Seasonic B12 BC vs. Asus TUF Gaming 850W Gold PSU – A Comprehensive Comparison

When it comes to powering your PC rig, the choice of a power supply unit (PSU) can make all the difference. Two contenders in the PSU arena that deserve your attention are the Seasonic B12 BC 850W and the Asus TUF Gaming 850W Gold PSU. In this review, we’re going to pit these two powerhouses against each other and see which one comes out on top. We’ll delve into their performance, efficiency rating, build quality, noise level, and cable management capabilities, highlighting their unique features along the way.


Let’s kick things off with the heart of the matter – performance. Both the Seasonic B12 BC 850W and Asus TUF Gaming 850W Gold PSU offer impressive power outputs of 850W. This is enough juice to handle even the most demanding setups, ensuring your components run smoothly without any hiccups.

However, the Seasonic B12 BC 850W takes a slight edge when it comes to performance. With a rock-solid +12V rail delivering a hefty 70A, it provides a stable and reliable power supply, making it ideal for overclocking and powering high-end graphics cards. The Asus TUF Gaming PSU, while still packing a punch with a +12V rail of 70.8A, doesn’t quite match the Seasonic in terms of sheer

Seasonic B12 BC 850W
Seasonic B12 BC 850W – photo Seasonic


Efficiency Rating

Efficiency is a crucial factor to consider when choosing a PSU. It not only affects your electricity bills but also the overall lifespan of your components. In this department, both PSUs offer competitive efficiency levels.

The Seasonic B12 BC 850W comes with a Bronze 80PLUS® certification. While it may not be the highest certification available, it ensures that the PSU operates at an efficient level, minimizing energy waste. However, specific details about Cybenetics Efficiency Level and Noise Level for this unit are currently unavailable.

On the other hand, the Asus TUF Gaming 850W Gold PSU boasts an 80Plus Gold certification. This means it operates at a higher efficiency level than the Seasonic unit. Gold-rated PSUs are known for their ability to convert more of the electricity from your wall outlet into usable power for your components, resulting in less wasted energy and reduced heat generation. This is a significant advantage for the Asus unit in terms of long-term savings and environmental impact.

Build Quality

Now, let’s talk build quality. Both Seasonic and Asus are renowned for their commitment to quality, and their PSUs are no exception. The Seasonic B12 BC 850W comes in a compact form factor measuring 140mm (L) x 150mm (W) x 86mm (H). It’s a sturdy unit that feels robust and well-constructed. The inclusion of flat black cables adds a touch of elegance to its overall design.

As for the Asus TUF Gaming 850W Gold PSU, it also boasts a solid build quality with dimensions of 150mm (L) x 150mm (W) x 86mm (H). What sets it apart is the TUF Gaming Cable Tie, which comes included. This nifty accessory helps with cable management, keeping your rig looking clean and organized. It’s a thoughtful addition for gamers who value aesthetics and airflow.

Asus TUF Gaming 850W Gold PSU
Asus TUF Gaming 850W Gold PSU – photo Asus

Noise Level

Noise can be a deal-breaker for some, especially if you prefer a quiet gaming or working environment. Both PSUs come equipped with a 120mm fan, which is pretty standard for power supplies.

The Seasonic B12 BC 850W features a Sleeve Bearing fan. While this type of bearing is generally reliable, it tends to generate a bit more noise compared to other types like Fluid Dynamic Bearings (FDB). Unfortunately, specific details about its noise level are currently unavailable.

On the other hand, the Asus TUF Gaming 850W Gold PSU boasts a Smart and Silent Fan Control system. This means the fan adjusts its speed based on the PSU’s temperature and load, ensuring it operates as quietly as possible when you’re not pushing your system to the max. It’s a feature that enhances the overall user experience, particularly for those who demand a quieter PC.

Cable Management

Now, let’s talk about cable management – an often-overlooked aspect of building a PC. Proper cable management not only improves airflow but also makes your rig look cleaner and more organized.

The Seasonic B12 BC 850W comes with fixed cables. While they’re not modular, Seasonic has done a commendable job with flat black cables, making them easier to route and hide. However, fixed cables can make your build appear cluttered, especially if you don’t need all of them.

On the flip side, the Asus TUF Gaming 850W Gold PSU offers a more versatile approach with its modular design. You get the flexibility to use only the cables you need, reducing clutter significantly. Additionally, the inclusion of various cable types, including SATA, PCI-E, and motherboard power cables, ensures compatibility with a wide range of setups.

Unique Features

Let’s take a moment to highlight the unique features of these PSUs:

Seasonic B12 BC 850W:

  1. Efficiency and Reliability: While Bronze-rated, it offers stable and reliable power delivery, making it a solid choice for most gaming and workstation setups.
  2. Compact Form Factor: Its smaller footprint is ideal for cases with limited space.

Asus TUF Gaming 850W Gold PSU:

  1. Gold Efficiency: The 80Plus Gold certification ensures high efficiency, saving you money in the long run.
  2. TUF Gaming Cable Tie: This handy accessory helps with cable management, enhancing the overall aesthetics of your build.
  3. Modular Design: Modular cables give you flexibility and reduce clutter, making cable management a breeze.


In the showdown between the Seasonic B12 BC 850W and the Asus TUF Gaming 850W Gold PSU, both units have their strengths. The Seasonic shines in terms of raw performance, making it a great choice for demanding setups. On the other hand, the Asus unit offers superior efficiency, a quieter operation, and a modular design for improved cable management.

Ultimately, your choice between these two excellent PSUs will depend on your specific needs and preferences. If you prioritize performance and don’t mind a non-modular design, the Seasonic B12 BC 850W could be your go-to option (price: €104,95). However, if you value efficiency, low noise levels, and the convenience of modular cables, the Asus TUF Gaming 850W Gold PSU might be the perfect fit for your build. But, price … £156.97!

In the world of PC components, having choices like these two PSUs allows you to tailor your setup to your exact requirements. Whether you’re a hardcore gamer or a professional content creator, one thing is clear: Seasonic and Asus both deliver quality when it comes to power supplies.

You might also like
Leave A Reply

Your email address will not be published.

This site uses Akismet to reduce spam. Learn how your comment data is processed.

This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read More