How to choose a PSU for crypto mining?

When it comes to selecting a PSU, or Power Supply Unit, for crypto mining, there are several key factors to consider. Firstly, what is the wattage requirement of your mining setup? Different miners consume varying amounts of power, so it's crucial to ensure that your PSU can handle the total wattage draw of all your mining hardware. Secondly, consider the efficiency rating of the PSU. A higher efficiency rating means that less power is wasted as heat, leading to reduced electricity bills and cooler operating temperatures. Additionally, look for features like over-voltage and short-circuit protection, which can help protect your mining equipment from damage in the event of a power surge or other electrical issues. Lastly, consider the reputation and reliability of the PSU manufacturer, as a well-made PSU can help ensure the stability and longevity of your mining operation. What other factors would you recommend considering when choosing a PSU for crypto mining?