Top 20 best power supply units: rating 2021-2022 and what parameters to look for when choosing a device for the computer

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

Its activity consists in performing three main tasks: converting AC power from the mains to DC power, reducing the current voltage from 110-230 V to the 12, 5 and 3.3 V required by the computer components and stabilizing the voltage.

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

Top 20 Power Supplies Ranking

Location	Name	Price
Top 3 best power supplies for PC
1	be quiet! System Power 9 600W	Check price
2	Chieftec GPE-600S 600W	Learn the price
3	Super Flower Leadex Silver (SF-550F14MT) 550W	Learn the price
Top 3 best budget PC power supplies
1	Zalman Wattbit(XE) 83+ 600W	Notable price
2	Deepcool DN500 500W	To know the price
3	Cooler Master MWE White 230V V2 450W	Find out the price
Top 3 best gaming power supplies for PC
1	Deepcool DQ750ST 750W	Check out the price
2	be quiet! Straight Power 11 750W	Check price
3	Seasonic FOCUS Plus Platinum 750W	Check price
Top 3 best power supplies for 500W
1	Thermaltake TR2 S 500W	Check price
2	Zalman Wattbit(XE) 83+ 500W	Not familiar with the price
3	Seasonic SS-500ES 500W	Learn the price
Top 3 best 600W power supplies
1	Deepcool DA600 600W	To know the price
2	Chieftec BBS-600S 600W	Check out the price
3	be quiet! Pure Power 11 CM 600W	Check out the price
Top 3 best 700W power supplies
1	be quiet! Pure Power 11 CM 700W	Check price
2	Deepcool DA700W 700W	You can find out the price of
3	Cooler Master MasterWatt Lite 230V 700W	Find out the price
Top 2 best 750W power supplies
1	Chieftec GPS-750C 750W	Learn the price
2	Corsair RM750x 750W	Find out the price

How to choose a power supply for the computer?

In order not to make a wrong choice when buying a power supply, you need to be guided by the following details:

• Power. The most important characteristic of a power supply is not its total power, but the power of the 12-volt line. This is the parameter you should pay most attention to when considering the power of the PSU, because the main elements of the computer receive power directly through the 12-volt line.
• Cooling. In addition to the most common active air cooling, there are also units on the market with passive and semi-passive cooling. The passive ones do not have a fan at all, such units have a special design and are a bit more expensive, but they work almost noiselessly. Semi-passive ones function like passive ones up to certain load, but, for example, in resource-intensive games they include fans.
• Connectors. Set of connectors is almost everywhere the same, but their number is different, so it is worth taking it into account, especially if the assembly is too voracious graphics card or processor.

The best power supplies for PC in terms of price-performance ratio

be quiet! System Power 9 600W

The be quiet! System Power 9 600W is designed to give your computer with high power consumption components.

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

A low-noise 120mm fan is installed.

The power supply can handle widely fluctuating input voltage: the operation of the device is guaranteed with a voltage that ranges from 200 to 240V.

Features:

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

Chieftec GPE-600S 600W

The Chieftec GPE-600S 600W power supply has the highest power output of 600W, That allows it to be used to power a high-performance home station, entry-level gaming system unit or office machine.

The device is equipped with fixed cables which have a 24 pin main power socket and connectors to connect the CPU, storage devices, video card, etc. at their ends.

The main power cable is 44 cm long. The black flexible cable braid protects the wires from kinks and abrasions and makes the cables look nice.

The black power supply supports 230V input voltage..

To optimize operating temperature under load the PSU has got active air cooling system with one 120mm fan. It comes with documentation, 4 fixing screws and a power cord.

Features:

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

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

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

The design of this model is modular and equipped with a lot of different connectors. You can easily connect all components to the unit.

The unit comes with a large set of stubs, which will save you from finding and buying the right wires.

The unit is equipped with protection against breakdown due to overloads, power surges or mains short circuits. In an extreme situation, it shuts down immediately.

Features:

• standard size - ATX;
• Power output of the device is 550W;
• Cooling system: 1 fan (140mm);
• dimensions (WxWxG) - 86x150x165 mm.

The best budget power supplies for PCs

Zalman Wattbit(XE) 83+ 600W

Zalman Wattbit(XE) 83+ 600W power supply is suitable for equipping high performance PC power supply including gaming power supplies.

High-quality steel is used in the manufacture of the power supply, guaranteeing no vibration. Equipped with a low-noise 120mm fan.

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

The heavy-duty cardboard box that the power supply is packed in also includes documentation, fixing screws, a power cord and cable ties.

Features:

• standard size - ATX;
• device power - 600W;
• 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 Power supply for hard drives and CD / DVD drives..

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

Compliance with the EPS12V standard provides up to 500 W of power. The power specification of the model along the 12V line is 408W.

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

Features:

• Standard size - ATX;
• 500W power capacity;
• 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. It is used to connect CPU, motherboard, hard drives and other components..

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

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

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

In case of a short circuit or overvoltage, it will shut down, protecting you from damage.

Features:

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

Best Gaming Power Supplies for PCs

Deepcool DQ750ST 750W

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

It is equipped with a 120mm variable speed fan and is sure to be the perfect power supply for your computer system.

The PWM fan with hydrodynamic bearing and specially designed impeller delivers powerful airflow while remaining virtually silent.

The long flat cable fits neatly into the case without obstructing the airflow in the system.

Features:

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

be quiet! Straight Power 11 750W

The be quiet! Straight Power 11 750W power supply is characterized by impeccable stability performance.

It provides 750W of power. The power supply is suitable for use as part of a high-performance home or office computer.

The power supply is energy efficient: 80 PLUS Gold certified.

Comes with detachable cable management system. Even the main power cord and CPU power cord are individually wired.

A powerful 135mm fan keeps the PSU cool.

Features:

• standard size - ATX;
• 750W power output;
• Cooling system: 1 fan (135 mm);
• operating noise 21 dBA;
• dimensions (HxWxD) - 86x150x170 mm.

Seasonic FOCUS Plus Platinum 750W

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

It supports Hybrid Silent Fan Control technology that allows you to reduce the fan speed at low loads, significantly reducing noise.

Active Power Factor Correction enables stable power output under all conditions, thus extending the life of your electronics.

Modular connector design makes installation and wiring a breeze.

Features:

• standard size - ATX;
• Power rating of the device - 750W
• Cooling system: 1 fan (120 mm);
• dimensions (HxWxD) - 86x150x140 mm.

The best power supplies for 500 watts

Thermaltake TR2 S 500W

The Thermaltake TR2 S 500W power supply has Molex connectors (4 pcs) and SATA connectors (5 pcs) as well as Standard power connectors for motherboard, graphics card and CPU.

Additional power factor correction is used for high performance.

The power supply is 80 Plus certified, which means that its efficiency will be at least 80% at different loads relative to the rated power of the power supply, which is 500W.

The built-in silent 120mm fan allows for quite fast cooling against overheating, which improves performance and makes for a more pleasant, silent experience.

Includes: cable, box, cable ties and additional accessories for work.

Features:

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

Zalman Wattbit(XE) 83+ 500W

The Zalman Wattbit(XE) 83+ 500W has an increased level of reliability. Power supply Manufactured with high tech components.

A 120mm fan provides the necessary temperature conditions. The PSU meets the ATX form factor. The model is compatible with most cases.

The output power is enough for efficient operation of most computers.

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

Characteristics:

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

Seasonic SS-500ES 500W

The Seasonic SS-500ES 500W power supply is suitable for systems with ATX form factor. Presented at The model operates with 500 watts of power and is equipped with a variety of connectors that are needed to connect related devices.

The model has dimensions of 8.6x15x14 centimeters and is equipped with a silver case.

The device is also equipped with an active cooling system with fans measuring 8?.

The device is not complicated by detachable cables, backlighting and decorative wire braiding.

Features:

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

The best power supplies for 600 watts

Deepcool DA600 600W

The Deepcool DA600 600W is a gaming graphics card with a 1860MHz core clock and 6GB GDDR5 video memory.

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

A protective metal backplate protects the rear surface of the circuit board.

Four video connectors allow you to connect up to 4 monitors at the same time.

The maximum supported resolution is 7680?4320. WINDFORCE 3X cooling system has alternative fan rotation.

Features:

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

Chieftec BBS-600S 600W

Power supply Chieftec BBS-600S 600W perfectly matches the compact computer computer cases.

Long cables for CPU, motherboard and other PCI-E components help keep internal space efficient.

Low power consumption allows users to make do with minimal power consumption.

Multistage safety system protects against short circuits, overloads and power surges.

Quiet fan effectively maintains a stable temperature during continuous operation

Features:

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

be quiet! Pure Power 11 CM 600W

be quiet! Pure Power 11 CM 600W guarantees absolute reliability and a good set of features.

It guarantees 600 watts of power with two 12V lines for voltage stability and four PCI express connectors.

It is optimal for silent systems, better bundling or organization of multimedia or gaming computer systems with multiple graphics cards.

The use of the most modern technology in the production of the unit provides increased stability of the device.

Features:

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

The best 700W power supplies

be quiet! Pure Power 11 CM 700W

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

The fan blades with optimized airflow system ensure the quietest possible operation and highly efficient cooling.

DC-to-DC voltage conversion for the most precise regulation under heavy loads ensures the absolute safety of the operation of the latest generation of processors and graphics cards.

Features:

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

Deepcool DA700 700W

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

The rated power of the power supply is 700W. The same figure 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 it compatible with many motherboards.

It is equipped with a 120mm fan for low noise level.

Features:

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

Cooler Master MasterWatt Lite 230V 700W

Cooler MasterWatt Lite 230V 700W - the model that combines unique features and incredible quality.

This PSU will do its job perfectly and will last for a long time.

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

A power cable is provided in the kit, through it the connection to the network is made.

There is also a set of wires for connecting the elements. A fan is responsible for cooling, providing efficient heat dissipation.

Under load, overheating of the elements and the possibility of failure is excluded.

Features:

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

The best 750W power supplies

Chieftec GPS-750C 750W

The Chieftec GPS-750C 750W power supply is a component with excellent characteristics that You can put in a variety of PC.

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

The power supply comes in an ATX form factor.

It does an excellent job of transforming electrical energy and has a power rating of 750 watts.

When the voltage is reduced to 12 V, it delivers 744 W. The power supply is plugged into an outlet, a power cord is provided for this purpose.

Features:

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

Corsair RM750x 750W

By installing the Corsair RM750x 750W power supply in your computer case, you get An uninterrupted power supply for each of its components.

The cables are braided for better protection against tangling and kinking.

The detachable cable design will significantly free up space inside the system unit when not in use.

A 24-pin connector is provided for the motherboard power supply. Power is supplied to the CPU chip via a 4+4 pin interface.

Features:

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

What is the best power supply manufacturer?

On the shelf of trusted products are brands Corsair, Aercool, FSP, Zalman, Seasonic, Be quiet, Chieftec and Fractal Design.

Specializing in the production of batteries, Seasonic is a company with international fame.

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

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

Form Factor - What is it and what kinds are there?

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

The most popular form factors are ATX and SFX..

The latter are distinguished by their small size. The first ones are the most common. Besides them there are many others, such as TFX, but they are used much more rarely.

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 will be no difficulties in the process of installation.

Customer reviews

Useful video

In this video you will learn how to choose a power supply: