Linus Tech Tips Power Supply Tier List (2024)

FAQs

What is a low priority PSU? ›

Low priority subtiers - Lack of info (no reviews) or minor issues (see the corresponding tab in the spreadsheet). Not recommended for purchase over any normal priority units.

What are Power Supply Ratings? All power supplies are ranked through the 80 PLUS voluntary certificate program. PSUs are rated on their percentage efficiency past 80% power efficiency in relation to 3 workload percentages (or 4, in the case of Titanium rated PSUs).

80 Plus Bronze certification is suitable for basic computer systems or budget builds, where efficiency may not be the top priority. However, it's important to note that even with a Bronze certification, the efficiency is still higher than non-certified PSUs and can still help to reduce electricity bills and heat.

Yes, if you have a powerful system and your psu doesn't meet its power requirements the system will have crashes, low performance etc.

1000 watts is plenty for a 4090 as long as you are getting the psu from a reputable brand. I have 1000 watt psu and I use my 4090 Strix. I was able to overclock it to it's maximum and run at 600 watts during benchmarks without any issues.

It's impossible to give an exact recommendation without knowing specifically what hardware you're working with, but using a PSU Wattage Calculator, or determining the power draw of your different internal components and adding that together, can give insight into how many watts you need.

Yes, a 750W power supply is good for most people, depending on the CPU and other components of the system you're running.

This means a 500W 80 Plus rated PSU would draw a maximum of 625W at 100% load. Because of the relatively low-cost premium and advantages they provide (discussed below), we do not recommend anything less than 80 Plus, so make sure to look for this logo when shopping for your next PSU.

From a pragmatic point of view, we can see that the absolute energy losses at 50% load are 16 Watts greater for the 80Plus Gold unit compared to the 80Plus Titanium one.

80 Plus "White" (Otherwise known as "80 Plus") is the lowest (worst) 80+ rating there is. (EDIT: This does NOT mean it's a bad power supply necessarily, there are plenty of PSUs that have NO 80 plus certification. It just means that it's a bit less efficient than other power supplies with better ratings.)

What is considered low priority? ›

Low Priority Tasks

These tasks are important but can be postponed without significant consequences. They have a lower impact on the project's success and can be addressed at a later stage. For example, improving the user interface of an existing software product could be categorized as a low priority task.

Lower priority requirements are those that provide minimal impact to organisational outputs or end user experience. In this post I will describe 5 common requirements prioritisation techniques.

Priority levels are typically assigned as high, medium, and low. High-priority tasks should be completed first, followed by medium and then low-priority tasks. To assign a priority level to your tasks, consider the urgency of the task in relation to its importance in addition to the pointers explained above.

Low voltage power supply means a power supply with a voltage rating of between 50 and 1 000 V for alternating current and between 75 and 1 500 V for direct current; Sample 1Sample 2Sample 3.