As you plan your next gaming rig or PC build, choosing the right SFX L power supply is essential for peak performance. With advancements in technology, the options available in 2026 offer not just power but also efficiency and reliability. From the highly-rated ASUS ROG Loki to Cooler Master’s offerings, the choices are diverse. Let’s explore the top contenders that can elevate your setup and guarantee you power up with confidence.

ASUS ROG Loki SFX-L 850W Platinum Power Supply

If you’re building a compact gaming rig and need a powerful, reliable power supply, the ASUS ROG Loki SFX-L 850W Platinum is an excellent choice. This fully modular unit boasts an 80+ Platinum certification, ensuring up to 92% efficiency while keeping noise levels below 25 dB. With a 120mm PWM ARGB fan, it effectively manages heat, enhancing the lifespan of your components. Compatible with ATX 3.0 and PCIe 5.0, it meets high power demands for small form factor PCs. Plus, it comes with a generous 10-year warranty, giving you peace of mind with your gaming setup.

Best For: Compact gaming enthusiasts looking for a high-performance power supply with reliable efficiency and low noise levels.

Pros:

• Fully modular design allows for easy cable management and customization.
• 80+ Platinum certification ensures high efficiency, reducing electricity bills and heat output.
• Excellent cooling system with a 120mm PWM ARGB fan keeps noise levels below 25 dB.

Cons:

• Limited to SFX-L form factor, which may not fit in larger cases.
• The price point may be higher compared to non-modular or lower-rated power supplies.
• Weight of 4 pounds may be considered heavy for some compact builds.

Cooler Master V850 SFX Gold Modular Power Supply (850W)

The Cooler Master V850 SFX Gold Modular Power Supply (850W) stands out as an exceptional choice for gamers and PC builders seeking a compact yet powerful solution. With its 80 Plus Gold efficiency and ATX 3.1 compatibility, it delivers up to 600W to your GPU, ensuring peak performance. The 90° 12VHPWR PCIe 5.1 connector enhances durability, while the fully modular design keeps your build tidy. Enjoy reliable cooling from the 92mm Fluid Dynamic Bearing fan and high-quality components, including 100% Japanese capacitors. Plus, the impressive 10-year warranty gives you peace of mind for years to come.

Best For: Gamers and PC builders looking for a compact, high-performance power supply with excellent efficiency and durability.

Pros:

• 80 Plus Gold efficiency ensures optimal power usage and reduced energy costs.
• Fully modular design allows for easy cable management and improved airflow within the case.
• 10-year warranty provides long-term assurance of reliability and quality.

Cons:

• Compact size may limit compatibility with some larger components or cases.
• Price point may be higher compared to non-modular or lower-wattage options.
• Limited availability may make it harder to find in some regions.

CORSAIR SF850 Fully Modular ATX Power Supply

For those building compact yet powerful systems, the CORSAIR SF850 Fully Modular ATX Power Supply stands out with its 80 PLUS Platinum rating, ensuring high efficiency in a small form-factor. You’ll appreciate its ATX 3.0 compliance and PCIe 5.0 readiness, supporting the latest tech while resisting power spikes. The fully modular design features Type-5 Micro-Fit connectors, making cable management a breeze. Plus, the 92mm PWM cooling fan operates quietly, utilizing fluid dynamic bearing technology. With 105°C rated Japanese capacitors, you’re guaranteed stable power delivery and reliability, perfect for both small builds and larger systems. Power your setup with confidence!

Best For: Compact PC builders seeking high efficiency and advanced compatibility with the latest power standards.

Pros:

• 80 PLUS Platinum rating ensures superior energy efficiency, reducing electricity costs.
• Fully modular design allows for easy cable management, keeping small cases tidy and organized.
• High-quality components, including 105°C rated Japanese capacitors, provide reliable and stable power delivery.

Cons:

• Higher price point compared to non-modular or lower-rated power supplies.
• Limited wattage options may not suit ultra-high-performance builds requiring more power.
• Size constraints may not fit in all standard ATX cases, requiring careful planning during installation.

be quiet! SFX L Quiet Performance Power Supply 600W (BN639)

Looking for a power supply that delivers both quiet operation and robust performance? The be quiet! SFX L Quiet Performance Power Supply 600W (BN639) is an excellent choice. With its 80 Plus Gold certification, you can expect up to 92% efficiency, guaranteeing your system runs smoothly. Its 600W output supports multi-GPU setups thanks to four PCIe connectors. The modular cables offer build flexibility, and the included SFX-to-ATX adapter bracket allows compatibility with larger cases. Plus, the temperature-controlled 120mm fan ensures silent cooling. Backed by a 3-year warranty, this power supply gives you confidence in your build.

Best For: Gamers and PC builders seeking a high-efficiency, quiet power supply with multi-GPU support.

Pros:

• 80 Plus Gold certification ensures high efficiency (up to 92%).
• Modular cables provide flexibility for cable management and system builds.
• Temperature-controlled 120mm fan delivers silent cooling performance.

Cons:

• Limited to 600W, which may not be sufficient for extremely high-end systems.
• The SFX form factor may require an adapter for compatibility with larger cases.
• Higher price point compared to basic power supply options.

ASUS ROG Loki SFX-L 750W Platinum Power Supply

Engineered for gamers and PC enthusiasts who demand top-tier performance, the ASUS ROG Loki SFX-L 750W Platinum Power Supply stands out with its impressive 80 PLUS Platinum certification, ensuring up to 92% efficiency. Its fully modular design simplifies cable management, while the Lambda A certification keeps noise levels below 25 dB. With ROG heatsinks and axial-tech cooling featuring a 120mm PWM fan, it effectively manages thermal performance. Plus, the bundled 16-pin PCIe cable supports PCIe Gen 5.0 graphics cards, delivering up to 600W. Enjoy peace of mind with a 10-year warranty, ensuring longevity and reliability for your build.

Best For: Gamers and PC enthusiasts seeking high-performance, efficient power supply solutions for their builds.

Pros:

• 80 PLUS Platinum certified for up to 92% efficiency, reducing energy waste.
• Fully modular design allows for easier cable management and improved airflow.
• 10-year warranty provides assurance of quality and longevity.

Cons:

• Premium price point compared to non-platinum power supplies.
• Limited availability of certain features may not appeal to budget-conscious users.
• SFX-L form factor may not fit in all cases, requiring careful compatibility checks.

CORSAIR SF750 Fully Modular ATX Power Supply

Compact yet powerful, the CORSAIR SF750 Fully Modular ATX Power Supply stands out as the perfect choice for gamers and PC builders who crave high performance in small-form-factor systems. With its 80 PLUS Platinum rating and ATX 3.1 compliance, you can trust it to deliver reliable power. Its compact SFX form factor fits snugly in tight spaces, while the included SFX-to-ATX bracket enhances compatibility. The fully modular design guarantees tidy cable management, and the 92mm PWM cooling fan operates quietly, thanks to the fluid dynamic bearing. Equipped with high-quality Japanese capacitors, this power supply assures unwavering reliability for your build.

Best For: Gamers and PC builders seeking high-performance power solutions for compact, small-form-factor systems.

Pros:

• Fully modular design allows for flexible cabling and tidy cable management.
• 80 PLUS Platinum rating ensures energy efficiency and reliable power delivery.
• Compact SFX form factor fits easily into tight spaces, with an included SFX-to-ATX bracket for larger cases.

Cons:

• Limited to small form factors, which may not suit larger builds.
• Higher price point compared to non-platinum rated power supplies.
• The compact size may lead to higher temperatures if airflow is not adequate.

Thermaltake Toughpower SFX 850W Power Supply (PS-STP-0850FNFAPU-1)

For gamers and PC enthusiasts seeking top-tier performance in a compact form factor, the Thermaltake Toughpower SFX 850W Power Supply (PS-STP-0850FNFAPU-1) stands out with its 80Plus Platinum certification. Delivering 850W of power, it’s PCIe Gen 5.1 ready and fully compatible with ATX 3.1 standards. Its compact, fully modular design features low-profile cables, making installation a breeze. Cooling’s efficient thanks to a 90mm FDB fan, while low ripple noise and strict voltage regulation guarantee stable performance. Plus, with a 7-year warranty, you can trust its durability for your high-performance builds.

Best For: Gamers and PC enthusiasts looking for a high-performance, compact power supply that offers exceptional efficiency and reliability.

Pros:

• 80Plus Platinum certified, ensuring high energy efficiency and lower electricity costs.
• Compact, fully modular design with low-profile cables for easy installation and improved airflow.
• 7-year warranty providing peace of mind and assurance of product durability.

Cons:

• Higher price point compared to non-modular or lower-rated power supplies.
• Limited wattage options as it only offers an 850W model, which may not be sufficient for extreme builds.
• Noise from the 90mm fan may be noticeable under heavy load conditions.

ASUS ROG Loki SFX-L 1000W Platinum Power Supply

Looking for a power supply that combines high efficiency with exceptional cooling technology? The ASUS ROG Loki SFX-L 1000W Platinum Power Supply is your perfect match. With its fully modular design and 80 PLUS Platinum certification, you’ll enjoy up to 92% efficiency, reducing heat and noise. ROG heatsinks keep critical components cool, extending their lifespan. Plus, the 120mm PWM ARGB fan offers optimized thermals for quiet operation. It’s ATX 3.0 compliant and includes a 16-pin PCIe cable, delivering up to 600W to your Gen 5.0 graphics card. Don’t forget the Aura Sync compatibility for a stunning lighting setup!

Best For: Gamers and PC enthusiasts seeking a high-efficiency power supply with excellent cooling and modularity for their advanced setups.

Pros:

• Fully modular design allows for easy cable management and customization.
• High efficiency with 80 PLUS Platinum certification, ensuring low heat and noise levels.
• Equipped with a 16-pin PCIe cable, capable of delivering up to 600W for next-gen graphics cards.

Cons:

• SFX-L form factor may not be compatible with all cases.
• Premium price point compared to non-platinum power supplies.
• Limited availability of compatible accessories for full Aura Sync integration.

Cooler Master V750 SFX Gold Modular Power Supply (750W, ATX 3.1)

The Cooler Master V750 SFX Gold Modular Power Supply (750W, ATX 3.1) stands out as an exceptional choice for gamers and PC builders seeking an efficient and powerful solution for their mini-ITX setups. With 80+ Gold efficiency, it offers 90% power transfer, while the fully modular design reduces clutter and enhances airflow. This power supply supports the latest GPUs, including Nvidia RTX 5070 Ti and AMD RX 9070 XT. Weighing only 3.13 pounds, it fits snugly in tight spaces. Plus, the 10-year warranty assures you of its durability, making it a reliable option for your next build.

Best For: Gamers and PC builders looking for an efficient, powerful, and compact power supply for mini-ITX setups.

Pros:

• Fully modular design enhances airflow and reduces cable clutter.
• 80+ Gold efficiency ensures up to 90% effective power transfer.
• Lightweight and compact dimensions make it ideal for small form factor builds.

Cons:

• Limited to a maximum of 750W, which may not suffice for high-end multi-GPU setups.
• Compatibility may require additional brackets for larger cases.
• The 92mm fan may not be sufficient for cooling in extremely high-performance scenarios.

Lian Li SP V2 750 Watt SFX Power Supply

Compact yet powerful, the Lian Li SP V2 750 Watt SFX Power Supply is a top choice for gamers and builders seeking high-performance components in tight spaces. With a fully modular design, you can customize cabling to fit your unique build. Its 80+ Gold efficiency rating guarantees peak power use. Plus, it’s ATX 3.1 certified and supports PCIe Gen 5.0, making it perfect for modern graphics cards. The 92mm Fluid Dynamic Bearing fan keeps noise low while providing excellent cooling. Backed by a 10-year warranty, this power supply promises reliability and longevity for all your demanding peripherals.

Best For: Gamers and PC builders looking for a high-performance, compact power supply that supports modern components.

Pros:

• Fully modular design allows for customizable cabling, reducing clutter and improving airflow.
• 80+ Gold efficiency rating ensures optimal power usage and lower electricity bills.
• 10-year warranty provides peace of mind and assurance of long-term reliability.

Cons:

• SFX form factor may limit compatibility with some larger cases.
• Higher initial cost compared to non-modular power supplies.
• Limited wattage may not suffice for extreme multi-GPU setups.

Factors to Consider When Choosing an Sfx L Power Supply

When choosing an SFX L power supply, you’ll want to take into account several key factors to guarantee it meets your needs. Think about the power output capacity, efficiency rating standards, and cooling system design, as these will impact your system’s performance and longevity. Additionally, modular cable management and compatibility with your components play vital roles in building a neat and functional setup.

Power Output Capacity

Choosing the right power output capacity for your SFX-L power supply is vital, especially if you’re planning to build or upgrade a high-performance system. SFX-L power supplies typically range from 600W to 1000W, catering to various needs. If you’re using power-hungry components like high-end graphics cards or setting up a multi-GPU configuration, opt for capacities of 850W or 1000W. This wattage rating is essential for delivering stable power to all connected components, ensuring system reliability. Don’t forget to take into account future upgrades; selecting a power supply with a capacity that exceeds your current requirements can enhance efficiency and longevity. It also reduces stress on the PSU, giving you peace of mind as you expand your setup.

Efficiency Rating Standards

Understanding efficiency rating standards is essential for selecting the right SFX-L power supply, as they directly impact your system’s performance and energy consumption. The 80 PLUS certification system indicates how effectively a power supply converts wall outlet power into usable energy for your components. For instance, an 80 PLUS Platinum-rated unit can achieve up to 92% efficiency at typical loads, minimizing wasted energy and heat. This not only leads to potential energy savings but also enhances the longevity of your components. A higher efficiency rating often means better build quality and materials, such as premium capacitors. By choosing a power supply with a higher efficiency rating, you can lower your electricity bills while ensuring stable power delivery for your system.

Cooling System Design

A robust cooling system is vital for guaranteeing your SFX-L power supply operates efficiently and reliably. Look for models that feature high-quality fans, like 120mm PWM or Fluid Dynamic Bearing fans, which keep noise levels below 25 dB while effectively managing thermal output. Effective cooling designs utilize axial-tech technology to enhance airflow, reducing temperatures and prolonging component lifespan. Advanced thermal management features, such as ROG heatsinks or integrated transformers, are also important for dissipating heat under load. Since space is limited in compact builds, verify the cooling system is optimized for airflow while avoiding clutter from modular cables. This careful selection will help maintain a stable and quiet computing environment, enhancing your overall experience.

Modular Cable Management

Efficient cooling systems set the stage for ideal performance, but the importance of modular cable management can’t be overlooked when selecting an SFX-L power supply. Fully modular designs let you connect only the cables you need, cutting down on clutter and improving airflow in your case. You can customize cable lengths, eliminating excess that often plagues small form factor builds. This flexibility enhances overall cable management, making it easier for you to maintain and troubleshoot your system. Additionally, higher quality modular connectors provide better durability and reliability, boosting your power supply’s performance. Whether you’re building a compact rig or a larger setup, modular power supplies offer the versatility you need for a clean and efficient build.

Compatibility With Components

When choosing an SFX-L power supply, compatibility with your components is essential to guarantee peak performance and reliability. First, confirm it’s ATX 3.0 compatible to meet the power demands of modern parts and support the latest GPU standards, like PCIe 5.0. Next, check the power output rating; high-performance builds typically need between 600W and 850W, especially for high-end graphics cards. Also, verify the number and type of connectors, including PCIe cables, to ensure they fit your GPU and other components. Don’t forget to take into account the physical dimensions; SFX-L units are compact, but they must fit your case. Finally, look for modular features to enhance cable management and airflow, reducing clutter in your build.

Warranty and Reliability

Choosing an SFX-L power supply involves more than just compatibility; warranty and reliability play significant roles in your decision. A longer warranty, like 10 years, indicates the manufacturer’s confidence in their product’s durability. Look for power supplies using high-quality components, such as 105°C rated Japanese capacitors, for enhanced stability. Certifications like 80 PLUS Platinum or Gold reflect not only energy efficiency but also a commitment to quality and longevity. Additionally, reliable thermal management features, including advanced cooling systems and low noise levels, help prevent overheating and extend the lifespan of your power supply. Finally, a well-structured return policy provides peace of mind, allowing you to replace defective units if necessary. Prioritizing these factors guarantees you make a wise investment.