The PF value is much higher than Passive Power Factor Correction. Power supplies with an Active Power Factor Correction (Active PFC) have much higher efficiency than power supplies with a Passive PFC. Active Power Factor Correction PSU will automatically detect whether the input voltage range is between 90V~264V and adjust compatible output voltage.
PSU TIER LIST STRIDER PLUS
Participating utilities and energy efficiency organizations across North America have contributed over $5 million of incentives to help the computer industry transition to 80 PLUS certified power supplies. I highly recommend buying a power supply that is at least 80 Plus Certified.Ĩ0 PLUS is an innovative, electric utility-funded incentive program to integrate more energy-efficient power supplies into desktop computers and servers. Nobody wants a high electric bill, or wasted power. Wattage / volts = amperes.Įfficiency is an important factor with power supplies. Notice how it says 960W below the peak amperage ratings. Again, that's the max load that each output can safely output. Notice how the six +12v outputs have an 18A rating.
PSU TIER LIST STRIDER PRO
This is a first generation Cooler Master Real Power Pro 1000W power supply. Not all stickers are this straight forward.
The sticker on this PSU is very clear, notice at the bottom it says +12v max load is 62A. It has four +12v outputs, each has a 25A rating. This is a picture of my Antec TruePower New 750W power supply. The Bottom Line - if it is a good PSU, it doesn't matter how many +12v rails/outputs it has.Īdding up the max power of the +12v outputs does not give you the continuous combined +12v power. Here is a good read on the splitting of +12v rails. Most power supplies that have multiple +12v rails (I don't know of a PSU that has more than two +12v rails) are rated for over 1000W. This power is divided into different outputs. First of all, most power supplies have only one +12v rail (power source). The truth is, most of these people are confused and wrong. Many people debate about whether or not single +12v rails are better than multiple +12v rails. Good efficiency is highly preferred as well (at least 80 Plus certified). So you want a PSU that can provide ample +12v power with good line regulation and ripple voltage. The +12v rail powers modern motherboards, CPU cores, drives, fans, and video cards. You should invest in a power supply that has high end capacitors that are rated for 85 degrees Celsius or higher, an active PFC, good heat sinks/cooling, and other things that the PSU glossary above mentions. Look at the brand name, total power, +12v power, +12v distribution, and reviews for a PSU before purchasing one. What Should I Look for When Buying a PSU? You can also look up the max power consumption of your components, but to give you a basic idea, use a PSU calculator such as this one. The best thing to do is to use a kill-a-watt and measure the amount of power being used.
PSU TIER LIST STRIDER PC
How Can I Find Out How Much Power My PC Uses?
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