PSU (Power Supply Unit) is important for any Computer or Laptops. It’s a device that converts AC current into DC current and supply power to smaller components inside the case. Every power supply unit is different and it varies from device to device.

Say for example, the laptops may have a low output of 60 watts, while another electronic component might have a high output of about 1000 watts and beyond. When your PSU isn’t supplying sufficient power to your computers or laptops, it will get malfunctioned.

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SFX PSU is an ideal choice for any gaming PC, the gaming cards used in computers need a lot of power to run efficiently. But, which SFX PSU is suitable for your computer?

So it's your responsibility to make sure you pick the best SFX PSU for your PC to keep it running for a longtime. Here, in this article, I recommend you some of the best SFX PSU for your computers having good supplying capacity needed for the equipment to work efficiently.

10 BEST SFX PSU review

1. EVGA SuperNOVA - 650w sfx psu

SFX PSU

Product Information

  • Dimensions: 5.5 x 5.9 x 3.4 inches
  • Weight: 4 pounds
  • Manufacturer: EVGA
  • Model number: 100-N1-0650-L1

EVGA has introduced the SUPERNOVA 650 W N1 SERIES line to add more power of EVGA pre-existed power supplies into an SFX form factor. This is capable of delivering power up to 650 watts. 

The 650 W supplies enhance the performance of smaller components in the PC case. I highly recommend this SFX PSU for a greater performance for a long run with minimal power consumption.

Features:

  • These best SFX PSU gives 90%(115VAC) efficiency under typical loads for which it makes it a 80 PLUS Gold Certified. 
  • It has heavy-duty protections.
  • Includes 135mm fluid dynamic bearings.
  • This 650W sfx PSU assures over/under Voltage protection(OVP, UVP); Over Temperature Protection(OTP).
  • SCP feature for heat control inside the device and gives off lesser heat dissipation.
  •  100% Japanese capacitors which gives assurance for long-term reliability.
  •  Gives maximum output i.e 650Watt at 50℃.

pros

  • Great power density.
  • Quiet operation .
  • Completely modular.
  • Good impeller functioning inside the case.
  • Affordable price.

cons

  • Moderate load response.
  • High inrush current with 230V.

2. COOLER MASTER - fanless sfx psu

SFX PSU

Product Information

  • Dimensions: 5.5×5.×3.4 inches
  • Weight: 4.47 pounds
  • Manufacturer:  COOLERMASTER
  • Model number: MPX-7501-AMAAB-US

Cooler Master is the most trusted brand in manufacturing computer hardware and thus you can trust them for providing the best SFX PSU for your PC.

Never doubt cooler master power supply unit as it gives you premium quality performance and once you get it installed you will observe lesser heat dissipation in your PC or laptop and it could save more electricity.

Features:

  • Dual DC-to-DC circuit design.
  • It has a durable LDB bearing.
  • Cooler master SFX PSU owns a fully developed Silencio FP.
  • A semi fanless modular 120mm fan with a service lifespan of 160,000 hours.
  • 80% Plus Bronze Certified for delivering typically 85 % efficiency.
  • Thick PCI-e cables for current safety and increased efficiency rate.
  • Conductive cable operation.
  • Cooler Master SFX fully modular PSU is capable of delivering 750 Watt.

pros

  • Quiet operation.
  •  Easy cable management 

cons

  • Vibrates after a certain time of usage.

3. CORSAIR SF Series 450W - Best Budget SFX PSU

SFX PSU

Product Information

  • Dimensions: 3.9×4.9×2.5 inches
  • Weight: 1.9 pounds
  • Manufacturer: CORSAIR
  • Model number: CP-450W

Corsair is another best SFX PSU series in the power supply. The SF platinum-plated high-density design provides complete reliability and quality to your computer. These platinum power supplies come attached with sleeved cables which help in easy installation. 

I recommend this platinum series of power supplies if you are looking for a low budget reliable and trusted power supply device for your computer case.

Features:

  • This 450 W sfx PSU assures over/under Voltage protection(OVP, UVP); Over Temperature Protection(OTP).
  • Maximum protection over other components in the computer including the motherboard.
  • This SFX PSU is engineered to meet the maximum power output of 450W at 45℃.
    92mm zero rpm mode case fan.
  • This series of six is 80 [email protected] Gold certified for delivering 90% efficiency at 50% system load.
  • Maximum airflow through the wires
  • 100% Japanese 105℃ capacitors.

pros

  • Better ripple suppression
  • Premium quality
  • Good load regulation
  • Smooth and noise-free operation

cons

  • ATX cable is shorter
  • No controller for semi-passive mode deactivation 

4. Seasonic Focus - 550w sfx psu

SFX PSU

Product Information

  • Dimensions: 9.5×6.7×3.7 inches
  • Weight: 4.19 pounds
  • Manufacturer: SEASONIC
  • model number: FOCUS SGX-500

The long-awaited Power supply line of Seasonic’s Focus SGX is out in the market and it’s available online. The modular is equipped with an ATX adapter bracket to serve power supply to ATX chassis.

This is the best SFX PSU you could get at an affordable price of $150. The Seasonic hybrid model is shipped with other sophisticated and reliable components that contribute largely to the power supply to your computer’s internal components.

Features:

  • 80 PLUS GOLD Certified having 90 % efficiency at 50 % system load.
  • The SFX PSU is compact sized measured 120mm in width and length. This compact size lets it fit perfectly in various computer cases.
  • Optimized heat dissipation
  • High-performance 120mmv FDB which causes zero noise and friction.
  • Tight voltage regulation
  • This season’s focus is capable of delivering 500W power supply to the computer case having gold-plated connectors.
  • S3FC with 30% load regulation
  •  Non-wired connection design. 

pros

  • Full power supply at 46℃.
  • Ten years warranty
  • High performance 

cons

  • Noisy fan under high load.

5. Enermax Revolution - most powerful sfx psu

SFX PSU

Product Information

  • Dimensions: 4×5×2.5 inches
  • Weight: 2.25 pounds
  • Manufacturer:  ENERMAX
  • model number: Revolution 550

Enermax has achieved milestones with their greatest innovations in computer components in all the categories that include Peripherals, Audio, fan, coolers, liquid coolers, and case fans.

I truly suggest this product for its excellent quality and seamless performance. Nothing could go wrong with Enermax’s compact SFX PSU series.

Features:

  • Powerful and compact SFX form factor for highest quality performance.
  • This series is equipped with 100% Japanese 105 electrolytic capacitors.
  • 80 PLUS® Gold certified.
  • Smart semi-fanless control and zero rpm mode.
  • It is compatible with the SFX-ATX power supply in ATX or Micro-ATX chassis.
  •  100% flexible modular cables
  • 2013 ErP Lot 6 ready with +5VSB circuitry.
  • Zero load ready for DC to DC circuit.
  • Multiple protection circuitry OCP, OVP, OPP, OTP, SCP.
  • Supplies 550W at 40-degree Celcius. 

pros

  • Fully modular
  • Q boom wireless adapter
  • Flat ribbon-like cables
  • Ripple suppression to +12V

cons

  • Limited airflow
  • Sleeved bearing fan.

6. THERMALTAKE - modular sfx psu

SFX PSU

Product Information

  • Dimensions: 10.9×8.4×4.8 inches
  • Weight: 5.8 pounds
  • Manufacturer:  THERMALTAKE
  • Model number: TPD-0750M

Thermaltake Toughpower is the strongest series and one of the best SFX PSU, certified for delivering unbeatable and seamless efficiency to internal components of the computer. With, ThermalTake you can provide maximum power to your computer components.

Features:

  • 80 PLUS GOLD Certified to comply with all the standards of serving high quality, stable performance, and excellent modular design.
  • It gives 87-92 % efficiency @20-100% Load.
  • The SFX PSU has a working lifespan of 120,000 hours and can be extended depending upon the use.
  • Equipped with Active Power Factor Correction.
  • The SFX PSU uses a 135mm cooling fan and zero rpm control. 
  • Meets the demands of Intel’s New generation Kaby Lake processor.
  • 100% Japanese capacitors.
  • This device is equipped with a powerful dual +12V rail. 

pros

  • Best Power supplier
  • Easy installation
  •  Totally reliable

cons

  • Sometimes it shut downs automatically  

7. Rosewill Quark Series sfx 1000W

SFX PSU

Product Information

  • Dimensions: 7.1×5.9×3.4 inches
  • Weight: 1 pound
  • Manufacturer: Rosewill Direct
  • Model number: Quark 1000

Rosewill’s high-quality solutions are serving premium quality computer components. They are the most trusted and reliable brand in PC, gaming, and IT hardware products with their highly professional team with innovative ideas. 

Presently, Rosewill manufactures all of these three categories in large numbers. I highly recommend you to buy this SFX PSU if you are looking for a larger power capacitor.

Features:

  • Full protection over OCP, OVP, OPP, OTP, SCP.
  • It has active power factor correction( PFC) having a PF value of 0.99.
  • Equipped with fully automated 135mm case fan for seamless performance.
  • High-quality Japanese capacitors
  • 80 [email protected] PLATINUM Certification for serving efficiency above 92%.
  • LED light power indication
  • Quark series gives power supply capacity of 1000W. 

pros

  • Delivers the highest power at 47 ℃.
  • Good voltage load regulation
  • Fully modular cables
  • Japanese capacitors

cons

  • Noisy at high loads.

8. Fractal Design Ion SFX 650W

SFX PSU

Product Information

  • Dimensions: 10.2×6.7×3.7 inches
  • Weight: 4.76 pounds
  • Manufacturer: FRACTAL DESIGN
  • Model number: ION GOLD-650W

Ion SFX-L gold is an SFX power supplying device with enhanced cable connectivity, flexibility, and high-quality output. This fully modular component is reliable and trusted for longer life.

I recommend you to buy Fractal’s Ion gold SFX 650W that supplies maximum power output of 650 watts at 50-degree celsius.

Features:

  • This power supply Ultraflex DC wires give effortless cable flexibility which makes installation easy.
  • 80 [email protected] certified
  • It has semi-passive 0 RPM mode which helps in noise cancellation
  • Large hydraulic bearing 120mm fan is FDB efficient.
  • Tight Voltage regulation.
  • It is fully modular for reduced clutter.
  • High current flexibility that has an ultra-high stand count of 0.08T.
  • 80P PVC offers rigidity and better cable management.
  • Japanese premium capacitor which provides durability.
  •  Equipped with ATX adapter bracket

pros

  • Excellent SFX to ATX power supply
  • 10 years warranty
  • Fully modular

cons

  • Low 5 VSB efficiency

9. SilverStone Technology 450W SFX

SFX PSU

Product Information

  • Dimensions: 3.9×4.9×2.5 inches
  • Weight: 3.2 pounds
  • Manufacturer: SILVERSTONE TEK
  • Model number: ST4SSF- G

SilverStone makers have continued their innovation for advancement by releasing a wide range of upgrade-worthy tiny form factor power supplies. You can rely on this SilverStone all-new small SFX form factor PSU for the amazing features it offers. 

Want a fully functional PSU device for your computers and laptops then here is the perfect choice you have with SilverSton's SFX that offers 450W power supply.

Features:

  • It is [email protected] PLUS Bronze level certification for high efficiency 82%~85% efficiency at 20%~100% loading capacity in the smaller components of computer cases.
  • It is a class-leading single +12V rail with 36Amps power to run the device efficiently and supply uniform power to each component.
  • This SFX PSU has a single PCI-E 8pin and dual PCI-E 6pin connectors support.
  • This small SFX form factor is present to squandered heat and save maximum electricity. 
  • 80mm hydraulic fan has a tremendous airflow rate and less noisy, perfect for home or workplace use.
  • When it comes to high power supply Silverstone’s FS-450 are the best.

pros

  • Fabulous ripple suppression
  • Fully modular and flat cables
  • Perfect voltage load regulation

cons

  • Ripple suppression occurs at low rails

10. FSP Dagger PRO 550W Mini

SFX PSU

Product Information

  • Dimensions: 5×4×2.5 inches
  • Weight: 3.75 pounds
  • Manufacturer: FSP Group USA
  • Model number: 550W

All-new FSP Dagger Pro is the best PSU in the market so you can choose it as it features an ATX adapter bracket to easily supply power into ATX, Mini-ITX, and Micro-ATX chassis.

The fully modular, extended cable system maintains airflow within the system. Add more power up to 550W to your compute for better functioning and to extend the service life of your computers or laptops.

Features:

  • Ideal for home computers due to its fully modular design and flat cables which makes the device installation easy.
  • Dagger Pro features a 92mm case fan to reduce load up to 90% and reduce easy noise-free operation.
  • 80 PLUS GOLD certification that assures efficiency at 50% load and reduces power consumption.
  • The dagger pro comes with a single +12V rail to supply VGA card full power.
  • Equipped with solid power solution that keeps your motherboard safe.
  • Utilizes Japanese capacitors. 
  • MIA IC chip is set inside the dagger pro.
  • Full protection over OCP, OVP, OPP, OTP, SCP. 

pros

  • Full power at 50℃
  •  Good load regulation
  • Fully modular
  • 2X EPS connectors 

cons

  • Costly
  • High ripple rate at +12V.

Buying Guide For Best SFX Power Supply Unit

PSU size: Most of the PSU's comes in compact size. You must check the chassis which you intend to use to check whether PSU fits. Some chassis doesn't support ATX form factor PSU's and may require SFX or SFX-L PSU's that are smaller in size. So it is necessary to check the size of your chassis before buying a PSU.

Modular power supply: Always prefer a fully modular PSU's over semi-modular ones and don't opt for non-modular PSUs. Non-modular PSUs are used in low-end system's, whereas a fully or a semi-modular power supply ensures better cable management thus improving the airflow in your system which leads to lower thermal loads and also reduces the output noise.

Wattage: Few years ago, all the graphics cards consumed a lot of power, but things have changed. With updated technology, 800W model is more than enough.

CONCLUSION

High performance is the demand of any computer case to run efficiently and all the mentioned SFX PSU brands in the above list are best in delivering the highest power to all the components. Choose the best SFX PSU from the list I sorted out for you.

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I am Mark Evans, I really crave to keep my audience up-to-date about all the tech-related products. You can find all the tech-related information on my website. I also help you save time to buy products online by listing out the features of the product with pros and cons. I hope you have a good time reading my blog.

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