8 Best SFX Power Supplies (PSUs) For SFF Builds in 2022

best sfx power suppliesPower supply is an essential component in any electronics. You might have seen a black box inside the back of computer or gaming PC. If you want a robust gaming PC for lag free experience or a home theater PC you surely have to have a power supply, without it your system in incomplete. A SFX or SFF a (small form factor) is a device which is used for computer to lessen the volume and footprint from computer. It basically converts AC into DC.

The SFX power supplies are manufactured in different shapes and sizes. They are usually in smaller size as compare to ATX PSU with the regular dimensions of 100 mm long (in depth) 125 mm wide 63 mm high (100  mm) {100 mm (L) × 125 mm (W) × 63 mm (H).

Power supply is a must have when it comes to have a gamming PC, mini-ITX enclosures, SFX, SFF or a HTPC for proper working. The size of its fan comes also has size variations such as 80 mm and 92 mm etc.

A PSU is usually in smaller size for factor PCs NCase M1. There are gold, Bronze, silver and platinum power supplies are available in the market which assist us in terms of their working capacity.

If you are searching for a best SFX power supply for you but do not know about its specifications and models it’s time to gear up your knowledge with the help of this article.

Top 8 Best SFX Power Supplies for SFF Gaming Build or HTPC

To know more about SFX power supplies and their functions this article will prove to be a best guide. Here is the list of best SFX power supplies

1. Best Corsair SFX 600 SFX PSU 80 PLUS Gold

corsair sf600 platinum review

This battery is of supreme quality and of great durability. You can buy this one for your mini ITX, SFF. It works best be it a HTPC or a gaming PC. The contour and build quality is really appealing. The amazing thing about this SFX battery is that it has built in graphics card in it with mid to the high-end graphics support.

This SFX battery can give you the 12V barrier which has the power of 50A. The cables attached to it are ever so elastic and you can work with it with a comfortable approach. This corsair SFX SF600 PU has been made with 80 plus gold certification and thus gives you the best result with 90% efficiency along with 50% load. The fan installed in this PSU with 92 mm and 0 RPM fan mode. The voltage constancy and smooth efficiency is something you will find it at first.

The appreciating thing about its fan is that it does not produce any sound and works silently. You do not find is noisy when this SFX PU is in work. No matter if the power load is low or minimal the fan remains swift without any whirling. There are two 8 pins PCI express connection wires. At the back side of this SFX PU there is an on and off button option. Another amazing thing about this is that it is harmonious with ATX and ITX equally. With the warranty of long 7 years this battery is on demand. All in all, choosing this Corsair SF 600 SFX PSU 80 PLUS Gold for your HTPC or gaming PC would be a worthwhile decision.

Key features:

  • Watt 600 W
  • PCI express connection 8pins (6+2)
  • Fan size 92 mm
  • Rail 12V Power 50A
  • Warranty 7 years
  • Gold certification 80 plus

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2. Best Thermaltake Tough SFX Power Supply 450W gold

thermaltake toughpower 600w review

This power supply unit is the recommended for best performance. Who doesn’t know the Thermaltake brand name? In the market of power supplies the Thermaltake Company is no less than big gun

The brand is a trademark for producing high end and robust products. This though power supply with 450W has a high power for running HTPC and PC. The 80 plus gold certified in it for which it gives high efficiency.  The thing which makes it different from others is its size. This Thermaltake though power supply has 100 mm in its length and for this useful reason it can fit in confine place with a great ease. Talking about its fan you will be surprised by the quality of it. This Thermaltake tough power supply has been embedded with a quality fan inside it with 80 mm and 0 RPM.

You can call it a smart fan. The 12V rail has a 37A capacity in single rail. The company gives you the satisfactory 7 years warranty. The same model is also available in 600W categories. You can pick which suits you the best. The 600 W would be more useful for people who are planning to have a SFX gamming PC system. This Thermaltake tough power supply is highly recommended for you HTPC and PC for a next level experience.

Key features:

  • Watt 450 W
  • PCI express connection 8-pin (6+2)
  • Fan size 80 mm, 0 RPM
  • Rail 12V, single Rail 37A
  • Gold certification 80 plus
  • Warranty 7 years

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3. Best Corsair SFX AX 1500i

corsair ax1500i review

If you are irritated by your old SFX power supply and want a new one it’s time to replace that with this new Corsair AX 1500i power supply.

The Corsair Company has lived up to the expectation of people with full integrity and fine features. This PSU has an ever so satisfactory manufacturing. This battery has 1500W of power capacity and gives you the efficiency rating of 80 plus Titanium. This SFX power supply is the most recommended on and has topped in the rank list. It has max 1500 watt power and gives you the ultimate efficiency with 80 plus rating. You do need to worry about its performance as the corsair company gives you the privilege to use it for longer terms. By having this power supply for your PC and HTPC you will be amazed by the performance of this Corsair AX1500i SFX. With the enormous built size this Corsair PSU has won the hearts of its Quietest PC Case users. This Corsair AX 1500i power supply gives you the warranty of 10 years which is really a big deal.

Key features:

  • Watt 1500 W
  • Efficiency rating 80 plus Titanium
  • Modularity fully
  • From factor EPS
  • Warranty 10 years

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4. Best Corsair SF-750 Platinum

corsair sf750 review

With prime feature and most durable quality this corsair power supply has become a name itself. Whenever you think to have your own personal computer you most probably want a power supply that work great and let you enjoy a swift working time. This comes with the absolute package for SFF builders. You might have noticed the irritating fan noise in these PSUs. This Corsair SF-750 Platinum battery is super quiet in its performance with 0 db.

This corsair SF750 Platinum PU gives amazing output and has been made with durable quality material. In thin power supply the fan works ultra smoothly and has been built with 0dbs. This power supply is functional up to 300W. To avoid mess and fuss at your working premises this power supply comes with braided wires. You can put is anywhere with pretty much ease. For finer HTPC or PC output, having this battery would be and wise choice to go for. You can have a very long time of warranty with this PSU. The company gives you 10 years of warranty.

This same PSU version is also available in gold certified category but this Platinum corsair SF-750 PSU has been built with braided wires which is plus point.

Key features:

  • Watt 750 W
  • Efficiency rating 80 plus
  • Modularity fully
  • Efficiency Platinum certified 80 plus
  • Noise LAMBDA-A (25-30 dB,A)
  • Power factor connector active
  • Warranty 10 years

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5. Best FSP Dagger 600W SFX Power supply

fsp dagger 600w mini itx review

Here is the most suitable and compendious SFX power supply. This works best for HTPC, PCs and for other media. For a powerful gaming workstation of a robust you would definitely need great PSU in order to run you set up swiftly. This PSU is able to run a mini-ITX gaming system or even a workstation.

This FSP Dagger PSU battery offers you 600W of power along with 80 plus gold certified work efficiency. Usually the fan in SFX power batteries is smaller in size, which means it require more load and thus these fans make an annoying sound. The smooth and noise features make it more demanding for users. This FSP Dagger power supply has been manufactured with standardized cables wires. This SFX power supply gives you less wire more convenience. The cables of this supply are already threaded and compact due to which you easily ménage this device wherever you want.

The 80+ gold efficiency of this device makes sure that the device remains cool and free from overheating issues as the conversion from AC to DC takes a lot of voltage consumption. This SFX give 90% of satisfactory output under load. This FPS Dagger PSU has been built with 12V of rail with 50A of electric power. For the connections it has been built with two 8-pin (6+2) PCI-E cables. This PSU has OCP/OVP/SCP/OPP/OCP/OTP security in it. The 10% Japanese capacitors made this SFX more reliable and durable.

The fan installed in this power supply is ever so silent and does not produce any kind of weird sound. The surge protection of this SFX supply is the best thing to keep the device free from voltage fluctuation. You can use this SFX for you r workstation and pc gaming purpose, it gives you the warranty of 3 years. You can also buy this branded SFX in 500 watt category.

Key features:  

  • Watt 600 W
  • Fan size 80 mm with dual ball bearing
  • Gold certification 80 plus
  • 12V rail ,50A single
  • PCI express connector 8-pin (6+2) x 2
  • Warranty 3 years

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6. Best Seasonic Focus SGX-650

seasonic focus sgx 650 review

With the decent look and supreme performance you will definitely like its performance and find it reliable. For making your own custom home theatre you need to shop for this Seasonic focus SGX-650. This PSU works with great smoothness. It is operational in 650W. It is 80 plus gold certified SFX power supply which means it is efficient to work in low voltage. This battery gives you the 90% ultimate output even with 50% load of system.

The fan of this PSU has something noticeable about it. This fan can be operational fanless mode, silent mode and cooling mode. This power supply has sole rail of 12V in it with 54A of ampere. For connecters this Seasonic focus SGX PU has 8 pin (6+2) PCI express for graphics card accessibility.

The wires are compact and you will place it without getting your space messy. This seemingly little box is able to do wonders. Made with durable materials, you can choose this SFX power supply for high end graphical work. It you bought this power supply you will stick to this company. This SFX power supply has everything you need to have for a fast and high end gaming PC.

Key features:

  • Watt 650 W
  • 12V rail 54A, Single
  • Fan size 120 mm
  • PCI Express Connector 3 x 8 / 6 Pins
  • 80 plus certification gold
  • Warranty 10 years

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7. EVGA Supernova GM SFX 650W GM

evga supernova 650 gm sfx review

The good thing about this battery is that it can easily run a high end system without much effort. This has been built with 650W. This power supply has been built with a dainty design and professional contour. The cables of this EVGA supernova supply are compact and modular, which means there is a proper ventilation system with a good air regulation. You can work without having a problematic messy space. The 92 mm fan size does not make a loud noise at all and works pretty much in quietness. This EVGA has 12V rail which is operational on 54.1A of current. This PSU has been made with four 8pin (6+2) connecters on it.

This EVGA supernova SFX supply gives you 80 plus gold certification which means its working is super ace. This supply is best suitable for PCs which are working on consumer grade processor and single card. This EVGA supernova SFX power supply made sure that you can use it in both ATX compatible cases and in smaller system with equally super sufficient performance. This ability makes this battery dual PSU worker. This same PSU is available in the 450W, 550 W, and 650 W PSUs categories. All of these are fully 80 plus gold certified, made with standard quality and are compact braided wires which really matters for security.

This is a modular SFX power supply which is greatly efficient to end tasks. As a whole this battery will live up to your requirement and expectations. With the 7 years of warranty you are given everything you are looking for.

Key features:

  • Watt 650 W
  • PCI Express Connector four 8 pin(6+2)
  • 12V Rail , 54.1A single
  • 80 plus gold certified PSU
  • Fan size 92 mm
  • Warranty 7 years
  • Modular braided cables

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8. NZXT E650 Power Supply

nzxt e650 gold digital psu review

This NZXT E650 is also a great option to try a new level of technology. This battery is best suitable for gamming pc. The main thing about this PSU device is that it is very stylish and unique in its design. This battery is functional on ATX,ITX, HTP and PC

This NZXT is a fully modular power supply and is 80 plus gold certified. This SFX power supply gives you the 10 years of high quality performance warranty. If you bought this one for your PC or home theater you will not regret your buying.

Key features:

  • Watt 650 W
  • 80 plus gold certified PSU
  • Warranty 10 years
  • Modularity full
  • From factor ATX

Experts say that a best PSU battery should be 80 plus certified, for more swift performance. The best SFX power supply would definitely have an 80 plus certification. This 80 plus certification made sure that even at low voltage the battery will give you best results along with safety and high skill output.  You should choose the one which is able you produce 20% more watts it makes a great difference.

It’s time to gear up your knowledge to get yourself a more advanced and newer version of power supply. No doubt that market has a plenty of PSUs, but you need to careful in order to purchase the best SFX power supply

Sum up

In the light of above mentioned SFX power supplies now you will be able to buy yourself a great and robust quality SFX. You can pick the one which is under your budget and goes well with your demands. Theses supplies help you to build your own high end and classified system, HTPC and advance level workstation. All of these SFF, SFX are of well known brand which gives a satisfactory performance.

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