SilverStone Technology SX500-G 500W SFX PSU

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89%
94%
Efficiency
90%
Noise Level
88%
Build Quality
86%
Cable Management
91%
Reliability
85%
Installation Ease
92%
Size and Form Factor
89%
Value for Money
87%
Thermal Performance
90%
Voltage Stability
88%
Long-Term Durability
93%
Compatibility
More

Overview

The SilverStone Technology SX500-G 500W SFX PSU is designed to deliver reliable power in a compact form factor. This 500W power supply is perfect for smaller desktop builds, offering an efficient 80 Plus Gold certification. The fully modular cable design allows users to eliminate clutter and optimize airflow. Ideal for those with space constraints, this PSU combines high performance with sleek aesthetics. It ensures your system runs smoothly with less energy waste and minimal heat generation. Whether building a custom PC or upgrading an existing one, this power supply is a great choice for reliable, efficient power delivery.

Features & Benefits

One of the standout features of this SilverStone PSU is its 80 Plus Gold efficiency, which minimizes energy waste and lowers operating costs. It also runs remarkably quiet, thanks to its 92mm fan that maintains noise levels as low as 18 dBA. With Japanese capacitors, the unit is built for long-term durability and stability, ensuring consistent performance even under heavy loads. The strict voltage regulation and low ripple make it an ideal choice for users seeking reliable power delivery without fluctuations. Overall, the SX500-G offers a strong blend of power efficiency, quiet operation, and lasting reliability.

Best For

This power supply unit is best suited for compact desktop builds or small-form-factor systems where space is at a premium. Its modular cable design makes it ideal for users who want a clean and organized build. PC enthusiasts and DIY builders will appreciate the ease of installation and the ability to customize cable routing. Those prioritizing efficiency, low noise, and consistent performance will find the SilverStone SX500-G a reliable choice for mid-range gaming or office setups. It’s also perfect for anyone looking to build a quiet and efficient PC without compromising on quality.

User Feedback

Users have praised the SilverStone SX500-G for its quiet operation and low noise levels, especially under load. Many have found the fully modular cable design helpful in creating a clean and organized build, reducing cable mess significantly. Some users noted that the power supply maintains stable performance even in high-demand situations, offering excellent reliability. On the downside, a few mentioned that the 500W capacity may be limiting for high-end gaming rigs or multi-GPU setups. However, for most compact builds and mid-tier systems, it’s a dependable choice that provides good value for its price.

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Pros

  • The compact SFX form factor makes it a great fit for space-limited desktop builds.
  • 80 Plus Gold efficiency helps reduce electricity costs and minimizes energy waste.
  • Low noise operation at just 18 dBA ensures a quiet computing environment, ideal for noise-sensitive users.
  • The fully modular cable design provides excellent flexibility and a clean, organized setup.
  • Japanese capacitors deliver long-term durability and reliable performance under load.
  • Users appreciate the stable power delivery with minimal ripple and voltage fluctuations during extended use.

Cons

  • Some users feel the 500W output may not be sufficient for high-performance systems or future upgrades.
  • The compact size of the power supply can limit cable length options, potentially complicating installation in larger cases.
  • A few users reported that the 92mm fan could be slightly louder under heavy loads.
  • While the SFX form factor is great for small builds, it may not be the best choice for users with larger, more demanding setups.
  • The power supply may not support configurations requiring multiple GPUs or very high wattage demands.
  • Occasionally, users noted that the PSU runs warmer than expected during sustained use.

Ratings

The SilverStone Technology SX500-G 500W SFX PSU has received solid feedback from users across a variety of platforms and languages. After analyzing verified user reviews worldwide, we filtered out low-quality and biased input to ensure our ratings reflect genuine experiences. The scores below capture both the strengths and areas of improvement based on authentic, high-quality user feedback. While the power supply excels in efficiency and reliability, some minor complaints were also noted, especially for users pushing it to the limits with high-end setups.

Efficiency
94%
Many users have praised the high efficiency of this power supply, with its 80 Plus Gold rating leading to noticeable reductions in energy consumption and electricity bills. This feature is especially appreciated by those looking to optimize their systems for long-term performance and lower operational costs.
A few buyers noted that while the efficiency is excellent for standard use, it may not be sufficient for high-demand setups or heavy overclocking. Users with very power-hungry components might find the 500W limit a bit restrictive under load.
Noise Level
90%
Users are consistently impressed by the low noise output, with many mentioning that the 92mm fan operates quietly even during extended use. With noise levels as low as 18 dBA, it’s a great choice for builds where silence is a priority, such as in home theaters or office setups.
While most find the PSU to be very quiet, a few users reported that it becomes slightly noisier under load, particularly in more demanding setups. The noise level, although low, may still be noticeable for users sensitive to any fan hum in quiet environments.
Build Quality
88%
The build quality of this power supply is often highlighted by users who appreciate the premium materials and sturdy construction. The use of Japanese capacitors is especially praised, as it assures long-term reliability and durability, making this unit a solid choice for sustained performance in a variety of desktop builds.
Some users mentioned that the unit feels slightly heavier than expected for an SFX form factor, which may impact those looking for the most compact and lightweight options. Additionally, a handful of reviewers noted minor concerns with cable management in tight spaces despite the fully modular design.
Cable Management
86%
The fully modular design of this unit has been widely appreciated, as it allows users to customize their setups by only using the cables they need. This flexibility not only reduces clutter but also makes it easier to achieve a cleaner and more organized build, which is crucial for smaller spaces.
While most users find the modular cables helpful, some have pointed out that the cables are slightly stiff and may require extra effort to bend around tight corners in compact cases. Additionally, the cable lengths might not be ideal for larger cases, limiting some users’ flexibility.
Reliability
91%
Several users have shared positive experiences with the reliability of this power supply, mentioning that it performs consistently well even under load. The unit's robust voltage regulation and low ripple contribute to its stable operation, making it a trustworthy choice for a variety of system configurations.
A small number of users have reported occasional issues when running high-powered components or during sustained heavy workloads. Some users felt that while the PSU is reliable for most tasks, it may struggle to meet the demands of very high-end systems with extreme power needs.
Installation Ease
85%
Many reviewers found the installation process to be straightforward and hassle-free, thanks to the fully modular design. The clear labeling on cables helps users quickly connect the necessary components, reducing setup time. Its compact size also makes it easier to fit into smaller form factor cases without any issues.
While the installation is generally easy, a few users noted that the tight space in certain compact cases made the process slightly more challenging. Additionally, some felt that more detailed instructions could have been included for first-time builders to avoid potential confusion with the modular cables.
Size and Form Factor
92%
The compact SFX form factor is one of the standout features for users with limited space in their builds. The size makes it perfect for small form-factor PC cases, allowing for better airflow and room for other components. It's an excellent choice for DIY builders looking to optimize space without sacrificing performance.
While the small size is ideal for compact builds, some users pointed out that it may not offer as much cooling capacity as larger PSUs. Those with large or high-performance systems may find the cooling system a bit underwhelming for their needs in comparison to larger form factors.
Value for Money
89%
The value for money offered by this PSU is frequently mentioned in user reviews, with many believing it provides excellent performance at its price point. The 80 Plus Gold efficiency, reliable components, and fully modular design offer a good balance of quality and affordability, making it a solid investment for most users.
A few users felt that while the PSU is a great deal for the features it offers, its 500W capacity might limit future-proofing for users planning to upgrade to more demanding components. Some also felt that the price could be a bit high compared to other 500W PSUs on the market.
Thermal Performance
87%
Users generally report that this PSU offers solid thermal performance, with the fan efficiently cooling the unit even under moderate loads. The fan’s low noise output, combined with the good thermal handling, ensures that the power supply remains stable and operates without causing additional heat buildup inside the case.
Some buyers noted that under extreme conditions, such as when running demanding applications or high-end hardware, the PSU can get warm. Although the thermal performance is good for most users, it may not be sufficient for those pushing their systems to the limit in high-performance gaming or workstation setups.
Voltage Stability
90%
The voltage stability offered by this power supply has been widely praised by users, with many highlighting the consistent and reliable power delivery across various system loads. The strict voltage regulation ensures that users experience minimal fluctuations, even under heavy use, contributing to the longevity of other components in the build.
A small portion of users mentioned occasional voltage drops or instability under extreme conditions, such as during heavy overclocking or sustained stress testing. While this is not a common issue, it can be a concern for users who require absolute voltage stability for high-end builds.
Long-Term Durability
88%
The long-term durability of this unit has been highlighted by many, especially thanks to the use of high-quality Japanese capacitors. Users have noted that the power supply continues to perform well even after prolonged use, making it a reliable option for long-term system stability.
A few users expressed concerns over the PSU's ability to handle future-proofing in terms of growing power demands. While it's durable in typical use cases, some feel it might not provide the same longevity when running newer, higher-power components in the years to come.
Compatibility
93%
The broad compatibility of this unit has been a standout feature, with users mentioning that it works seamlessly with a wide range of components and small form factor cases. The SFX size and fully modular cables make it easy to integrate into various builds without compatibility issues, even in tight spaces.
A few users noted minor compatibility concerns with older or very large cases, where the PSU’s small size and cable lengths might cause installation challenges. Additionally, those using very high-end components might find the 500W output limiting for their builds.

Suitable for:

The SilverStone Technology SX500-G 500W SFX PSU is ideal for compact desktop builds and DIY PC enthusiasts looking to optimize space. Its small SFX form factor makes it perfect for tight cases, especially where every inch counts. Users who prioritize efficiency and low noise will also benefit from the 80 Plus Gold certification and the near-silent operation at 18 dBA. This power supply unit is a great choice for gamers, office workers, or anyone seeking a reliable, energy-efficient unit that doesn’t compromise on power delivery, making it suitable for both moderate and more advanced builds within the 500W range.

Not suitable for:

While the SX500-G 500W PSU excels in compact setups, it may not be the best option for high-performance users or those with future-proofing in mind. With a 500W output, it may struggle to meet the demands of power-hungry systems or extreme overclocking, making it less ideal for users looking to run multiple GPUs or high-end processors. Additionally, those using larger form factor cases or requiring extensive cable lengths might find the SFX size limiting. High-end gamers and professionals needing more power and flexibility should consider a higher-wattage or ATX power supply.

Specifications

  • Form Factor: SFX form factor, ideal for compact desktop builds with limited space.
  • Power Output: 500W maximum output, suitable for mid-range systems and standard builds.
  • Efficiency Rating: 80 Plus Gold efficiency, ensuring high energy efficiency and reduced electricity consumption.
  • Cooling System: Equipped with a 92mm fan for cooling, maintaining low temperatures during operation.
  • Noise Level: 18 dBA minimum noise level, making it one of the quieter power supplies in its class.
  • Modular Design: Fully modular cables for flexible, neat, and customized cable management.
  • Capacitors: Japanese capacitors are used for improved durability and stable power delivery.
  • Voltage Regulation: Strict voltage regulation with a 3% tolerance to maintain stable power delivery.
  • Ripple & Noise: Low ripple and noise levels, ensuring minimal interference and stable performance.
  • Dimensions: Measures 4.92 x 3.94 x 2.5 inches, making it compact and suitable for small builds.
  • Weight: Weighs approximately 4 pounds, adding minimal weight to your system.
  • Compatibility: Compatible with SFX cases and other components requiring up to 500W of power.
  • Warranty: Typically comes with a 5-year warranty, offering long-term peace of mind.
  • Certification: 80 Plus Gold certification ensures energy efficiency and lower operational costs.
  • Connector Types: Provides multiple connectors for diverse build requirements, including 24-pin, 4+4 CPU, and 6+2 PCIe.
  • Cooling Fan Type: Uses a 92mm fan designed to keep the PSU cool and quiet during operation.
  • Operating Temperature: Supports typical operating temperatures ranging from 0°C to 40°C.

FAQ

The SilverStone Technology SX500-G is an SFX form factor power supply, designed for compact desktop builds where space is limited. This form factor allows it to fit in smaller cases while still providing reliable power.

The 80 Plus Gold certification ensures that the power supply operates at high efficiency, meaning less energy is wasted as heat. This translates into lower electricity bills and a cooler, quieter system overall.

No, the SX500-G is specifically designed for small form factor cases using the SFX form factor. It will not fit in standard ATX cases, so make sure your case supports SFX PSUs before purchasing.

Installation is straightforward for users familiar with PC building. The fully modular cable design helps streamline cable management, and the compact SFX form factor fits easily into small cases. Make sure to carefully plan cable routing for optimal airflow.

The SilverStone SX500-G is known for its quiet operation. It features a 92mm fan that runs at a minimum of 18 dBA, which is barely audible during typical use, making it an excellent choice for noise-sensitive environments.

Japanese capacitors are known for their high quality and durability. In the SilverStone PSU, they help ensure stable performance over time and reduce the likelihood of failures, even under heavy loads or extended use.

With a 500W output, this power supply is suitable for mid-range gaming systems and compact workstations, but it may struggle with high-end configurations requiring multiple GPUs or more power. Always check your system’s power requirements before purchasing.

The SilverStone SX500-G delivers a maximum output of 500W, which is sufficient for most standard builds. However, if you're planning on running power-hungry components like multiple GPUs, you may need a higher wattage PSU.

Yes, the fully modular design of this power supply allows you to use only the cables you need, significantly reducing cable clutter and improving airflow. This feature is particularly beneficial for compact builds where space is at a premium.

While the SilverStone SX500-G is generally well-reviewed, some users have noted that the 92mm fan can get slightly louder under load, especially during intensive tasks. Additionally, the 500W power output may not be sufficient for high-end setups with multiple GPUs.