be quiet! SFX L 600W 80 Plus Gold Power Supply

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87%
94%
Quiet Operation Under Load
88%
Modular Cable Management
91%
Power Efficiency
90%
Size and Form Factor
89%
Compatibility with Small Builds
85%
Cooling Performance
92%
Build Quality
80%
Warranty and Customer Support
87%
Price-to-Performance Ratio
90%
Noise Levels at Idle
84%
Ease of Installation
72%
Limited Power for High-End Systems
More

Overview

The be quiet! SFX L 600W 80 Plus Gold Power Supply is designed for users seeking a compact yet powerful solution for their small form-factor PCs. With a 600W output and a highly efficient 80 Plus Gold certification, this power supply ensures optimal energy use while minimizing heat. The modular design allows for easy cable management, making it a great fit for compact systems where space is tight. Additionally, the included SFX-to-ATX adapter adds flexibility, allowing users to use it in larger cases if needed. Overall, this power supply strikes a balance between size, power, and efficiency.

Features & Benefits

One of the standout features of this power supply is its 80 Plus Gold certification, ensuring up to 92% efficiency. This means less wasted power and reduced heat, which is crucial for maintaining system stability, especially in compact builds. The modular cables allow for custom configurations, helping to reduce cable clutter and improve airflow. Its quiet 120mm fan operates with temperature-controlled adjustments, keeping noise levels low even under heavy loads. Additionally, the stable power conversion provided by LLC, SR, and DC-to-DC ensures consistent performance for all your PC components.

Best For

This power supply is ideal for users building compact PCs, especially those using mini ITX cases. Its small form factor and modular design make it a top choice for enthusiasts or gamers looking to build a clean, efficient, and low-noise system. If you need a power supply that offers both performance and quiet operation, this is a great option. It's also perfect for those who value efficiency, as the 80 Plus Gold certification ensures that your system won't waste excess power. The included adapter also provides flexibility for larger builds, making it versatile.

User Feedback

Users generally praise the quiet operation of this power supply, even during demanding tasks. Many appreciate the modular cables, which make managing the system's internals much easier and reduce the clutter in tight spaces. However, some users mention that the 600W capacity might not be enough for high-end systems with multiple GPUs or other power-hungry components. While the power supply fits well in compact cases, it's clear that users with more demanding setups might need a higher-wattage option. Overall, it's highly regarded for its reliability and performance in smaller builds.

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Pros

  • Compact size makes it perfect for mini ITX and small form-factor builds.
  • 80 Plus Gold certification ensures up to 92% energy efficiency, reducing power consumption.
  • Modular cables help keep builds clean and improve airflow by reducing clutter.
  • Temperature-controlled fan runs quietly, even under load, making it ideal for quiet PC setups.
  • SFX-to-ATX adapter included, providing flexibility for different case sizes and configurations.
  • Solid reliability with stable power delivery, even for mid-range gaming setups and workstations.

Cons

  • Limited to 600W, which may not be sufficient for high-performance or multi-GPU builds.
  • Some users report it’s not the best fit for cases with very tight space restrictions.
  • While quiet, the fan may still produce some noise in ultra-quiet environments.
  • Not ideal for users seeking a higher wattage power supply for demanding hardware setups.
  • A few reviewers mention that the 600W capacity can be limiting for future upgrades.
  • The compact size and design might not provide enough cooling for extreme overclocking.

Ratings

After analyzing verified user feedback from multiple platforms and languages worldwide, we gathered insights on the be quiet! SFX L 600W 80 Plus Gold Power Supply. The ratings reflect authentic, high-quality reviews, with spam, bot-generated, or incentivized feedback filtered out. Both strengths and pain points are represented in the final scores, providing a balanced view from a diverse group of users across different regions and languages.

Quiet Operation Under Load
94%
Many users appreciate the quiet operation of this power supply, even when under heavy load. The temperature-controlled fan ensures that noise levels stay low, making it an excellent choice for quiet PC builds, especially for gaming or media setups that require less noise disruption.
Some users mention that the quiet fan does not completely eliminate noise at full load, especially in more demanding applications. Additionally, those with sensitive hearing may still notice some hum or fan noise, particularly in smaller enclosures with limited airflow.
Modular Cable Management
88%
The modular design of this power supply is highly praised for simplifying cable management. Buyers can easily customize the cable setup for a cleaner build with fewer tangled wires, improving airflow and making the case look more organized.
A few reviewers feel that the modular cables could be more flexible, as some connectors are still somewhat bulky. Additionally, users who are not accustomed to modular power supplies might find the cable configuration slightly overwhelming during installation.
Power Efficiency
91%
The 80 Plus Gold certification is a major plus, with users reporting noticeable improvements in efficiency and lower energy consumption. Many appreciate the reduced heat output and the longer lifespan of their system components, making it a worthwhile investment for eco-conscious buyers.
A small number of users noted that despite the 80 Plus Gold rating, the power supply doesn't feel as efficient during extended usage, especially in higher-demand systems. While the unit performs well for most builds, those with extreme power requirements might notice some performance dips.
Size and Form Factor
90%
The compact form factor makes this power supply ideal for small PC builds, especially for mini ITX cases. Users love that it fits perfectly in tight spaces without sacrificing performance, offering a lot of power in a very small package.
Some users mention that while the size is great for compact builds, the 600W capacity may be limiting for power-hungry systems. This power supply is better suited for mid-tier setups, and users with high-end GPUs or multiple hard drives might want a higher wattage option.
Compatibility with Small Builds
89%
This model is often recommended by users who are building small form-factor PCs. The adapter bracket for converting SFX to ATX allows for wider case compatibility, making it versatile for various mini ITX and micro ATX cases.
A few buyers mention that while the SFX-to-ATX adapter is a great feature, it may still not work with every ultra-compact case. Additionally, some people feel that the power supply could have been slightly more compact to better fit in extremely tight cases.
Cooling Performance
85%
Users are generally satisfied with the cooling performance provided by the 120mm fan, which runs quietly and efficiently. The temperature-controlled operation is especially beneficial for maintaining stable performance during extended usage or gaming sessions.
Some users report that the fan could be slightly more efficient at cooling in high-demand systems. While it's generally quiet, users with intensive setups have expressed concerns about temperatures rising under heavy load, though these are still within safe operational limits.
Build Quality
92%
The build quality of this power supply is highly praised, with users highlighting its solid construction and attention to detail. The power supply feels sturdy, and the cables are well-made, offering longevity and reliability in demanding builds.
A few users mentioned that the power supply is somewhat heavier than expected, which could be an issue for those building lightweight or portable PCs. However, most felt that the added weight contributes to its overall durability and performance.
Warranty and Customer Support
80%
20%
The included 3-year warranty is appreciated by many, giving users peace of mind regarding potential issues with their power supply. Additionally, those who have reached out to customer support have generally had positive experiences with quick and helpful responses.
Some users have reported mixed experiences with customer support, especially in cases where technical issues arose after the warranty period. A few customers feel that the support could be more proactive in resolving issues in a timely manner.
Price-to-Performance Ratio
87%
Many users consider this power supply to offer excellent value for money. Given its efficiency, modular design, and reliable performance, buyers feel that they are getting a high-quality product without paying a premium price, making it a great option for budget-conscious builders.
Some users feel that while it offers solid value, the price may still be a bit high compared to other similar models on the market, especially for those who do not require the full 600W capacity. Buyers on a strict budget might find more affordable alternatives with similar features.
Noise Levels at Idle
90%
At idle, this power supply is nearly silent, which is a significant plus for users who prioritize low noise in their PC setups. It allows for a quiet, peaceful environment, especially for those working in noise-sensitive areas like home offices.
While the noise levels are minimal at idle, some users mentioned that the fan noise becomes more noticeable during peak usage or gaming sessions. In very quiet environments, even slight hums or whirring sounds could be detectable, though these are generally not bothersome to most users.
Ease of Installation
84%
The installation process is generally straightforward, and the modular cables make it easy to customize the build. Users appreciate that it doesn't require any complicated setup, making it a good choice for both beginners and experienced PC builders.
Some users report that the cable management process can be a little tricky if the case space is tight, requiring careful planning to avoid overcrowding. Beginners may also find it challenging to determine the correct cable configuration without prior experience.
Limited Power for High-End Systems
72%
28%
For most mid-range builds, the 600W power supply is more than sufficient, offering reliable and efficient power for typical gaming setups or productivity systems. Many users find it a great option for compact builds where space and power consumption need to be balanced.
Some users noted that the 600W limit might not be enough for users with high-end graphics cards or demanding multi-GPU systems. Those planning to build power-hungry setups might find this power supply lacking in capacity, limiting upgrade options down the road.

Suitable for:

The be quiet! SFX L 600W 80 Plus Gold Power Supply is ideal for compact or small form-factor PC builds where space is at a premium. Enthusiasts and gamers looking for a reliable and efficient power supply for their mini ITX systems will benefit from its 80 Plus Gold certification, ensuring energy efficiency and reduced heat. Additionally, users who value quiet operation, such as those building media centers or workstations, will appreciate its temperature-controlled fan that runs silently under load. The modular cable design also appeals to builders seeking an organized, clutter-free setup with customizable configurations.

Not suitable for:

While this power supply excels in small form-factor builds, it may not be the best choice for users with high-performance, power-hungry setups. Those planning to use multiple GPUs or overclocked systems may find the 600W capacity limiting. Additionally, if you're building a system that requires the highest levels of cooling and airflow, this power supply’s fan may not provide the necessary cooling under extreme loads. Some users also mentioned that the fan noise, though generally quiet, may still be noticeable in ultra-quiet environments, making it less suitable for those with extremely sensitive noise preferences.

Specifications

  • Output Wattage: Provides 600W of power, suitable for mid-range systems and compact builds.
  • Form Factor: SFX form factor designed for small and mini ITX PC cases.
  • Efficiency: 80 Plus Gold certified, ensuring up to 92% energy efficiency.
  • Cooling Method: Air cooling with a 120mm temperature-controlled fan for quiet operation.
  • Modular Cables: Modular cable design allows for a cleaner setup with reduced cable clutter.
  • SFX-to-ATX Adapter: Includes an adapter bracket for compatibility with larger ATX cases.
  • PCIe Connectors: Equipped with four PCIe connectors to support modern graphics cards.
  • Dimensions: Compact size measuring 5.12 x 4.92 x 2.52 inches, ideal for small builds.
  • Weight: Weighs 2.55 pounds, making it lightweight for a high-power unit.
  • Fan Type: 120mm fan with temperature-controlled operation to minimize noise under load.
  • Warranty: Comes with a 3-year warranty for peace of mind and reliable support.
  • Voltage Regulation: Stable voltage regulation with LLC, SR, and DC-to-DC power conversion.
  • Noise Level: Engineered for quiet operation, with minimal noise even under heavy load.
  • Compatibility: Compatible with a variety of mini ITX and small form-factor cases.
  • Connectors: Includes 24-pin ATX, 8-pin CPU, and 4x PCIe connectors for broad compatibility.
  • Protection Features: Equipped with over-voltage, under-voltage, short-circuit, and over-power protections.
  • Power Factor: Features a high power factor for improved efficiency and reduced energy loss.
  • Cable Length: Cable lengths are designed to suit compact and mini ITX builds without excess slack.
  • Input Voltage: Supports a wide input voltage range of 100V to 240V for global compatibility.

FAQ

This power supply is specifically designed for mini ITX and small form-factor builds. Its compact size, combined with 80 Plus Gold efficiency, ensures reliable power delivery while minimizing heat output, making it perfect for space-limited builds where cooling and efficiency are key.

The 600W output is suitable for mid-range gaming PCs and systems with a single GPU. However, for more demanding setups, such as those with multiple GPUs or high-end components, you may need a higher wattage PSU to ensure stable power delivery.

The power supply features a temperature-controlled 120mm fan that is designed to run quietly, even under load. Many users have praised its low noise levels, making it a great choice for quiet PC builds where noise minimization is important.

The modular cable design allows you to use only the cables you need, helping to reduce clutter and improve airflow inside your PC case. This is especially useful in small form-factor builds, where space and airflow are limited.

Yes, the SFX L 600W PSU comes with an SFX-to-ATX adapter bracket, allowing it to be installed in ATX-sized cases. This provides flexibility for users who may want to upgrade to a larger case without needing to replace the power supply.

The be quiet! SFX L 600W PSU comes with a 3-year warranty, ensuring reliable support for any manufacturing defects or issues that arise during normal use.

When installing this power supply in a compact PC case, it's important to carefully manage the cables to avoid obstruction of airflow. Using only the necessary modular cables and securing them properly will help ensure that the system remains cool and performs optimally.

Yes, the 600W capacity may limit the ability to upgrade to more power-hungry components, especially if you plan to add more GPUs or higher wattage components in the future. For more powerful systems, consider a higher-wattage PSU.

Yes, the 80 Plus Gold certification indicates that this power supply achieves up to 92% efficiency, which means less wasted energy, lower heat production, and ultimately lower electricity costs. It's especially beneficial for users who want a more eco-friendly and cost-effective power solution.

If the PSU doesn't fit your case due to size restrictions, check that you're using the included SFX-to-ATX adapter. If the PSU still doesn't fit, you may need a different case or consider a more compact PSU, depending on your build's space limitations.