Top 5 Power Supplies For RTX 30 Series 2021

With NVIDIA’s latest RTX 30 series graphics cards, the power supplies requirements are different, and if you’re upgrading your GPU to an RTX 30 series card, you may have to upgrade your power supply too. This is due to the RTX 30 series requiring much more power, NVIDIA recommends a 750W power supply for the RTX 3080 which is an increase from the 500W requirement for the GTX 1080.

Soon RTX 40 series graphics cards will launch and 1200W and 1600W power supplies will become more popular as 40 series cards are expected to be power hungry,

5 Tips To Consider Before Purchasing A Power Supply

1. Don’t Assume Higher = More performance: Many assume that higher wattage power supplies are better for performance, this isn’t the case. You won’t need a 1600W Power supply unit for a system that only requires 600W.

2. Pay Attention To Efficiency Ratings: Higher efficiency power supplies use better components which results in the power supply generating less heat and consuming more energy.

3. Research The Brands: There are so many power supply brands out there, and not all of them produce great products. Reliable manufacturers are – Corsair, Seasonic, EVGA.

4. Know What Type Of PSU You Need: Do you need a modular or a non-modular power supply? Modular power supplies allow you to add and remove cables, none of them are soldered. Non-modular units come with all the necessary cables pre-attached, you cannot remove any of them.

5. Don’t mix and match cables: If your choice of power supply is fully modular, you’ll notice you can remove all the cables. While this is fine for cable management, you shouldn’t include cables that didn’t come with the PSU, this is why some power supplies fail and bring other components with them.

NVIDIA RTX 30 Series Power Consumption:
Graphics CardsTDPPOWER CONNECTORSSUGGESTED POWER SUPPLY
GEFORCE RTX 3060:170W1x PCIe 8-pin450W
GEFORCE RTX 3060 Ti:200W1x PCIe 8-pin
(adapter to 1x 12-pin included)
550W
GEFORCE RTX 3070:220W1x PCIe 8-pin
(adapter to 1x 12-pin included)
550W
GEFORCE RTX 3070 Ti:290W2x PCIe 8-pin
(adapter to 1x 12-pin included)
600W
GEFORCE RTX 3080:320W2x PCIe 8-pin
(adapter to 1x 12-pin included)
700W
GEFORCE RTX 3080 Ti:350W2x PCIe 8-pin
(adapter to 1x 12-pin included)
750W
GEFORCE RTX 3090:350W2x PCIe 8-pin
(adapter to 1x 12-pin included)
750W
Capacity & Efficiency:

Before you purchase a power supply, make sure it has an 80% certificate. Most power supplies will have this nowadays, but just keep an eye out.

LOAD:20%50%100%
80+ PLUS:80%80%80%
80+ PLUS BRONZE:82%85%82%
80+ SILVER:85%88%85%
80+ GOLD:87%90%87%
80+ PLATINUM:90%92%89%
80% TITANIUM:92%94%90%

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For RTX 3060
Seasonic FOCUS SGX-500, 500W 80+ Gold, Full-Modular, SFX-L Form Factor, Compact Size, Fan Control in Fanless, Silent, and Cooling Mode, Power Supply, SSR-500SGX.
For NVIDIA RTX 3060 TI & NVIDIA RTX 3070
CORSAIR TXM Series, TX550M, 550 Watt, 80+ Gold Certified, Semi Modular Power Supply (Renewed)
For NVIDIA RTX 3070 & NVIDIA RTX 3070 TI
EVGA 220-G3-0650-Y1 SuperNOVA 650 G3, 80 Plus Gold 650W, Fully Modular, Eco Mode with New HDB Fan, 7 Year Warranty, Includes Power ON Self Tester, Compact 150mm Size, Power Supply
For NVIDIA RTX 3080
EVGA SuperNOVA 750 P2, 80+ PLATINUM 750W , Fully Modular , EVGA ECO Mode, 10 Year Warranty , Includes FREE Power On Self Tester, Power Supply 220-P2-0750-X1,Black
For NVIDIA RTX 3080 TI & NVIDIA RTX 3090
Seasonic FOCUS PX-850, 850W 80+ Platinum Full-Modular, Fan Control in Fanless, Silent, and Cooling Mode, Perfect Power Supply for Gaming and Various Application, SSR-850PX.
Seasonic FOCUS SGX-500, 500W 80+ Gold, Full-Modular, SFX-L Form Factor, Compact Size, Fan Control in Fanless, Silent, and Cooling Mode, Power Supply, SSR-500SGX.
CORSAIR TXM Series, TX550M, 550 Watt, 80+ Gold Certified, Semi Modular Power Supply (Renewed)
EVGA 220-G3-0650-Y1 SuperNOVA 650 G3, 80 Plus Gold 650W, Fully Modular, Eco Mode with New HDB Fan, 7 Year Warranty, Includes Power ON Self Tester, Compact 150mm Size, Power Supply
EVGA SuperNOVA 750 P2, 80+ PLATINUM 750W , Fully Modular , EVGA ECO Mode, 10 Year Warranty , Includes FREE Power On Self Tester, Power Supply 220-P2-0750-X1,Black
Seasonic FOCUS PX-850, 850W 80+ Platinum Full-Modular, Fan Control in Fanless, Silent, and Cooling Mode, Perfect Power Supply for Gaming and Various Application, SSR-850PX.
Wattage
500W
550W
650W
750W
850W
Efficiency Rating
80+ Gold
80+ Gold
80+ Gold
80+ Platinum
80+ Platinum
Modular
Fully Modular
Semi-Modular
Fully Modular
Fully Modular
Fully Modular
Warranty In Years
10
7
7
10
10
Prime Status
Star Rating
-
-
-
-
-
For RTX 3060
Seasonic FOCUS SGX-500, 500W 80+ Gold, Full-Modular, SFX-L Form Factor, Compact Size, Fan Control in Fanless, Silent, and Cooling Mode, Power Supply, SSR-500SGX.
Seasonic FOCUS SGX-500, 500W 80+ Gold, Full-Modular, SFX-L Form Factor, Compact Size, Fan Control in Fanless, Silent, and Cooling Mode, Power Supply, SSR-500SGX.
Wattage
500W
Efficiency Rating
80+ Gold
Modular
Fully Modular
Warranty In Years
10
Prime Status
Star Rating
-
Check Price
For NVIDIA RTX 3060 TI & NVIDIA RTX 3070
CORSAIR TXM Series, TX550M, 550 Watt, 80+ Gold Certified, Semi Modular Power Supply (Renewed)
CORSAIR TXM Series, TX550M, 550 Watt, 80+ Gold Certified, Semi Modular Power Supply (Renewed)
Wattage
550W
Efficiency Rating
80+ Gold
Modular
Semi-Modular
Warranty In Years
7
Prime Status
Star Rating
-
Check Price
For NVIDIA RTX 3070 & NVIDIA RTX 3070 TI
EVGA 220-G3-0650-Y1 SuperNOVA 650 G3, 80 Plus Gold 650W, Fully Modular, Eco Mode with New HDB Fan, 7 Year Warranty, Includes Power ON Self Tester, Compact 150mm Size, Power Supply
EVGA 220-G3-0650-Y1 SuperNOVA 650 G3, 80 Plus Gold 650W, Fully Modular, Eco Mode with New HDB Fan, 7 Year Warranty, Includes Power ON Self Tester, Compact 150mm Size, Power Supply
Wattage
650W
Efficiency Rating
80+ Gold
Modular
Fully Modular
Warranty In Years
7
Prime Status
Star Rating
-
Check Price
For NVIDIA RTX 3080
EVGA SuperNOVA 750 P2, 80+ PLATINUM 750W , Fully Modular , EVGA ECO Mode, 10 Year Warranty , Includes FREE Power On Self Tester, Power Supply 220-P2-0750-X1,Black
EVGA SuperNOVA 750 P2, 80+ PLATINUM 750W , Fully Modular , EVGA ECO Mode, 10 Year Warranty , Includes FREE Power On Self Tester, Power Supply 220-P2-0750-X1,Black
Wattage
750W
Efficiency Rating
80+ Platinum
Modular
Fully Modular
Warranty In Years
10
Prime Status
Star Rating
-
Check Price
For NVIDIA RTX 3080 TI & NVIDIA RTX 3090
Seasonic FOCUS PX-850, 850W 80+ Platinum Full-Modular, Fan Control in Fanless, Silent, and Cooling Mode, Perfect Power Supply for Gaming and Various Application, SSR-850PX.
Seasonic FOCUS PX-850, 850W 80+ Platinum Full-Modular, Fan Control in Fanless, Silent, and Cooling Mode, Perfect Power Supply for Gaming and Various Application, SSR-850PX.
Wattage
850W
Efficiency Rating
80+ Platinum
Modular
Fully Modular
Warranty In Years
10
Prime Status
Star Rating
-
Check Price

SeaSonic FOCUS SGX 500W

best power supply for rtx 3060

The SeaSonic FOCUS SGX 500W is an SFX power supply that can support up to 500W of power to your system. It has an efficiency rating of 80+ gold, and it is 90% efficient at 50% load. The power supply is quite efficient at using the power from the wall.

The power supply is also fully modular, so you can add and remove cables you don’t need to use. This is great for cable management.

The SeaSonic Focus SGX is often compared to Corsair’s SF series power supplies. SeaSonic Focus SGX is often preferred as they have better quality components and a longer warranty.

Also, the product is reasonably priced for an SFX unit at around 130USD. With power supplies, you get what you pay for, you should never cheap out on a unit. SeaSonic is recognized for its high-quality components.

Which Graphics Cards & Components Is This PSU Compatible With?

Wattage500W
Efficiency Rating80+ Gold
Length125MM
Modular Fully Modular
Recommended GPUNVIDIA RTX 3060
Form FactorSFX
PCIe 6+2-Pin Connectors2
SATA Connectors3
EPS Connectors1
Molex 4-Pin Connectors3

The recommended graphics card for this power supply would be the RTX 3060 because the SGX 500W will provide a 50W headroom for overclocking and other components.

The PC case is compatible with Mini ITX Cases, so we would recommend you build a Mini ITX computer with this power supply to conserve space.

The RTX 3060 recommends a 450W unit, the SeaSonic Focus SGX 500 supplies an extra 50W so your graphics card should run without stability issues.

What Is The User Experience?

Many users have reported that the power supply runs extremely quiet, this may be due to the Smart and Silent fan control feature. It has an average noise output of 31 dBA, so when gaming, you shouldn’t get too distracted.

Further experiences with this power supply set forth that the overall construction of the unit is solid, it is known that SeaSonic uses durable components with their power supplies.

However, users have reported that the cables are stiff, this can be an issue when attempting to cable manage the computer. However, since the power supply is modular, you can remove unnecessary cables.

Features Of The 500W Seasonic Focus

The fact that the power supply is a compact SFX-L Size makes the power supply quite versatile with what computer cases you can install it in. You can even install this in an ATX Mid Tower case, but why not save space and use a Mini ITX case.

The Smart and Silent Fan Control feature includes three-phased advanced thermal control and a fanless mode. This feature is beneficial if you’re looking to build a quiet PC.

Also, the power supply is fully modular and since the cables can be quite stiff to mold, this is beneficial as you can remove unnecessary cables.

Finally, SeaSonic promises superior quality with their products, and this can be backed up by their 10 years warranty they offer. It’s rare to see power supply companies offer such long warranties for their products.

Pros:

  • Very quiet. Some users of the SeaSonic SGX 500W report that they’re unable to hear the fans spinning. This is because of the fanless mode feature which stops the fan which eliminates noise completely from the PSU.
  • High quality components. SeaSonic is renowned for their high quality components, this is evident as their units last a long time & they offer long warranties (10 years).
  • Fully modular. You’ll be able to remove cables that are unnecessary for your build, and if the power supply weren’t fully modular, it will be a big hassle as the cables are quite hard to mold.

Cons:

  • Stiff cables. This can be tedious to work with as it will be hard to mold for cable management. But once you get the hang of it, there should be no issues.

Corsair TXM Gold

best power supply for rtx 3060 ti
best power supply for rtx 3070

The Corsair TXM Gold 550W is an ATX power supply that is 80+ gold-rated. It uses components such as Japanese Capacitors and Rifle bearings for the fans for increased endurance.

The power supply is semi-modular which means you can remove certain cables, not all. Fully modular power supplies are usually preferred over semi and non-modular units because you can remove unnecessary cables.

The Corsair TXM Gold series of power supplies are often compared to SeaSonic FOCUS Gold power supplies. While both are great units, the real difference is whether you prefer semi and fully modular power supplies. However, SeaSonic has a 10year long warranty which may suggest that it lasts longer than the Corsair TXM Gold which has a 7year long warranty.

The Corsair TXM Gold is priced at around 100USD which is average for an 80+ Gold rated unit. The good thing about this power supply is that it uses high-quality components so you can expect it to last long and keep other components safe.

Which Graphics Cards & Components Is This PSU Compatible With?

Wattage550W
Efficiency Rating80+ Gold
Length140MM
Modular Semi-Modular
Recommended GPUNVIDIA RTX 3060 TI
& NVIDIA RTX 3070
Form FactorATX
PCIe 6+2-Pin Connectors2
SATA Connectors5
EPS Connectors1
Molex 4-Pin Connectors4

The best graphics card for the Corsair TXM Gold would be the NVIDIA RTX 3060 TI and the RTX 3070. This power supply would be able to support these graphics cards, and maybe a slight overclock.

This power supply will be able to fit in any case that uses the standard ATX power supply mount. Some ITX cases demand the user to use SFX power supplies.

Cable management will be easy as this is a semi-modular power supply which means only the essential cables will come pre-attached. Just remove the unnecessary cables and route them to the back of the pc case.

What Is The User Experience?

The power supply runs quietly according to user experiences. Quietness is valued when performing tasks such as gaming and video editing. A loud computer can be quite distracting.

Cable management is great, users have reported that the cables are not stiff, so this can be a benefit when routing the cables to the back of the PC case. The SeaSonic FOCUS SGX comes with stiff cables, so this power supply could be a better option.

However, User experiences suggest that the cables may be too short for a full tower build. This can be an issue for many reasons because you won’t be able to route the cable in your desired fashion, and cable management will be affected.

Features Of The Corsair TXM Gold

According to Corsair, the Corsair TXM Gold, the Japanese capacitors are 105°C rated which means the capacitors can withstand higher temperatures compared to traditional capacitors. Also, it is stated that the capacitors can supply solid power delivery and long-term reliability.

The 120MM Rifle bearing fan appears to perform quieter than ball bearing fans and lasts longer than sleeve bearing fans. So you essentially get a mixture of endurance and acoustics.

It is stated that the power supply can output at full power even when the environmental temperatures are quite high.

The Corsair TXM Gold 550W is a Semi-Modular unit that offers greater cable management, and temperatures compared to non-modular power supplies.

Pros

  • Uses Japanese Capacitors. Japanese capacitors have a reputation for having great quality control, so they’re able to handle harsher conditions, so it makes it ideal for power supplies to utilize these types of components.
  • The cables aren’t stiff. When you have stiff cables, it makes it difficult to perform cable management because it is hard to mold and route it through the case.
  • Semi-Modular. Although you can’t remove all the cables, it is only the essential cables that are soldered to the power supply. You can still remove unnecessary cables which can pose an issue to cable management.

Cons

  • Short cables. The power supply comes with short cables, this can be an issue if you’re using a large case and can’t reach the components you’re trying to power.

EVGA SuperNOVA G3 650W

best power supply for rtx 3070 ti

The EVGA SuperNOVA G3 650W is a popular power supply unit amongst most PC builders. It is an ATX unit rated for 80+ Gold which is quite durable and runs efficiently.

The EVGA SuperNOVA G3 650W is a fully modular power supply which means you have full control over the unit. These power supplies are preferred as they offer great thermals and cable management.

The EVGA SuperNOVA G3 series of power supplies is compared to many different units. The EVGA G5 is meant to replace the G3 series of power supplies, it has a larger fan which is better for acoustics and thermals, they also have more ECO fan profiles.

For the price, the EVGA SuperNOVA G3 650W offers great value for the price, this is great for value seekers. The unit is currently priced around 88 USD which is a great deal for a high-tier power supply.

Which Graphics Cards & Components Is This PSU Compatible With?

Wattage650W
Efficiency Rating80+ Gold
Length150MM
Modular Fully Modular
Recommended GPUNVIDIA RTX 3070 &
NVIDIA RTX 3070 TI
Form FactorATX
PCIe 6+2-Pin Connectors3
SATA Connectors6
EPS Connectors1
Molex 4-Pin Connectors4

The recommended graphics card for EVGA SuperNOVA G3 650W is the RTX 3070 and the RTX 3070 TI. If you’re looking to overclock the RTX 3070, then this is the power supply you need.

The power supply is able to utilize ATX power supply mounts, and you may use it with some Mini ITX cases. However, the power supply is longer than the previously reviewed ones.

As for cable management, it is fully modular which means you can remove unnecessary cables. Always remember to never mix and match modular cables as that can fry components.

What Is The User Experience?

According to user experience, the power supply produces a coil whine, it doesn’t harm the PC, but it can be annoying to hear at some times. This may be common with EVGA products as users have reported coil whines with the newest version the G5.

Besides the coil whine, the PC does run quietly, users have experienced the economic mode of the power supply. It basically means the fans won’t start up immediately which can result in a pretty quiet PC build. It will only turn on once the computer starts pulling a certain amount of power, usually when you’re gaming.

Many beginner PC builders stated that the installation was easy and didn’t take long at all. This is because the installation manual is beginner-friendly.

Features Of The EVGA SuperNOVA G3 650W

The EVGA SuperNOVA G3 comes at a reduced size to conserve space. EVGA says that the smaller build of the power supply does not mean smaller performance. If we compare it to the EVGA G2 650W, the EVGA G3 is smaller by 15MM.

The power supply features high-quality fans which operate much quieter than other fans which utilize different bearings. The EVGA G3 uses Hydraulic Dynamic Bearings which are quieter, more durable and have a longer lifespan.

EVGA states that the EVGA G3 SuperNOVA improves on the already efficient G2 series. The G3 unit has better efficiency and lower rippler compared to the G2 units. Ripple is basically a discrepancy within the power supply voltage.

Also, the power supply is fully modular therefore you can remove all the cables that come with the power supply. Fully modular power supplies usually offer better performance than non-modular units.

Pros

  • User friendly. Users have reported that the installation is pretty straightforward and quick. EVGA made a user-friendly installation manual which can go a long way for beginner builders.
  • The power supply uses high quality hydraulic dynamic bearing fans which increase the durability and lifespan whilst decreasing the noise output.
  • The power supply is smaller than its predecessor (G2) by 15MM whilst being much more efficient and reducing voltage ripple. This is good if you want your components to last much longer. Running components out of their specified voltages can reduce the lifespan of them.

Cons

  • The power supply can sometimes produce a coil whine which can be annoying to some users. Whilst coil whines aren’t dangerous or a sign of a failing PSU, it can be distracting and may distraught the builder.

EVGA P2 750W

best power supply for rtx 3080

The EVGA P2 750W is a fully modular ATX power supply that is 80+ Platinum rated. This is one of the most efficient units on this list. It also features a 10-year long warranty.

The power supply is also fully modular which means you can remove all cables included with the power supply. For cable management, this is the most popular option compared to non and semi-modular units.

The EVGA P2 is often compared with the PQ, T2, G3, G2 units. The P2 is superior to both G3 and G2 units. The PQ unit is another platinum-rated PSU, so it effectively has the same efficiency as the P2. However, the T2 unit is Titanium rated which is the most efficient power supply you can buy for computers.

The power supply is on the pricier side, but it is likely worth it since it comes with 10 years of warranty which is rare for power supplies, and it’s efficient at 80+ Platinum rated. It is unlikely this power supply will cause serious problems

Which Graphics Cards & Components Is This PSU Compatible With?

Wattage750W
Efficiency Rating80+ Platinum
Length165MM
Modular Fully Modular
Recommended GPUNVIDIA RTX 3080
Form FactorATX
PCIe 6+2-Pin Connectors4
SATA Connectors3
EPS Connectors2
Molex 4-Pin Connectors4

The recommended graphics card for the EVGA P2 is the RTX 3080, the power supply will most definitely handle the 3080 as it’s extremely efficient, and it has a 50W headroom.

The power supply is quite long coming in at 165MM, usually more capacity means the power supply will be longer. Be wary if your case can accommodate this power supply.

Since the power supply is fully modular, you can utilize this feature for a much simpler cable management experience. Additionally, since this power supply is fully modular, do not mix and match the cable as this can be a fire hazard, and be the reason for hardware failure.

What Is The User Experience?

The user experience for this power supply seems to be very friendly for beginners and advanced builders. As the power supply is fully modular, they’ve labeled the cable terminals where they belong.

Users have also compared this power supply to their previous units, and have reported that their computers run a lot cooler overall. This means the PSU runs cooler than some other PSUs, this may be due to the power supply being quite efficient and utilizing superior components.

Buyers of this power supply stated that even without ECO mode activated, the power supply runs extremely quiet, but one downside to using ECO mode is that it can cause stability issues whilst gaming. Also, users have reported a minor coil whine.

Features Of The EVGA P2 750W

The EVGA P2 features a 10-year long warranty which is rare to see with PSUs. If you see a power supply with 10 years of warranty, it is likely that it is a solid unit.

The PSU also utilizes the highest quality Japanese brand capacitors for long-term reliability and stability. Power supplies that use Japanese capacitors tend to last longer, this is because Japanese capacitors have superior quality control compared to traditional capacitors.

The power supply uses double ball bearing fans which are the most durable type of bearings, and they don’t produce too much noise whilst in operation.

The PSU also has an ECO mode which eliminates the use of the fan during low to medium load operations. when you’re not gaming, the fan will be off which can be a positive if you don’t like hearing fans on 24/7.

Pros

  • 10 Year long warranty. Most power supplies offer around 7 years of warranty, this is because it is expected to fail within that time. When a brand offers 10 years of warranty for their product, it is usually because the brand is confident that the product is good.
  • 80+ Platinum rated. The power supply is more efficient compared to their 80+ gold counterparts. You will save a small amount of money whilst this power supply is operating compared to lower efficiency rated units.
  • Good cables. The power supply comes with cables which are labeled at the terminals, and the cables are braided. The labels are there to be user friendly, and the braided cables are for durability.

Cons

  • Minor coil whine. the unit may produce a slight coil whine. Since it’s a minor coil whine, it is unlikely it will annoy you.

SeaSonic FOCUS PX 850W

best power supply for rtx 3080 ti
best power supply for rtx 3090

The SeaSonic FOCUS PX 850W is an 850W PSU which is also 80+ Platinum rated. It is fully modular and uses the ATX form factor. Just like the previous PSU, it offers a 10-year long warranty.

The SeaSonic FOCUS PX 850W is fully modular which allows the user to remove all the cables that come with the PSU. Again, for cable management, fully modular PSUs are the best as you can remove cables you don’t use.

The SeaSonic FOCUS PX is often compared to the EVGA G3, G2, and Seasonic Prime GX units. The SeaSonic FOCUS PX series is obviously better because it’s more efficient, but it is also the more expensive option amongst these units. They all offer the same 10 years warranty.

Price-wise, the SeaSonic FOCUS PX is on the pricier side because it’s a top-notch unit and is overkill for most builds, but if you’re going for a maxed-out build that utilizes 3080 TI’s and 3090, then it’s worth using a top tier power supply for assurance.

Which Graphics Cards Is This PSU Compatible With?

Wattage850W
Efficiency Rating80+ Platinum
Length140MM
Modular Fully Modular
Recommended GPUNVIDIA RTX 3080 TI &
NVIDIA RTX 3090
Form FactorATX
PCIe 6+2-Pin Connectors6
SATA Connectors10
EPS Connectors2
Molex 4-Pin Connectors5

The recommended graphics card for the SeaSonic PX 850W is the 3080 TI and the 3090. They both have the same TDP therefore they’re likely to pull similar amounts of power.

The SeaSonic FOCUS PX should be able to fit in most cases that use the standard ATX PSU mount. Even certain ATX cases can utilize this PSU.

Cable management should be no problem as the power supply is fully modular and you can remove cables you do not need.

What Is The User Experience?

Buyers of the SeaSonic PX have said the power supply runs extremely quietly. Also, the power supply runs quietly without any noticeable increase in operating temperature.

Buyers have experienced that the SeaSonic PX can operate 24/7 with no issues, the power delivery on the PSU is consistent enough for all-day usage. This suggests the SeaSonic PX components are highly durable and can withstand heavy loads.

The cables that come with the SeaSonic FOCUS PX are of optimal length and aren’t too hard a user has stated. If you’re using this power supply with an ATX case, you can expect to have no problem cable managing and reaching your components.

Users have shared their experiences and said that they experience coil whine whilst gaming. This may or may not be an issue depending on the user, but if it’s a loud coil whine, then it may be a minor disturbance.

Features Of The SeaSonic FOCUS PX 850W

Hybrid Silent Fan Control. SeaSonic has an advanced three-phased control system that aims to achieve an optimal setting between cooling and silence. It comes with three modes, Fanless Mode, Silent Mode, and Cooling Mode.

The power supply uses Fluid Dynamic Bearing Fans which aim to achieve quietness. They’re great in the durability department, and they offer a decently long lifespan. They’re made to reduce friction and vibration which ends up reducing the overall power consumption.

Inside the power supply, no cables are utilized, the back panel and the printed circuit board are connected via a copper plate. It not only reduces production errors but provides a better power output quality.

Pros

  • 10 year long warranty. SeaSonic are clearly proud of the FOCUS PX. Usually power supplies with shorter warranties are not as durable as units with 10 year long warranties. You can expect the unit to last the full 10 years and most likely more.
  • Durable fans. The fans are made to reduce friction and vibration. This reduces the power usage making the unit more efficient than others.
  • Compact size. it is small for the wattage rating, it is expected to fit in all ATX systems. It can also fit in certain Mini-ITX cases which is great for high end ITX builds.
  • 80+ Platinum. While you won’t notice a big saving on your electricity bill, it adds up over the years.

Cons

  • Minor coil whine. If you’re a gamer, you may experience the coil whine once you reach a certain frame rate, this can be annoying depending on the user.

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