalman Wattbit(XE) 83+ 500W has an increased level of reliability. Source of power Manufactured using high tech components.

The required temperature is guaranteed by a 120 mm fan.The power supply complies with the ATX form factor. The model is compatible with most cases.

The output power of the power supply is sufficient for the efficient functioning of most computers.

The operation of the device is guaranteed by the manufacturer in the input voltage range from 220 to 230 V.

Characteristics:

• standard size - ATX;
• device power - 500 W;
• cooling system: 1 fan (120 mm);
• dimensions (HxWxD) - 86x150x140 mm.

Seasonic SS-500ES 500W

Seasonic SS-500ES 500W power supply suitable for ATX form factor systems. Presented the model operates with a power of 500 watts and is equipped with a variety of connectors that are necessary for connecting related devices.

The model has dimensions of 8.6x15x14 centimeters and has a silver body.

The device is also equipped with an active cooling system with 8x8 cm fans..

The device is not complicated by detachable cables, lighting and decorative braiding of wires.

Characteristics:

• standard size - ATX;
• device power - 500 W;
• cooling system: 1 fan (80 mm);
• dimensions (HxWxD) - 86x150x140 mm.

Best 600 Watt PSUs

Deepcool DA600 600W

Deepcool DA600 600W 1860MHz 6GB Gaming Graphics Card video memory GDDR5.

Powerful WINDFORCE 3X cooling system with three 80mm fans ensures efficient heat dissipation.

A protective metal backplate protects the back of the PCB.

The presence of four video connectors makes it possible to connect up to 4 monitors at a time.

Maximum supported resolution 7680?4320. The WINDFORCE 3X cooling system has an alternative fan rotation scheme.

Characteristics:

• standard size - ATX;
• device power - 600 W;
• cooling system: 1 fan (120 mm);
• dimensions (HxWxD) - 86x150x140 mm.

Chieftec BBS-600S 600W

The Chieftec BBS-600S 600W power supply is perfectly combined with compact computer corps.

Extended cables for the processor, motherboard and other PCI-E elements help to rationally organize the internal space.

Low power consumption allows the user to get by with minimal energy costs.

Multi-stage safety system will protect the device from short circuits, overloads and power surges.

The quiet fan effectively maintains a stable temperature during long-term operation.

Characteristics:

• standard size - ATX;
• device power - 600 W;
• cooling system: 1 fan (120 mm);
• dimensions (HxWxD) - 86x150x140 mm.

be quiet! Pure Power 11CM 600W

be quiet! Pure Power 11 CM 600W guarantees absolute reliability and a good package characteristics.

The model guarantees 600 watts of power with two 12V lines for voltage stability and 4 PCI express slots.

The unit is optimal for silent systems, improved packaging or organization of multimedia or gaming computer systems with multiple graphics cards.

The use of the most modern technologies in the production of the block provides increased stability of the device.

Characteristics:

• standard size - ATX;
• cooling system: 1 fan (120 mm);
• noise during operation - 20 dBA;
• dimensions (HxWxD) - 86x150x160 mm.

Best 700 Watt PSUs

be quiet! Pure Power 11CM 700W

be quiet! Pure Power 11 CM 700W - 700W PSU. It's a silent system which is suitable for a powerful gaming system with multiple graphics cards.

Fan blades with an optimized airflow system ensure the most silent operation and highly efficient cooling.

DC-to-DC voltage conversion for the most accurate regulation under heavy loads guarantees the absolute safety of the latest generation of processors and video cards.

Characteristics:

• standard size - ATX;
• cooling system: 1 fan (120 mm);
• noise during operation - 25 dBA;
• dimensions (HxWxD) - 86x150x160 mm.

Deepcool DA700 700W

The Deepcool DA700 700W power supply is designed to complete system units, designed for a high level of performance, and, as a result, for a composition of elements that consume significant power.

The rated power of the power supply is 700W. The same indicator for the 12-volt line is 650 watts.

The power supply is characterized by a high level of energy efficiency.The model has a 20+4 pin main power connector: this technological feature makes the model compatible with many motherboards.

Equipped with 120mm fan for low noise.

Characteristics:

• standard size - ATX;
• device power - 700 W;
• cooling system: 1 fan (120 mm);
• dimensions (HxWxD) - 86x150x140 mm.

Cooler Master MasterWatt Lite 230V 700W

Cooler Master MasterWatt Lite 230V 700W is a model that combines unique parameters and incredible quality.

The power supply will do the job perfectly and last a long time.

The power supply is made in the ATX form factor. The installation procedure will not take much time from the owner.

The power cable is included in the kit, through which the connection to the network is carried out.

There is also a set of wires for connecting elements. The cooling fan is responsible for efficient heat dissipation.

Under load, overheating of the elements and the possibility of breakage are excluded.

Characteristics:

• standard size - ATX;
• device power - 700 W;
• cooling system: 1 fan (120 mm);
• dimensions (HxWxD) - 86x150x140 mm.

Best 750 Watt PSUs

Chieftec GPS-750C 750W

The Chieftec GPS-750C 750W power supply is an excellent performance component that can be installed in various PCs.

It is used to change the parameters of the electric current to provide computer components with energy.The PSU does its job perfectly, it is reliable and will last for a long time.

The power supply is available in the ATX form factor.

It copes well with the transformation of electrical energy, has a rated power of 750 watts.

When the voltage is reduced to 12 V, it produces 744 watts. The power supply is plugged into an outlet, and a network cable is provided for this purpose.

Characteristics:

• standard size - ATX;
• device power - 750 W;
• cooling system: 1 fan (140 mm);
• dimensions (HxWxD) - 87x150x160 mm.

Corsair RM750x 750W

By installing the Corsair RM750x 750W power supply into your computer case, you will receive uninterruptible power supply for each of its components.

The wires of the model are equipped with an additional braid that prevents them from tangling and bending.

The detachable design of cables in the absence of the need to use them will significantly free up space inside the system unit.

A 24-pin connector is provided to power the motherboard. The power supply to the processor chip is carried out through a 4+4 pin interface.

Characteristics:

• standard size - ATX;
• device power - 750 W;
• cooling system: 1 fan (135 mm);
• dimensions (HxWxD) - 86x150x200 mm.

What is the best power supply manufacturer?

The brands Corsair, Aercool, FSP, Zalman, Seasonic, Be quiet, Chieftec and Fractal Design got on the shelf to trusted products..

Specializing in the production of batteries, Seasonic is an internationally renowned company.

This is one of the few brands on the market that sells products of its own production under its own logo.

For comparison: a well-known manufacturer of computer components - Corsair - does not have its own factories for the manufacture of power supplies and purchases finished products from Seasonic, equipping them with their own logos.

Form factor - what is it and what types are there?

The shape and size of a particular element of a computer system is called the form factor.

The most popular form factors are ATX and SFX.

The latter are small in size. The first ones are the most common. In addition to them, there are many others, such as TFX, but they are used much less frequently.

It is worth considering the size of the power supply when choosing a case and vice versa.

Even within the same format, blocks can have different lengths. It is important to consider this parameter in advance so that there are no difficulties during the installation process.

Customer Reviews

Useful video

From the video you will learn how to choose a power supply: