Top 7 Best quietest power supply: Reviews & Guide in 2021

“Stop it !!” “ It’s noisy !!” “it is annoying, will you stop playing that stupid game??”

How often have you heard that from your Mom or girlfriend, or room partner. I get this a lot personally and trust me I know, it is frustrating. Not only to me and you, but also the other person who is annoyed by our noisy power supply.

 A quiet power supply will save the day and prevent you from getting scolded or frustrated and let you enjoy your favourite game at ease. You really do not want any annoying sound around you while sleeping, you know that.. 

That is why we have listed out some most favourite brands of silent power suppliers that will make your game play better than ever. These are the brands we have reviewed below for you to choose from..

 You can choose anyone and bring the best excitement and experience you have ever experienced. Another thing, go through our Top Picks In a Nutshell if you are short in time to read the entire article. It will help you to quickly find what you want.

Among all these brands we have come up with our top 3 quiet power suppliers. Considering the power, services, reviews, and every other aspect we have ranked the Champion, Runners up and 1st runners up.

This doesn’t mean the others on the list are not worth it. They are also good brands as well, maybe you will find anyone better than our top picks.

Let you have the liberty to choose any one from our top 3 picks, you are short in time.

Champion : EVGA 100-W1-0500-KR 500 W1

Runners up : Thermaltake Smart 700W 80+

1st runners Up : Thermaltake Smart 430W 80+

Now if you have reached this point,please go through all the quiet power suppliers with brief description.

That’s the bottom point of our top picks and if you have reached till this point then you must have the  knowledge about our top picks . Now, if you want to compare  our top picks with other quiet power suppliers then , please follow our short description of every other quiet power supplier.

7 Best quietest power supply

As you have made it to this point, then let’s take you on tour to our 7 Best quietest power supply review. You’re going to have the required knowledge to buy a perfect quiet power supplier that will surely make your gameplay better and less annoying to others than ever.

7. AMD Ryzen 3 3200G 4-Core

The AMD Ryzen 3 33200 G 3.6 GHz Quad-Core AM4 Processor is a four-threaded quad-core processor designed for motherboard AM4 sockets. With this model having a base clock speed of 3.6 GHz and a max boost clock speed of 4.0 GHz, the third generation 12 nm Ryzen G processor provides increased performance compared to its predecessor. If you step up to the Ryzen 5 3400 G, you will get a Radeon RX Vega 11 IGP which, thanks mostly to additional graphics processing units, offers even better graphics performance.

Key features :  

• Socket:   AM4
• Clockspeed: 3.6 GHz
• Turbo Speed: 4.0 GHz
• Cores: 4 
• Threads: 4
• TDP Down: 45 W
• Typical TDP: 65 W3

 It also features 4 MB L3 cache, 2933 MHz DDR4 RAM dual-channel support and Radeon Vega 8 integrated graphics. This processor has a thermal design capacity (TDP) of 65W and contains a Wraith Stealth cooler.You get not only a CPU with a version of AMD ‘s robust built-in Vega graphics processing, but also a very useful stock cooling fan, for its wallet-friendly price! 

Things that can be bothering :

It doesn’t come with a multi cord support, which maybe a bit annoying. But with every other features with this fascinating machine, this can be ignored.

6. EVGA SuperNOVA 850 P2, 80+ PLATINUM 850W

Without a doubt, this P2 model has excellent specifications and we are pretty sure that it will perform well given our experience with its smaller sibling, the 650 P2,. Another strength of this platform is its low noise output, even under demanding conditions.The ECO control fan system provides fan modes that provide virtually zero fan noise during low load to medium load service. The EVGA SuperNOVA 850 P2 power supply, backed by its award-winning 10-year and 100-percent Japanese design, offers unbeatable performance at an unbeatable value. Additionally, it can continuously deliver its full power at up to 50 °C, so it can handle tough conditions without failing. 

Key features :  

• Rail 3.3V,5V,12V
• Max. Power
• Amps 20,20,70.8,2.5
• Watts 100,100, 849.6, 849.6
• Total Max. Power (W) 850

 When you have the ECO (semi-passive) mode allowed, then under light and moderate loads, you do not hear a thing. This PSU features Platinum efficiency and modular cabling, as mentioned above.

Things that can be bothering: 

With the EVGA SuperNOVA 850 P2 you will face no major problems at all. Yet sometimes due to excessive usage, you could experience some power flickering. We will suggest to give your cpu some rest for a while now and then.

5. EVGA 600 B1, 80+ Bronze 600W

The Pure Power series provides a semi-modular configuration, which means that the main cables are connected to the panel, but the cables for drives and PCI-Express devices are removed. With price and efficiency in mind, the EVGA 600B is the best value power supply for your next budget project. With 80 Plus Bronze Standard, more than 80 percent output under normal loads, the EVGA 600B is a perfect option. The German business, please be silent! He is a manufacturer of cases and cooling parts, but he also uses his skills to make PSUs. With price and efficiency in mind, the EVGA 600B is the best value power supply for your next budget project.

Key features :  

• ATX12V / EPS12V
• 80 PLUS BRONZE Certified
• 100 – 240 V 50/60 Hz
• +5V@20A, +3.3V@24A, +12V@49A, -12V@0.3A, +5VSB@3A

Things that can be bothering :

Maybe you will find a way too many wires to attach as it needs to work perfectly. But as a high profiled CPU user you are aware of this, and this should not be bothering you at all.

4. Thermaltake SMART 600W ATX

The Smart Series – models with 600W rated – with various top quality components saves up to 86% energy with high efficiency and satisfies any mainstream with the absolute best demand. Smart Series adopts a 120 mm cooling fan that delivers excellent airflow at an exceptionally low noise level . Thermaltake SMART 600W ATX Series are smart power supply units that incorporate various high-tech components, state-of-the-art technology and eco-friendly features.

Key features :  

• ATX12V
• Non-Modular
• 80 PLUS Certified
• 100 – 240 V 50/60 Hz
• +3.3V@22A, +5V@17A, +12V@42A, -12V@0.5A, +5VSB@2.5A

Things that can be bothering :

IIt is a bit pricey than any other on the list, but if you want to spend your money on something good, then this will not bother you at all.  

Read Also: Top 7 Quietest Projectors Reviews: Best for Gaming & Movies

3. Thermaltake Smart 430W 80+

Now we have reached our 1st runner up, Thermaltake Smart 430W 80+.  

These new PSUs are not designed for hard-core builders, but for Joe, who is looking for a cheap and reliable PSU for several years to install and forget. Please read more about our review of the power supplies of the 430W SMART series. Thermaltake is one of many HEC manufactured PSU companies. Thermaltake has its own cooling fan with the TT-1225A model number. This is based on a usual sleeve bearing and has seven fan blades. However, we couldn’t provide any details on RPM. The +12V single rail design also provides stable, reliable performance for non-stop use. 

Key features :  

•  Wattage 730 watts
•   Fan 120mm Fan
• Efficiency 80%+
• PFC Active PFC
• Motherboard Connectors 20+4-pin Main Connector,4+4-pin Power Connector
• Power Good Signal 100-500ms
• Form Factor ATX 12V 2.3
•  Dimension 5.5 x 5.9 x 3.4 inch ( L x W x H )

In Order To Provide Cool Performance And Quiet Operation, The Smart Series Takes On A 120 Mm Fan With Intelligent Rpm Control. The Thermaltake Smart 430w 80 Plus Power Supply Is Designed To Provide Your Pcs With A Total Capacity Of 430w. The Smart 430w Power Supply Includes Two Pci-e Connectors, Four Sata Connectors, Four 4-pin Peripherals And One Four-pin Floppy Connector, And The Regular Atx And Cpu Connectors, Which Are Accredited To Support Intel Kaby Lake Ccus. The Smart 430w Power Supply Has An 80 Plus Rating And Can Be Supplied With Up To 86 Percent Energy Output In Real-world Load Conditions.

Things that can be bothering :

This fan is smaller than another on the list, which could lead the users away who want bigger fans as well as it does not rotate but users who want the direct airflow at them this is the best product for them. But this may not be a problem to be considered, as some customers prefer smaller fans.

2. Thermaltake Smart 700W 80+ 

Slightly missing the first position Thermaltake Smart 700W 80+ is our runners of the list. There are some reasons why we have chosen this to be the runners up, please go through the review below.

Feel the crowd of traditional desk supporters with their unique yet elegant Aikoper Desk fan. It has the twin-turbo cyclone structure of Aikoper, the latest proprietary brand technology that evenly reduces airflow for superior air streams. Get two-speed adjustments (low and high speeds) and a pitch angle adjustable for the airflow to 18 degrees directing.

Key features :  

• Type: Intel ATX 12V 2.3.
• Power Factor Correction: Active PFC.
• Input Voltage: 100 Vac – 240 Vac.
• Input Frequency Range: 50 Hz – 60 Hz.
• Efficiency: 82-86% Efficiency @ 20-100% Load.
• MTBF: 100,000 Hrs Min.
• Dimension: 3.39” x 5.91” x 5.5

With the double-blade design of the desk fan, it is also relatively quiet. The Aikoper is powered by sensitive touch control to add to its innovative design. It’s powered by USB, too.

Things that can be bothering :

The reaction for this product can be 50-50%, because it could be ignored by those who are average users and intend to buy less expensive power suppliers. But if you are ready to spend for something great then this is the product for you.

Read Also: Why is my Mac making a whirring noise? Here’s a Fix

1. EVGA 100-W1-0500-KR 500 W1

Here comes the champ !!! 

With the compact 500W design, an integrated electricity switch and fully sleeved cables, save space. The EVGA 500W is a perfect option for an incredibly low price when working on a budget. The 40A on a single +12V rail offers more options without reducing your component needs. We also consider it as the champion for heavy duty safety (OVP, Over Voltage Security, UVP, OCP, OVP, Over Power Protection, etc). The 500W I have connected above are the best PSU I’ve ever seen. It’s not the biggest, but the white PSU you suggested is a lot better than it. This is another reason why we have declared EVGA 100-W1-0500-KR 500 W1 champion, and OTP (Over Temperature Protection)

Key features :  

• ATX12V / EPS12V
• 80 PLUS Certified
• Up to 40A +12V
• Active PFC
• Intel Haswell Compatible

Things that can be bothering :

You may find it difficult to manage all the wires because it is a  bit stiff for cable management . You may also feel the cables are not flexible enough to fix as you might. But with a good casing you will never feel it difficult to manage the wires.

Consider these before buying a quietest power supply

Most of us make a very common mistake, forgetting about the most important part of a CPU while making it. It is obvious, because it will not be glittering or flashing like other parts like cooling fans or processors or graphics cards.  To make sure you have the correct power for your CPU, it is important to do a little homework. You should take some things into account if you want exactly what you are looking for in a PSU.

Peak Wattage, the amount you need:

Wattage is the basis number for distinguishing which PSU is necessary and how it is classified. In other words, this is the total number of watts that the PSU can supply to the various parts of the PC. You will see 300W versions and others up to 1200W. 

Protection  :

Any power supply suppliers can set up safeguards to help keep the components protected from electricity related problems. These safeguards also bring some expense to the electricity system, but they may often give some extra peace of mind.

Efficiency: 

80% of its rated wattage is powered by 80% of a power supply with an efficiency rating, while the other 20% of it is lost as heat.

Quality Of  PSU:

You can save money in the short term by using a low-cost power supply, but if you skimp on quality, you could run into a lot of issues later. Quality power supply will last the entire life of your PC, so we strongly suggest you do your homework and pick up a premium brand. This is one of the most important things to care about when choosing a power supply.

F  A Q:

• Does it matter what power supply I get?

Ans: The power supply is useless unless you connect to and power every component on your PC. This means that it needs to have all the types of connectors required. 

• Is a higher wattage power supply better?

Ans: The more complex the device, the more electricity you require, and the more the input you use from the power source.

• Does higher wattage mean more heat?

Ans: More electricity means more warmth just a large firewood pile, more fire and more heat.

• Can a bad power supply kill a motherboard? (most important)

Ans: If the components require more power than the PSU can supply, the components or motherboard may malfunction.

Bottom Line

Without a strong PC power supply, your machine could lose power output – or worse, turn into a burning hell. You ‘re just going to end up trying to remove it, if not the rest of the internal components. So if you’re investing in the latest Desktop power source, you can get one with enough electricity for the whole city, but also RGB lighting to brighten up your gaming Machine.