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10 Best Power Supplies

7886 Reviews Scanned Last Updated: Aug 10, 2020
10 Best Power Supplies Feature Image
When it is time to choose a power supply for your PC, it is important that you consider some purchase criteria. To make the election process more bearable, we have selected the most important ones. We have done so in order to put at your disposal a complete guide with which to adjust the maximum value for money.
BEST CHOICE Thermaltake Certified Continuous Cooling PS SPD 0500NPCWUS W Cover

Thermaltake Certified Continuous Cooling PS SPD 0500NPCWUS W

BEST VALUE Corsair Bronze Certified Modular CP 9020102 NA Cover

Corsair Bronze Certified Modular CP 9020102 NA

PREMIUM PICK CORSAIR HX1000i Platinum Certified Modular Cover

CORSAIR HX1000i Platinum Certified Modular

#1 Thermaltake Certified Continuous Cooling PS SPD 0500NPCWUS W

Fine engineering, very quiet, simple replacement. It took me 10 minutes to replace the broken power supply with this. The lack of useful information in the product description (nor on the manufacturer's web page) is the number and configuration of power connectors for each dazzling array of Thermaltake smart power models.

This is reflected in the number of product problems on Amazon's product page, how many (and what types of) connectors are involved. For example, the smart "80 White" 700W power supply (the one I bought on Amazon) lists five "peripheral" connectors and six SATA connectors.

The following are useful (but missing) information: 1. Six SATA connectors are arranged on two cables, each with three SATA connectors. If your six (or more) storage devices are arranged in pairs, each located in a different corner of the chassis, two SATA cables are not enough.

There is a simple enough solution: buy the Molex-to-SATA adapter and use one of the two power cords equipped with Molex. However, this information should be provided and displayed prominently prior to purchase.2. A the 5 "peripheral" connectors are indeed classic Molex connectors.

Why let shoppers guess what types of power connectors are included?2. B five Molex connectors are arranged on two cables, one cable has three Molex connectors, and the second cable has two Molex connectors (plus a floppy disk connector). MOLEX-to-SATA adapters and SATA-to-Molex adapters are cheap and reasonably priced.

  • Description:Thermaltake Smart 500W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Cooling Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0500NPCWUS-W
  • Brand:Thermaltake
  • Series:TMT-PSSPD0500NPCWUSW
  • Item Weight:3.8 pounds
  • Product Dimensions:8.9 x 4 x 7 inches
  • Item Dimensions L x W x H:8.9 x 4 x 7 inches
  • Voltage:120 volts

Features

  • 80plus certification, 80% efficiency under typical load
  • Provides a continuous output of 500 watts at + 40 degrees. Conforms to Intel ATX 12V 2.31 and EPS 12V 2.92 standards
  • Support (2) PCI E 6'2 pin interface. Active (PFC) power factor correction, MTBF:100000 hours
  • Industrial grade protection: (OPP) overpower protection, (OVP) overvoltage protection, (SCP) short circuit protection
  • High quality component
  • Five-year warranty
  • Equipped with powerful + 12V rails for excellent performance under all types of system loads
  • See more on Amazon...

#2 Corsair Bronze Certified Modular CP 9020102 NA

It is a PSU, it is semi-modular, because in addition to the connection to the motherboard itself, the accessory cable is plugged in, so you only use the cable you need. Modular cables are flat, so this can be positive or negative, depending on your view of the different cable configurations.

As a suggestion, this is installed with any PSU you install, make sure you install PSU, using the cable provided. If this is a replacement product, do not try to reuse the cables in the old PSU (connected to various drives and accessories).

Unfortunately, unlike the drive side, there is no Standard set for the PSU side of the cable. If you try to reuse the installed existing cable and the pins on the PSU end do not match (the multimeter confirms that you really want to know), you can fry each component connected to this.

Even if the cables are actually suitable for PSU, that doesn't mean they can be compatible in any way. Some people come to find this difficult way, and thank you for sharing their experience, and everyone learns (I'm glad I checked before installation) to install as you might expect, it suits my situation well and is the same size as the 700W power supply is being replaced.

I can't prove the lifespan of this unit yet, but I'll try and remember to update it in the future once it has a few hours. The price is good, the brand is good, the installation is convenient. What else can you ask?

  • Description:Corsair CX Series 550 Watt 80 Plus Bronze Certified Modular Power Supply (CP-9020102-NA)
  • Brand:Corsair
  • Item Weight:0.018 ounces
  • Product Dimensions:5.9 x 5.5 x 3.38 inches
  • Item Dimensions L x W x H:5.9 x 5.5 x 3.38 inches
  • Color:80+ Bronze
  • Voltage:120 volts

Features

  • Thermal control fan: silent operation at medium and low load. Fan size is 4.72 in.
  • 80 Plus Bronze Certification: efficient operation, reduce overheating, reduce operating costs. Compatibility supports ATX12V 2.4max 2.3max 2.2max 2.01and EPS12V 2.92standard
  • Semi-modular: make your build and upgrade easy and get clean and beautiful results
  • Five-year warranty: ensures that you can run reliably in multiple system versions
  • See more on Amazon...

#3 Power Supply Modular Certified Addressable

This is a great, 80 + gold power supply with a large number of plugs for almost any PC. It's also modular, so I can install it on my PC without cable management problems, and RGB looks great in this case! The fan is also very quiet.

With 750W, I can handle almost anything I throw on this computer, just in case I want to use SLI or Crossfire, in the future and have a reliable power transmission, I can easily overclock my CPU! The box and packing are very good, and it comes with a lot of accessories and extra cables.

All in all, I am very satisfied with this power supply, and I am sure I will use it in the next few years!

  • Description:Power Supply 750W Fully Modular 80+ Gold Certified with Addressable RGB Light - Vairous Color Mode, GAMEMAX RGB750-Rainbow
  • Brand:GAMEMAX
  • Product Dimensions:5.9 x 5.5 x 3.4 inches
  • Item Weight:6.01 pounds

Features

  • [addressable RGB control] continuously press the RGB controller switch, and the lamp changes into monochrome mode, breathing light mode and mixed color mode in turn.
  • [performance] Honeycomb ventilation design has the best heat dissipation effect. 80 + Gold certification with an efficiency of 92% or more under typical loads. Fully modular output wire, optimize wiring requirements.
  • The powerful + 12V monorail provides stable DC output and supports high-end graphics cards and PC systems. Japanese capacitors offer the highest stability, durability and reliability, including OPP/OVP/UVP/SCP/OCP electrical protection.
  • From 2003 to now, GAMEMAX [our brand] has been committed to producing PC components and providing OEM services for well-known brands. GAMEMAX products have CB, CCC, FCC, CE and other international safety standards certification.
  • "[after-sales service] We will provide you with a 5-year worry-free product experience process, if there are any product problems, the manufacturer will take full responsibility.
  • See more on Amazon...

#4 EVGA Modular Warranty Compact 220 B5 0650 V1

I laughed at my husband because he started ruining his figure, and I asked him, "what's wrong?" He said he thought he accidentally bought a server PSU, because the connector had more connections than the ATX connector on his mATX motherboard, and the extra connections were not separated.

Then in the middle of packing, he counted the holes in the PSU itself (all the cables were modular, which is why he bought it) and realized he was making a fuss! Once he calmed down, he realized it was the right part, quietly doing his job for our daughter's renovated workstation.

We went to full modularization because the situation was only large enough to accommodate a standard PSU and a mATX board, so the unused cables were left in the box, not the interior in a messy case. If you want a neat outfit, don't accept any substitutes!

  • Description:EVGA 650 B5, 80 Plus Bronze 650W, Fully Modular, EVGA ECO Mode, 5 Year Warranty, Compact 150mm Size, Power Supply 220-B5-0650-V1
  • Brand:EVGA
  • Item Weight:5.49 pounds
  • Product Dimensions:5.91 x 5.91 x 3.35 inches
  • Item Dimensions L x W x H:5.91 x 5.91 x 3.35 inches

Features

  • Fully modular to reduce clutter and improve airflow
  • Certified with 80 + bronze with 89% or more efficiency under typical load
  • Heavy protection, including OVP, UVP, OCP, OPP, SCP and OTP
  • EVGA ECO Intelligent Thermal Control system to eliminate medium and low load Fan noise
  • 5 years of unparalleled EVGA customer support
  • See more on Amazon...

#5 Thermaltake Toughpower 256 Color Warranty PS TPG 0850FPCGUS R

I just want to say that this is only the second power source that I have experience. But I got this for four reasons. The first is the output, the second price, the third RGB and the fourth is my case, all my fans are ThermalTake, so I have been used to and trust this brand.

It's packed very well and neatly, and has a very good canvas style bag with all the wires. The explanation is simple and easy to understand. The appearance of the unit is very clean and high quality and looks better on the lamp.

So far, it has been good, and I have been running it since I received it.

  • Description:Thermaltake Toughpower Grand RGB 850W 80+ Gold Smart Zero 256-Color RGB Fan Fully Modular Power Supply 10 Yr Warranty PS-TPG-0850FPCGUS-R
  • Brand:Thermaltake
  • Series:Power Supply
  • Item Weight:1 pounds
  • Product Dimensions:12.4 x 6.12 x 8.19 inches
  • Item Dimensions L x W x H:12.4 x 6.12 x 8.19 inches

Features

  • One-click RGB control: the RGB lighting button on the back of PSU controls 5 different lighting modes, RGB cycle, red, green, blue, white and LED off
  • RGB LED fan 256color Riing RGB 140mm hydraulic bearing fan with low noise design. Fan blades are optimized to enhance static pressure for impressive cooling performance
  • Super mute smart zero fan: the fan works only when the PSU workload exceeds 20%. You can turn off the switch on the back of the PSU to keep the fan spinning
  • Single + 12V rail design powerful 12V + monorail supports today's CPU, GPU requirements and DC-DC design to achieve stable and reliable power supply
  • Outstanding 10-year period
  • Main power supply (24-pin) x 1, ATX 12V (4-pin) x 1, SATA (5-pin) x 12, PCI E (6-pin (2-pin) x 6, peripheral x 4, FDD adapter x 1
  • Low ripple noise below 30 mV: low ripple loads from 0% to 100% make performance critical components such as high-end graphics cards run more reliably
  • Japanese capacitors: 100% high quality 105 °C (221 °F) Japanese capacitors provide the highest stability, durability and reliability
  • Industrial protection: (UVP) undervoltage protection, (OVP) overvoltage protection, (SCP) short circuit protection, (OPP) overcurrent protection, (OTP) overtemperature protection and (OCP) overcurrent protection
  • 80 Plus Gold and Kaby Lake Ready: provide up to 90% efficiency, rugged power consumption RGB Gold series optimized to work with Intel's latest seventh-generation Kaby Lake processors for maximum energy Savin
  • See more on Amazon...

#6 Cooler Master Gold Full Modular

The new MWE series soon won a good reputation. The efficiency under low load is close to the platinum level, and the loss is only about 2% when the limit is reached. Gold medal certified excellent energy efficiency of power supply.

The fan is dead mute and higher quality than the standard unit. All voltage regulation, protection, ripple, etc. , from extensive reviews are first-class. Modular cabling has good quality and flexibility, and the length is just right for tall situations. These models already have kickbacks, which makes them very cost-effective.

I bought a 750W full module instead of a comparable Seasonic, which illustrates some of the problems. To be honest, I can't find anything I don't like, except that the warranty is five years, not seven years or more. If I have any questions, I will update my comments.

  • Description:Cooler Master MPY-6501-AFAAG-US MWE 650 Gold Full Modular, 80+ Gold Certified 650W Power Supply, 5 Year Warranty
  • Brand:Cooler Master
  • Item Weight:4.87 pounds
  • Product Dimensions:5.91 x 6.3 x 3.39 inches
  • Item Dimensions L x W x H:5.91 x 6.3 x 3.39 inches

Features

  • 80 + Gold Certification-80 + Gold Certification ensures a minimum typical efficiency of 90%
  • Full-module flat cable-full-module flat cable is easy to install, reduces clutter and maximizes airflow
  • Proven heat resistance-the design can operate at full performance at temperatures up to 45 °C, providing reliability even in the hottest environments
  • Efficient and stable output-MWE Gold's full-bridge design is combined with LLC, synchronization and DC-DC topology technologies to provide reliable and stable voltage output
  • Durable mute LDB bearings-Silencio technology combines sealed LDB bearings with mute fan blades to provide long-life mute cooling
  • See more on Amazon...

#7 EVGA Supernova Modular Warranty 220 G5 0850 X1

If you are like me, you will see this thing floating in the list of places such as LinusTechTips forums, and its ranking is lower than many other PSU. This is enough to make you guess again whether you will buy one of these things.

It goes on sale on Black Friday at a price of 850W 80 + gold fully modular PSU? I can't ignore it. I closed my eyes tightly and clicked on "ship". I've been using this thing ever since. I never use ecological models.

It doesn't seem necessary, because PSU doesn't make any noise from the beginning, and I just want to know that it always keeps itself as cool as possible. It comes packaged like a champion, losing extra cables and belts including.

The cables are all black, so this is good. My only complaint is that the cable is a little stiff. They are as tough as hell, but they could have been more flexible. In order to keep clean and tidy, I had to wire in a way I didn't want, but the cable just couldn't bend enough to complete my original plan.

Nevertheless, God's quality cable. Love the green design of the fan cover and green LED when it is on. If I have a problem, I will come back and give it a proper blow, but so far, it has handled my rig well without a problem.

  • Description:EVGA Supernova 850 G5, 80 Plus Gold 850W, Fully Modular, ECO Mode with Fdb Fan, 10 Year Warranty, Compact 150mm Size, Power Supply 220-G5-0850-X1
  • Brand:EVGA
  • Item Weight:7.2 pounds
  • Product Dimensions:12 x 9 x 5 inches
  • Item Dimensions L x W x H:12 x 9 x 5 inches

Features

  • Fully modular to reduce clutter and improve airflow
  • 80 + Gold Certification with 91% or higher efficiency under typical load
  • Hydrodynamic bearing fan and EVGA ECO mode for ultra-quiet operation and extended service life
  • 100% Japanese capacitor, active clamp + DC-DC converter design, improve 3.3V/5V. Stability.
  • 10-year limited warranty and unparalleled EVGA customer support
  • See more on Amazon...

#8 Thermaltake Toughpower Crossfire Hydraulic PS TPD 0750FNFAGU 1

Internal version: Thermaltake ToughPower Gold SMART 750W Modular PSUGigabyte Aorus Pro X570 ATX motherboard Ryzen 7 3700x CPUTeamGroup T-Force Dark Za 32 GB 3200 mhz DDR4 RAMSapphire Pulse RADEON 5700XT GPUWD Black M. 2 NVMe 500 GB SSD Seagate Firecuda 2 TB SSHD6 Thermaltake Riing 12 Plus Premium RGB Case FansPcCooler my system has sufficient cleaning power, which makes me feel at ease.

Gigabyte Arous Pro has a rock-solid VRM,750 watt of gold rated power is enough, there is enough rated space for future upgrades and additions. The PSU runs silently and all voltages are very stable during the full load stress test.

Modularity is very useful for cable management, especially for my size and a total of 8 RGB fans (2 push / pull on the cooler), it may be a little crowded, but it will help by simply installing the power cord I need

  • Description:Thermaltake Toughpower GF1 750W 80+ Gold SLI/Crossfire Ready Ultra Quiet 140mm Hydraulic Bearing Smart Zero Fan Full Modular Power Supply 10 Year Warranty PS-TPD-0750FNFAGU-1
  • Brand:Thermaltake
  • Series:PS-TPD-0750FNFAGU-1
  • Item Weight:6.62 pounds
  • Package Dimensions:13.03 x 9.21 x 6.3 inches

Features

  • [Super quiet 140mm hydraulic bearing fan]-self-lubricating hydraulic bearing PWM fan has excellent cooling performance and near-silent operation
  • [80 + Gold and Intel C6/C7 State ready]-providing up to 90% efficiency, the GF1 series is optimized to work with all generations of Intel processors for maximum energy savings
  • [zero cable platform]-the daughter board is welded directly to the motherboard, the heat dissipation effect is better, and the output power quality is better.
  • [strict voltage regulation]-main rail voltage regulation < 2% to meet maximum performance, while Intel's standard voltage regulation is 5%
  • [intelligent Zero Fan]-automatically adjusts fan speed according to power consumption to achieve quiet and efficient operation. The fan works only if the PSU workload exceeds 30%. You can turn off the switch on the back of the PSU to keep the fan spinning
  • [industrial protection]-(UVP) undervoltage protection, (OVP) overvoltage protection, (SCP) short circuit protection, (OPP) overcurrent protection, (OTP) overheat protection, (OCP) overcurrent protection
  • [high ampere single + 12V guideway]-ensure a stable and reliable power supply to other PC components
  • [Japanese Capacitors]-100% High quality 105 °C (221 °F) Japanese Capacitors provide the highest stability, durability and reliability
  • [< 30 mV low ripple noise]-low ripple ensures excellent performance and allows performance-critical components such as high-end graphics cards to run reliably for a longer time
  • [16AWG cable]-upgrade CPU/PCI E main cable (16AWG cable) for PC for high-end enthusiasts
  • See more on Amazon...

#9 CORSAIR HX1000i Platinum Certified Modular

The number of modular ports in the product photo is not accurate. The "no link compatibility" HX750 I received is a very good modular PSU, but unlike the five PCI-E 6 connections in the figure, there are only four available connections.

Since this part of PSU is marked "PCI-E 6+2/CPU 4", this means that you only have three connectors for PCI-E and one connector for CPU power. Admittedly, the included PCI-E cable has both ends, but this only means that you double two cards on one cable, which may not be desirable for power-consuming multi-card settings.

This is the only thing that won't make this five-star. The product is not described correctly on the website and may change my purchase decision.

  • Description:CORSAIR HXi Series, HX1000i, 1000 Watt, 80+ Platinum Certified, Fully Modular - Digital Power Supply
  • Brand:Corsair

Features

  • 80 + Platinum Certification efficiency
  • High performance design
  • ZeroRPM mode, suitable for fanless operation under low load and excellent noise reduction.
  • Ten-year warranty: you can guarantee continuous and reliable operation in multiple system versions
  • Reliable and continuous power transmission of 1000 watts. Fan bearing technology: hydrodynamic bearing
  • Black flat half-height modular cable
  • See more on Amazon...

#10 Thermaltake Toughpower Crossfire Hydraulic PS TPD 0650FNFAGU 1

The first one I ordered didn't work, and when I ordered the second, for the same reason, the other one didn't work.

  • Description:Thermaltake Toughpower GF1 650W 80+ Gold SLI/ CrossFire Ready Ultra Quiet 140mm Hydraulic Bearing Smart Zero Fan Full Modular Power Supply 10 Year Warranty PS-TPD-0650FNFAGU-1
  • Brand:Thermaltake
  • Series:PS-TPD-0650FNFAGU-1
  • Item Weight:5.94 pounds
  • Product Dimensions:13.78 x 13.78 x 10.43 inches
  • Item Dimensions L x W x H:13.78 x 13.78 x 10.43 inches

Features

  • [Super quiet 140mm hydraulic bearing fan]-self-lubricating hydraulic bearing PWM fan has excellent cooling performance and near-silent operation
  • [80 + Gold and Intel C6/C7 State ready]-providing up to 90% efficiency, the GF1 series is optimized to work with all generations of Intel processors for maximum energy savings
  • [zero cable platform]-the motherboard is welded directly to the motherboard, the heat dissipation effect is better, and the output power quality is better.
  • [strict voltage regulation]-main rail voltage regulation < 2% to meet maximum performance, while Intel's standard voltage regulation is 5%
  • [intelligent Zero Fan]-automatically adjusts fan speed according to power consumption to achieve quiet and efficient operation. The fan works only if the PSU workload exceeds 30%. You can turn off the switch on the back of the PSU to keep the fan spinning
  • [industrial protection]-(UVP) undervoltage protection, (OVP) overvoltage protection, (SCP) short circuit protection, (OPP) overcurrent protection, (OTP) overheat protection, (OCP) overcurrent protection
  • [high ampere single + 12V guideway]-ensure a stable and reliable power supply to other PC components
  • [Japanese Capacitors]-100% High quality 105 °C (221 °F) Japanese Capacitors provide the highest stability, durability and reliability
  • [< 30 mV low ripple noise]-low ripple ensures excellent performance and allows performance-critical components such as high-end graphics cards to run reliably for a longer time
  • [16AWG Wire]-upgrade CPU/PCI E main cable (16AWG wire) for high-end enthusiast PC
  • See more on Amazon...

Product Compare

# TOP 1-Thermaltake Certified Continuous Cooling PS SPD 0500NPCWUS W 2-Corsair Bronze Certified Modular CP 9020102 NA 3-Power Supply Modular Certified Addressable 4-EVGA Modular Warranty Compact 220 B5 0650 V1 5-Thermaltake Toughpower 256 Color Warranty PS TPG 0850FPCGUS R 6-Cooler Master Gold Full Modular 7-EVGA Supernova Modular Warranty 220 G5 0850 X1 8-Thermaltake Toughpower Crossfire Hydraulic PS TPD 0750FNFAGU 1 9-CORSAIR HX1000i Platinum Certified Modular 10-Thermaltake Toughpower Crossfire Hydraulic PS TPD 0650FNFAGU 1
Product Thermaltake Certified Continuous Cooling PS SPD 0500NPCWUS W Thumbnail Corsair Bronze Certified Modular CP 9020102 NA Thumbnail Power Supply Modular Certified Addressable Thumbnail EVGA Modular Warranty Compact 220 B5 0650 V1 Thumbnail Thermaltake Toughpower 256 Color Warranty PS TPG 0850FPCGUS R Thumbnail Cooler Master Gold Full Modular Thumbnail EVGA Supernova Modular Warranty 220 G5 0850 X1 Thumbnail Thermaltake Toughpower Crossfire Hydraulic PS TPD 0750FNFAGU 1 Thumbnail CORSAIR HX1000i Platinum Certified Modular Thumbnail Thermaltake Toughpower Crossfire Hydraulic PS TPD 0650FNFAGU 1 Thumbnail
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Item Weight 3.8 pounds 0.018 ounces 6.01 pounds 5.49 pounds 1 pounds 4.87 pounds 7.2 pounds 6.62 pounds - 5.94 pounds
Product Dimensions 8.9 x 4 x 7 inches 5.9 x 5.5 x 3.38 inches 5.9 x 5.5 x 3.4 inches 5.91 x 5.91 x 3.35 inches 12.4 x 6.12 x 8.19 inches 5.91 x 6.3 x 3.39 inches 12 x 9 x 5 inches - - 13.78 x 13.78 x 10.43 inches
Item Dimensions L x W x H 8.9 x 4 x 7 inches 5.9 x 5.5 x 3.38 inches - 5.91 x 5.91 x 3.35 inches 12.4 x 6.12 x 8.19 inches 5.91 x 6.3 x 3.39 inches 12 x 9 x 5 inches - - 13.78 x 13.78 x 10.43 inches
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Power Supplies Buying Guide

Lisa Flores

Power Supply Format

The most common format of power supplies is the ATX since it is the one that is usually used in most towers. Normally, they have a height and width of 150 x 86 mm, varying in length between 140 mm and 220 mm. However, for small boxes, the most common format is the SFX.

Power

The power of a power supply, measured in watts, is one of its main features and, therefore, one of the most important purchase criteria that you have to take into account. You have to choose a source that meets the needs of the entire team.

As an orientation, you can consider a power of 400 W for an office computer. For a multimedia computer, however, you need around 600 W. For a workstation of the order of 750 W; and for one gaming, at least 900 W, although this value can be much higher depending on its configuration.

In general, the components that consume the most energy and, therefore, that demand the most power, are the graphics, the processor and the hard drives.

Power distribution

In addition to the total power that the source is capable of delivering, you must also take into account the distribution of that power for each of the different voltage rails: +3.3 V, +5 V, and +12 V, etc. Thus, it is essential that you know the amperage of each of these rails.

In particular, the rail on which you should focus your attention the most is +12 V. That is the rail used by graphics cards, since they are the component that has the highest energy consumption. Logically, the higher the power required by the graph, the greater the amperage you will need in it.

Certification

As important or more than the power that the power supply can supply is the quality of the electrical flow it supplies, as well as how optimized the conversion of alternating current into the direct current is.

To measure the energy efficiency of this conversion uses the 80+ certification. The sources that have the 80+ certification guarantee that, at a minimum, they are capable of converting 80% of the electrical energy they consume.

In addition, depending on the conversion of worse or better quality, it is classified into the following categories: Standard, Bronze, Silver, Gold, Platinum, and Titanium.

Voltage protection

Some PC power supplies have a series of filters responsible for absorbing and reducing fluctuations in electrical flow. In this way, they protect the different components of the equipment against possible current peaks.

These filters are called PFC (Power Factor Correction) and can be active or passive. In general, active filters are much more efficient and therefore more recommended. Typically, if the power supply has active filters, the manufacturer must show it in a visible way in the advertising of the product. Otherwise, it only has passive filters.

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