Overview

The ASRock Steel Legend SL-850G 850W Power Supply is a high-performance unit designed for modern PC builds. This power supply offers 850W of power and is fully modular, which makes it easy to manage cables and improve airflow. It boasts an 80 Plus Gold certification, ensuring high efficiency and energy savings. The SL-850G supports the latest PCIe 5.1 standard, making it compatible with next-gen GPUs. Additionally, its use of Japanese capacitors enhances reliability and longevity, ensuring that it delivers stable power for years to come.

Features & Benefits

This power supply is engineered for maximum efficiency, with an 80 Plus Gold rating that reduces energy waste and lowers power bills. The fully modular design allows for cleaner builds and better cable management, improving airflow inside the case. The advanced fan control mode ensures that the fan operates quietly, even under load, making it a great choice for users who prioritize low noise. Additionally, the inclusion of 12VHPWR cables offers compatibility with PCIe 5.1 components, future-proofing your system for upcoming hardware. With a 10-year warranty, this PSU provides peace of mind and durability.

Best For

The ASRock SL-850G is ideal for gamers building high-performance PCs that demand stable, reliable power. Its support for PCIe 5.1 makes it a great option for users who need to run the latest GPUs without compromising on performance. Enthusiasts who value modular cable design will appreciate the cleaner look and improved airflow it provides. This power supply is also perfect for anyone seeking a quiet, efficient solution with the assurance of a long-lasting, durable build.

User Feedback

Users generally praise the ASRock SL-850G for its reliable performance and quiet operation, with many noting that it performs well even under heavy loads. Installation is made easy thanks to the fully modular design, which makes cable management a breeze. However, some users with larger cases have expressed a desire for more cable length options to ensure flexibility in large setups. Overall, the product's 10-year warranty and robust construction have earned it strong reviews, making it a trusted choice for many PC builders.

Pros

  • The fully modular design allows for easy cable management and a clean build.
  • 80 Plus Gold certification ensures high efficiency and lower power consumption.
  • Advanced fan control keeps the operation quieter compared to other power supplies.
  • Japanese capacitors enhance the overall reliability and longevity of the unit.
  • Supports the latest PCIe 5.1 standard, making it future-proof for next-gen GPUs.
  • The 10-year warranty offers peace of mind and reflects the unit's durability.

Cons

  • Some users reported that the fan noise becomes noticeable under heavy load.
  • The unit's size may not be ideal for compact or small cases with limited space.
  • A few users mentioned that the cables could be a bit short for large PC cases.
  • While it’s efficient, the 850W output may be overkill for users with less demanding builds.
  • Not all users need PCIe 5.1 compatibility, so they feel the extra cost isn't justified.
  • Installation could be challenging for beginners unfamiliar with fully modular designs.

Ratings

After analyzing verified user reviews from multiple platforms and languages worldwide, the scores for the ASRock Steel Legend SL-850G 850W Power Supply reflect authentic feedback, free from spam, bot activity, and exaggerated claims. Both strengths and weaknesses are represented in the overall scores, with a wide range of feedback helping to shape the final ratings. This analysis includes insights from a diverse range of users, ensuring a comprehensive view of the product’s performance and value for buyers.

Performance
91%
Many users have praised the power supply for delivering stable and reliable performance, especially when powering high-end gaming rigs. Its 850W capacity ensures that demanding components like powerful GPUs are adequately supported, even during heavy workloads. The efficient power output is a big plus for users looking to optimize their builds.
However, some users noted that the PSU could be overkill for systems with lower power requirements, making it less cost-effective for those with basic setups. Additionally, a few customers mentioned that the performance could occasionally dip under extreme stress, though these instances appear rare.
Build Quality
88%
The overall build quality of this unit is widely appreciated, with many users highlighting the premium feel and solid construction. The inclusion of Japanese capacitors adds an extra layer of durability, which is an important factor for long-term reliability. This power supply feels robust and well-made, especially for users seeking longevity.
Some users expressed concerns about the weight of the unit, finding it bulkier than expected. In certain smaller cases, the size and weight may require extra consideration for fitting and airflow management, which could be an inconvenience for users with tight builds.
Efficiency (80 Plus Rating)
94%
The 80 Plus Gold certification, paired with Cybenetics Platinum efficiency, is a major selling point for users looking to reduce their energy consumption. Buyers have noticed lower power bills and appreciate the power supply's ability to minimize energy waste, even under load. This efficiency is a standout feature for those seeking environmentally friendly options.
While the efficiency rating is excellent, a few buyers feel that the premium cost of the product could be prohibitive for those on a tighter budget. Some users have questioned if the higher efficiency is noticeable enough for everyday builds, especially for users who don’t run energy-hungry systems.
Noise Levels
85%
A key highlight for many users is the quiet operation of the power supply. The advanced fan control system ensures that noise levels stay low during typical usage. Users with quieter setups appreciate that the fan doesn't overwhelm their system, allowing them to focus on gameplay or work without distraction.
However, a few users mentioned that the fan noise could become noticeable under load, particularly in warmer environments or when the power supply is pushing close to its maximum output. Some would have preferred a quieter fan at higher workloads.
Ease of Installation
90%
The fully modular design makes installation straightforward, with many users highlighting how easy it is to manage cables. The modularity helps reduce clutter, which improves airflow and overall system aesthetics. First-time builders and experienced PC enthusiasts alike found the process simple and intuitive.
A few users did find the cable lengths a bit short for larger cases, which can make the installation slightly less convenient. Users with extended or oversized cases may find themselves needing additional cables or extensions to ensure a clean and tidy build.
Compatibility with Next-Gen GPUs
92%
The PSU’s compatibility with the latest PCIe 5.1 standard and 12VHPWR cables makes it a great choice for users building PCs with next-gen GPUs. Many users building or upgrading to high-end gaming systems were impressed with how seamlessly the power supply supports newer graphics cards, ensuring stable performance and future-proofing their systems.
Some users who didn’t need the latest PCIe 5.1 support felt that this feature was unnecessary for their needs, leading to a more expensive product that might not fully utilize the cutting-edge cables. Additionally, users with older systems found the extra connectors redundant.
Cable Management
89%
The fully modular design simplifies cable management, allowing users to only connect the cables they need. This results in cleaner builds with better airflow. The quality of the cables themselves is also noted for being flexible, which makes routing them through tight spaces much easier.
A few users did report that while the modular cables are easy to work with, the cable length could be problematic in very large cases or non-standard configurations. Extra cable length options would have been appreciated by those with expansive builds.
Fan Control & Cooling
87%
The iCool Intelligent Fan Control provides efficient cooling without excessive noise. Users report that the fan only kicks in when needed, maintaining a cool system without disrupting performance. This is particularly beneficial for users who prefer a quieter system during idle periods.
Despite its effectiveness, some users found the cooling could be more aggressive under load, as the fan can become audible during high-performance tasks. A few users were hoping for a more silent cooling solution, especially in high-demand scenarios.
Long-Term Durability (Warranty)
95%
The generous 10-year warranty is a major pro for many users, offering peace of mind for long-term use. Many buyers appreciate knowing that the power supply is built to last, and the warranty is seen as a strong indicator of durability. This extensive coverage is a key factor for those who expect their builds to last for years.
While the warranty is excellent, some users felt that the warranty period was not necessarily relevant to them, as they typically upgrade their systems every few years. Others have expressed a preference for a more cost-effective product if they weren't looking for such a long-lasting option.
Value for Money
90%
Many users feel that this power supply provides good value for the price, especially considering the 80 Plus Gold certification, modular design, and long-term warranty. It's seen as a solid investment for gamers and PC enthusiasts looking to ensure efficient power delivery without excessive energy waste.
However, some users believe the product is a bit overpriced, particularly for those who don't need all of the advanced features like PCIe 5.1 compatibility. For budget-conscious buyers, similar options with fewer premium features might offer better value.
User Experience (Overall Satisfaction)
88%
Overall, users have been very satisfied with their purchase, with many praising its reliability and consistent performance. The power supply performs well under normal and heavy loads, and it helps maintain system stability. The installation process is easy for most users, and the unit’s durability makes it a reliable choice for long-term use.
A few users did express some frustration with the unit's bulkier design, which may pose a challenge for users with space-constrained cases. Additionally, while the performance is generally solid, some found it lacking in areas such as fan noise under heavy load.
Product Weight and Size
83%
The size of the unit is generally well-received, as it fits most standard ATX cases. Users with mid-to-full tower cases have reported no issues with installation, and the PSU’s form factor offers a good balance of power and compactness for its category.
However, some users found the unit to be too bulky for smaller cases. This can lead to clearance issues with cables and other components, especially in tight spaces. The power supply’s size is something to consider for those looking to build in compact form factor cases.

Suitable for:

The ASRock Steel Legend SL-850G 850W Power Supply is an excellent choice for gamers and PC enthusiasts building high-performance systems. It is ideal for users who require reliable and efficient power delivery, especially those running power-hungry GPUs and multiple components. The 80 Plus Gold certification ensures energy savings, while the fully modular design allows for easy cable management and a tidy setup. Additionally, its compatibility with PCIe 5.1 and 12VHPWR cables makes it future-proof for next-gen graphics cards, making it perfect for anyone upgrading to the latest technology. Those who value long-term durability will also appreciate the 10-year warranty that backs the unit, ensuring it can handle years of heavy use without issues.

Not suitable for:

This power supply may not be the best fit for users with smaller cases or those on a tight budget. The size and weight of the unit could be a concern for users with compact or space-constrained builds, as it might interfere with airflow or cable routing. Additionally, while the 850W output is ideal for demanding systems, it might be overkill for users with simpler setups, leading to unnecessary expense. Some users also reported that the fan noise can become noticeable under load, which might be a drawback for those looking for ultra-quiet operation. Finally, users who don’t need PCIe 5.1 compatibility may find that they’re paying for features they won’t fully utilize.

Specifications

  • Power Output: Delivers a total output of 850W, providing sufficient power for high-performance PCs and demanding components.
  • Efficiency Rating: Certified with 80 Plus Gold efficiency, ensuring minimal energy waste and reduced electricity costs.
  • Certification: Cybenetics Platinum certification guarantees a high level of reliability and energy efficiency.
  • Modular Design: Fully modular design allows for customized cable management, reducing clutter and improving airflow.
  • Cooling System: Equipped with iCool Intelligent Fan Control, adjusting fan speed based on system load for quieter operation.
  • Fan Size: Includes a 135mm fluid dynamic bearing (FDB) fan, designed for quiet and efficient cooling.
  • Fan Control: Advanced fan control mode ensures the fan operates quietly and only ramps up when necessary.
  • Dimensions: The power supply measures 5.91 x 5.91 x 3.39 inches, making it compatible with most mid- and full-sized ATX cases.
  • Weight: Weighs approximately 3 lbs, making it lightweight yet sturdy for its power output.
  • Compatibility: Supports ATX3.1 and PCIe 5.1 standards, making it compatible with next-gen GPUs and other power-hungry components.
  • Capacitors: Uses high-quality Japanese capacitors for improved reliability, longevity, and stable performance.
  • Warranty: Comes with a 10-year warranty, providing long-term assurance and support for reliability and durability.
  • Cable Type: Includes dual-color 12V-2x6 cables, designed for easy cable management and optimal power delivery.
  • Connector Options: Supports 12VHPWR cables, allowing compatibility with high-end, next-gen graphics cards that require higher power delivery.
  • Noise Level: Maintains low noise levels under typical load, with a quiet fan design that operates efficiently even during heavy use.
  • Input Voltage: Supports an input voltage range of 100-240V, making it suitable for use in various regions worldwide.
  • Protection Features: Equipped with multiple protection mechanisms, including over-voltage, over-current, short-circuit, and over-power protections.
  • Cooling Technology: Features FDB (Fluid Dynamic Bearing) fan technology, providing reliable and quieter performance compared to standard fans.

FAQ

The ASRock Steel Legend SL-850G offers a fully modular design, 80 Plus Gold efficiency, and Cybenetics Platinum certification, ensuring high performance with low energy waste. It’s ideal for users building high-performance PCs, especially those with next-gen GPUs requiring PCIe 5.1 support.

Installation is straightforward thanks to the fully modular cables, which allow you to connect only the cables you need for a cleaner setup. First, mount the PSU in your case, then connect the necessary cables to your motherboard, GPU, and other components. Follow the manufacturer's instructions to ensure proper installation.

This power supply has a standard ATX form factor, so it should fit in most mid- and full-sized ATX cases. However, if you have a compact case, be sure to check the available space, as it may be too large for smaller builds.

Yes, the ASRock SL-850G is fully compatible with PCIe 5.1 and includes 12VHPWR cables, which are necessary for powering the latest high-end graphics cards that require more power.

The PSU features an advanced fan control mode that adjusts the fan speed based on load, making it very quiet during light usage. However, under heavy load, the fan can become more audible, though it generally remains quieter than many other power supplies in the same range.

The ASRock SL-850G comes with an impressive 10-year warranty, ensuring long-term durability and reliability. This warranty reflects the manufacturer’s confidence in the product’s build quality.

The fully modular design allows you to use only the cables you need, which reduces clutter and improves airflow inside your PC case. It also makes cable management easier, helping you maintain a tidy and efficient build.

Yes, this power supply boasts 80 Plus Gold certification, ensuring that it operates at high efficiency and minimizes energy waste. This helps lower your overall electricity costs, especially in high-performance systems that run for extended periods.

Gamers building high-performance, power-hungry PCs will find the ASRock SL-850G ideal, especially those using next-gen GPUs. It’s also a great choice for PC enthusiasts looking for reliable power delivery and anyone who values quiet operation and efficient cooling.

While the ASRock SL-850G offers many advantages, some users have noted that the cables may be too short for larger cases. Additionally, for users with less demanding builds, the 850W output might be more power than necessary.