If you’re building a small form factor PC, choosing the right SFX-L power supply is essential for peak performance and efficiency. With options ranging from the ASUS ROG Loki to CORSAIR’s SF series, finding a reliable power source can be overwhelming. Each model has unique features designed to meet high demands while maintaining a compact footprint. Let’s explore the top contenders and what you should consider to make the best choice for your setup.
CORSAIR SF750 Fully Modular SFX Power Supply
The CORSAIR SF750 Fully Modular SFX Power Supply is an excellent choice for enthusiasts building power-dense small form factor PCs, as it delivers massive power in a compact design. With its 80 PLUS Platinum rating, you know you’re getting efficiency and reliability. This power supply complies with the ATX 3.1 standard and supports the latest PCIe Gen 5.1 platform, ensuring compatibility with cutting-edge components. The fully modular design and Type-5 Micro-Fit connectors let you manage cables easily. Plus, the 92mm PWM fan operates quietly, while the Japanese capacitors guarantee stable performance, making it a top-tier option for your build.
Best For: Enthusiasts building power-dense small form factor PCs seeking efficient and reliable power solutions.
Pros:
- 80 PLUS Platinum rated for high efficiency and low energy consumption.
- Fully modular design allows for easy cable management and customization.
- Compact SFX form-factor fits well in small cases while providing ample power.
Cons:
- Higher price point compared to standard power supplies.
- Limited wattage may not meet the demands of extremely high-end builds.
- Small fan size may impact cooling performance in very demanding scenarios.
CORSAIR SF850 Fully Modular SFX Power Supply
For those looking to build a powerful yet compact system, the CORSAIR SF850 Fully Modular SFX Power Supply stands out with its 850 watts of output and 80 Plus Platinum efficiency. This fully modular unit features a sleek black design and comes with an SFX-to-ATX bracket, ensuring compatibility with various cases. Its 92mm PWM fan operates quietly, with a Zero RPM Mode for low-load situations. You’ll appreciate the flexible cabling, making installation tidy. Plus, with 105°C rated Japanese capacitors, reliability is guaranteed. Backed by a 7-year warranty, it’s a proven choice for any small form factor build.
Best For: Those seeking a compact and efficient power supply for high-performance small form factor PC builds.
Pros:
- Fully modular design allows for easy cable management and customization.
- High efficiency with an 80 PLUS Platinum rating, ensuring lower energy costs.
- Quiet operation with a low-noise 92mm PWM fan and Zero RPM Mode for minimal noise during low loads.
Cons:
- May be overkill for lower power builds, making it a more expensive option for basic systems.
- Limited compatibility with non-SFX cases unless using the included SFX-to-ATX bracket.
- Smaller form factor may lead to higher heat concentration in tightly packed builds compared to larger power supplies.
Lian Li SP750 V2 Gold 750 Watt SFX Power Supply
Looking for a power supply that fits seamlessly into compact builds? The Lian Li SP750 V2 Gold 750 Watt SFX Power Supply is an excellent choice. With its fully modular design, you can connect only the cables you need, reducing clutter. This 80+ Gold certified PSU offers reliable efficiency and supports PCIe Gen 5.0, making it perfect for high-performance graphics cards. A low-noise 92mm fan guarantees quiet operation, while a 10-year warranty provides peace of mind. Weighing just 1.5 kg and measuring 4.92 x 2.5 x 3.94 inches, it’s a compact powerhouse for your next build.
Best For: Gamers and PC builders looking for a compact and efficient power supply for high-performance systems.
Pros:
- Fully modular design allows for customized cable management, reducing clutter in compact builds.
- 80+ Gold efficiency ensures reliable power delivery while minimizing energy waste.
- Quiet operation with a low-noise 92mm fan promotes a more pleasant computing environment.
Cons:
- Limited to SFX form factor, which may not fit in larger cases designed for ATX power supplies.
- The 750 Watt output may not be sufficient for extremely high-end builds with multiple GPUs.
- Higher price point compared to non-modular or lower efficiency power supplies.
Cooler Master V850 SFX Gold 850W Fully Modular Power Supply
Gamers and creators seeking an efficient and compact power solution will find the Cooler Master V850 SFX Gold 850W Fully Modular Power Supply to be an ideal choice. This 80+ Gold Certified PSU is designed specifically for small form factor builds, providing a mighty ITX design in a sleek black finish. With a 10-year warranty, you can trust its durability. The 90° 12VHPWR PCIe 5.1 connector enhances electrical safety, while customized cable lengths reduce clutter. Plus, enjoy low noise operation and efficient cooling, making it perfect for a quieter gaming or working environment. Choose the Cooler Master for reliable power!
Best For: Gamers and creators looking for an efficient, compact power supply for small form factor ITX builds.
Pros:
- Fully modular design allows for efficient cable management and reduced clutter.
- 80+ Gold certification ensures high energy efficiency and reliability.
- 10-year warranty provides peace of mind regarding durability and performance.
Cons:
- Limited to small form factor builds, which may not suit all users.
- Higher initial cost compared to non-modular power supplies.
- Compact design may lead to tighter space constraints in certain cases.
ASUS ROG Loki SFX-L 1200W Titanium Power Supply
The ASUS ROG Loki SFX-L 1200W Titanium Power Supply stands out as an excellent choice for compact PC builds, thanks to its fully modular design and 80+ Titanium efficiency rating. With 1200 watts of output, it guarantees your system remains powered during intense tasks. Its dual ball bearing fan and ROG heatsinks keep temperatures low while maintaining near-silent operation. Plus, it’s ATX 3.0 compliant and ready for next-gen graphics cards. The customizable 120mm PWM ARGB fan adds aesthetic appeal, syncing perfectly with your gaming setup. Backed by a 10-year warranty, this PSU represents reliability and performance in a compact form factor.
Best For: Gamers and PC builders seeking a reliable, high-efficiency power supply for compact systems that require powerful performance and customizable aesthetics.
Pros:
- Fully modular design allows for easy cable management and customization.
- Exceptional 80+ Titanium efficiency rating ensures lower energy consumption and heat output.
- Silent operation with 0dB technology during light gaming enhances user experience.
Cons:
- Higher price point compared to standard power supplies may not suit budget builds.
- Limited availability due to high demand and competitive market.
- Compact size may limit airflow in certain cases if not properly installed.
Cooler Master V750 SFX Gold 750W Fully Modular Power Supply
For those building compact, high-performance systems, the Cooler Master V750 SFX Gold 750W Fully Modular Power Supply stands out as an exceptional choice. With 80+ Gold certification, it guarantees up to 90% efficiency, delivering ample power to your GPU via the ATX 3.1 connector. Its mini-ITX design offers compatibility for small builds, while the 90° PCIe 5.1 connector enhances durability. The fully modular cables reduce clutter and improve airflow, keeping your setup neat. Plus, the fluid dynamic bearing fan provides efficient cooling. With a 10-year warranty, it’s a reliable investment for your next compact powerhouse build.
Best For: Compact system builders looking for a high-performance, efficient power supply with excellent durability and cooling features.
Pros:
- 80+ Gold Certification ensures high efficiency, delivering up to 90% power transfer.
- Fully Modular Design reduces clutter and enhances airflow for improved efficiency.
- 10-Year Warranty provides long-term reliability and peace of mind.
Cons:
- Limited to SFX Form Factor may not fit larger cases or traditional ATX builds.
- Customized Short Cables may require extended cables for certain setups, potentially increasing costs.
- Higher Price Point compared to non-modular or lower-rated power supplies.
ASUS ROG Loki SFX-L 750W Platinum Power Supply
Designed specifically for small form factor gaming PCs, the ASUS ROG Loki SFX-L 750W Platinum Power Supply offers a fully modular setup that enhances cable management and airflow. With 80 PLUS Platinum certification, it boasts efficiency up to 92%, reducing heat and noise effectively. Its compact dimensions (4.9 x 4.9 x 2.5 inches) make it ideal for tight spaces. The 120mm PWM ARGB fan utilizes axial-tech cooling technology for superior thermal management while keeping noise levels below 25 dB. Plus, the Aura Sync compatibility allows for customizable RGB lighting, making it a stylish and powerful choice for your build.
Best For: Gamers looking for a high-efficiency, compact power supply to fit in small form factor builds.
Pros:
- Fully modular design enhances cable management and airflow.
- High efficiency with 80 PLUS Platinum certification, minimizing heat and noise.
- Customizable RGB lighting with Aura Sync compatibility for a stylish setup.
Cons:
- Limited to 750W output, which may not support very high-end systems.
- Higher price point compared to standard power supplies.
- The compact size may limit compatibility with some larger cooling solutions.
Silverstone Technology SX500W SFX-L Power Supply
Looking for a compact yet powerful power supply for your small form factor build? The Silverstone Technology SX500W SFX-L Power Supply delivers a solid 500 Watts of power with an impressive 80 PLUS Gold efficiency rating. Its 100% modular cables and flexible flat arrays make cable management a breeze. Featuring a quiet 120mm fan with semi-fanless operation, it guarantees peak cooling without excess noise. At just 100mm deep, this PSU fits perfectly in your SFX-L case. Plus, it comes with a 3-year warranty, giving you peace of mind. Upgrade your build with this reliable and efficient powerhouse!
Best For: Those seeking a compact and efficient power supply for small form factor builds that require reliable performance and quiet operation.
Pros:
- 80 PLUS Gold certification ensures high efficiency, reducing energy costs.
- 100% modular cables allow for easy installation and improved cable management.
- Quiet 120mm fan with semi-fanless operation minimizes noise while maintaining optimal cooling.
Cons:
- Limited to 500 Watts, which may not be sufficient for high-performance builds.
- SFX-L form factor may not be compatible with all cases, limiting options for some users.
- Average customer rating of 4.3 suggests potential consistency issues in quality or performance.
be quiet! SFX L Quiet Performance Power Supply (600W, 80 Plus Gold)
SFX L Quiet Performance Power Supply (600W, 80 Plus Gold) is an excellent choice for your compact build. With a power efficiency of up to 92%, it guarantees stable performance while keeping your system cool with its temperature-controlled 120mm fan. You’ll appreciate the modular cables that provide flexibility, allowing you to manage your space efficiently. Supporting multi-GPU setups with four PCIe connectors, it’s perfect for those looking to push their builds further. Weighing just 1.16 kilograms and compatible with larger cases via an adapter bracket, it’s a reliable powerhouse for any small form factor system.
Best For: Those looking for a high-efficiency power supply for compact builds or multi-GPU setups.
Pros:
- High Efficiency: 80 Plus Gold certification ensures up to 92% efficiency, reducing power waste.
- Modular Design: Modular cables allow for better cable management and flexibility in system builds.
- Cooling Performance: Equipped with a temperature-controlled 120mm fan for quiet operation and effective cooling.
Cons:
- Limited Wattage: 600W may not be sufficient for very high-end components or extensive multi-GPU configurations.
- Size Compatibility: Requires an SFX-to-ATX adapter for larger cases, which may add to the setup complexity.
- Weight: At 1.16 kilograms, it may feel heavier compared to other compact power supplies.
ASUS ROG Loki SFX-L 1000W Platinum Power Supply
For gamers seeking a powerful yet compact solution, the ASUS ROG Loki SFX-L 1000W Platinum Power Supply stands out with its impressive 1000 watts of output and ATX 3.0 compatibility. This fully modular PSU features 80 PLUS Platinum certification, boasting up to 92% efficiency for lower heat and enhanced reliability. With a 120mm PWM ARGB fan, it provides ideal cooling while minimizing noise. The 16-pin PCIe cable supports next-gen graphics cards, delivering up to 600W. Its dimensions of 4.9 x 4.9 x 2.5 inches make it perfect for small builds, and the 10-year warranty guarantees long-term peace of mind.
Best For: Gamers looking for a compact and high-efficiency power supply for small form factor builds.
Pros:
- Fully modular design for easy cable management and customization.
- 80 PLUS Platinum certification ensures high efficiency and lower operational costs.
- 10-year warranty provides assurance of reliability and long-term use.
Cons:
- The compact size may limit cooling options in extremely tight spaces.
- Higher price point compared to lower-rated power supplies.
- Limited to 1000W, which may not be sufficient for very high-end multi-GPU setups.
Factors to Consider When Choosing an Sfx L Psu for Small Form Factor
When choosing an SFX-L PSU for your small form factor build, you’ll want to take into account several key factors. Efficiency ratings, modular cable options, and compatibility with your case size are essential for peak performance. Additionally, think about your power output needs and the cooling solutions available to guarantee your setup runs smoothly.
Efficiency Ratings Importance
Efficiency ratings play an essential role in selecting an SFX-L PSU for your small form factor build. Ratings like 80 PLUS indicate how effectively the power supply converts AC power into usable DC power. A PSU with an 80 PLUS Platinum rating can achieve up to 94% efficiency at 50% load, which means less energy loss as heat. This not only lowers your electricity bills but also helps keep your system cooler, extending the lifespan of internal components. Higher efficiency models generate less heat, allowing fans to operate quietly or even remain off during low loads. In compact builds, where space and thermal management are vital, choosing a PSU with a higher efficiency rating is important for peak performance and reliability.
Modular Cable Benefits
Choosing the right cables is just as important as selecting an efficient PSU for your small form factor build. Fully modular cables let you connect only what’s necessary, reducing clutter and improving airflow in tight spaces. This modular design makes installation and upgrades a breeze, allowing you to swap or add cables without dealing with excess connections. The flexibility of these cables also helps you route them strategically, enhancing your build’s aesthetic while optimizing cooling performance. Plus, high-quality, fully modular supplies often come with custom cable lengths tailored for compact builds, minimizing excess and improving organization. By limiting unused connections, you can boost electrical efficiency and reduce potential points of failure, making your small form factor setup even more reliable.
Size and Compatibility
Size and compatibility are essential factors to nail down when selecting an SFX-L PSU for your small form factor build. The SFX-L form factor typically measures 4.9 x 4.9 x 2.5 inches, making it ideal for compact cases. However, these power supplies can also fit standard ATX cases using an SFX-to-ATX bracket, enhancing their flexibility. Make certain the PSU has enough wattage output to support your components, especially if you’re using high-performance graphics cards. Additionally, consider the cable management options; fully modular designs let you connect only the cables you need, resulting in a cleaner build. Always prioritize compatibility with your case and components to guarantee a seamless installation and peak performance.
Cooling Solutions Available
When selecting an SFX-L PSU for your small form factor build, effective cooling solutions play an essential role in maintaining system stability and performance. Look for larger fans, like 120mm models, as they provide better airflow and operate more quietly than smaller options. Many SFX-L power supplies come with advanced features like Zero RPM modes, keeping fans off during low load to minimize noise. Additionally, high-quality bearings, such as fluid dynamic bearings, enhance durability and reduce operational noise. Consider modular designs for efficient cable management, which improves airflow and cooling. Finally, opt for units with high-efficiency ratings, like 80 PLUS Platinum or Gold, to lower heat generation and further support cooling in your compact setup.
Power Output Needs
Effective cooling solutions are just one part of building a reliable small form factor system. You need to assess the total wattage required by all your components, including the CPU, GPU, and any peripherals, to determine the necessary power output of your SFX-L PSU. Pay attention to the power supply’s efficiency rating; higher ratings like 80 PLUS Platinum or Gold guarantee better energy conversion and less heat generation. Make certain the PSU has enough PCIe power connectors for your graphics card, especially with high-performance GPUs requiring more power. Also, consider future upgrades—opting for a PSU with higher wattage can save you from needing a replacement. Finally, verify the PSU meets the transient power requirements during high-demand scenarios like gaming.
Warranty and Support
How can you assure peace of mind with your SFX-L PSU purchase? Start by checking the warranty duration. A longer warranty, like 10 years, often signals a manufacturer’s confidence in their product’s reliability. Look into the support options the manufacturer offers; responsive customer service can make handling warranty claims or product inquiries much easier. Also, assess the return policy from retailers or manufacturers to assure you can get refunds or exchanges if the PSU arrives defective or damaged. Don’t forget to review any specific warranty conditions, especially regarding RGB components, to avoid surprises. Finally, customer reviews can shed light on others’ experiences, helping you gauge the manufacturer’s reliability and support responsiveness.
Connector Types Required
Choosing the right connector types for your SFX-L PSU is essential for ensuring compatibility and performance in your small form factor build. Make sure your PSU has the necessary 16-pin PCIe cables to support high-performance graphics cards, as these require substantial power delivery. A fully modular design is ideal since it lets you connect only the cables you need, reducing clutter and improving airflow. Check the number of PCIe connectors, especially if you plan on a multi-GPU setup. Additionally, look for ATX 3.1 compatible connectors, which can deliver higher power to the GPU and meet the latest hardware standards. Finally, confirm that there are enough SATA and Molex connectors for all your additional components.
Noise Levels Consideration
When selecting an SFX-L PSU for your small form factor build, considering noise levels is essential for creating a pleasant computing environment. Look for power supplies with larger fans, like 120mm, as they typically run at lower RPMs, reducing noise while effectively cooling your components. Many modern units feature low-noise operation modes, such as Zero RPM technology, which keeps the fan off during light loads for minimal audible disturbance. Additionally, opt for models with fluid dynamic bearings, which greatly decrease operational noise compared to traditional sleeve bearings. Certifications like the Lambda Standard can also assure you that the PSU meets specific dB thresholds, ensuring a quieter setup overall. A thoughtful cooling design enhances airflow and further reduces fan speed needs, minimizing noise.
