What's the best? How can I get the best for my money? Pick, Assemble and Install: Video GuideĪll too often I see confusion among builders about which power supply, motherboard, AIB video card, CPU cooler, SSD, etc to buy.No intentionally harmful, misleading or joke advice.No excessive posting (more than one submission in 24 hours).No selling, trading or requests for valuation.No self-promotion, advertising, begging, or surveys.No submissions about memes, jokes, meta, or hypothetical / dream builds.No submission titles that are all-caps, clickbait, PSAs, or pro-tips.No submissions about retailer or customer service experiences.No submissions about sales, deals or unauthorized giveaways.No submissions about hardware news, rumors, or reviews.Please keep in mind that we are here to help you build a computer, not to build it for you. A 550w platinum power supply would barely rise a few degrees above ambient, so there's savings if you're running air conditioning with less heat being dumped inside your room.Īs enthusiasts, we should look at single rail power supplies with DC-DC converters like the CX or MWE v2 as a starting point.Submit Build Help/Ready post Submit Troubleshooting post Submit other post New Here? BuildAPC Beginner's Guide Live Chat on Discord Daily Simple Questions threads
Linus tech tip psu tier list plus#
And the higher the 80 plus rating you go to, the less heat the power supply produces (since it'll be more efficient at converting power). Single rail power supplies with DC-DC converters also tend to be lighter, and have less points of failure.
![linus tech tip psu tier list linus tech tip psu tier list](https://www.gamingscan.com/wp-content/uploads/2019/01/psu-tier-list.jpg)
I haven't learned all there is to learn about power supply topology, but that should be a fair summary. The components aren't the best, but the vast majority of PC's sold today are office machines with iGPU's and they are perfectly happy with these power supplies, so they continue to be manufactured. They're a very old design, like decades old, and that's why they're so low priced. If you have a GPU in your system, or have a high core count processor (more than 4 cores and/or 8 threads), group regulated power supplies should be avoided. The efficiency curve for these power supplies is almost a flat line.
![linus tech tip psu tier list linus tech tip psu tier list](https://www.gamingsilk.com/wp-content/uploads/2021/12/PSU-Tier-4.jpg)
They're also quicker to respond to power demands. So whichever line has a high load, it's independently regulated without affecting the other voltages/lines. The 12v has it's own regulation and all of the lower voltages (5v, 3.3v) have their own regulation with their DC-DC converters. That single 12v line is then converted to 5v with (also) high efficiency DC-DC converters. In PSU's, the LLC denotes two inductors (L & L of LLC) and a capacitor (C) used in the power supply design to produce the primary voltage line, 12v, at super high efficiency. Not to be confused with LLC, load line calibration, which is a bios setting for CPU power under load.
Linus tech tip psu tier list series#
The CX series by Corsair and the MWE v2 series are LLC Resonant. Group-regulated power supplies like the CV line should be reserved for builds with ultra low power GPU's (no additional PCIe power) or no GPU's at all. Also, the efficiency curve of these power supplies are a bell curve, they have a narrow sweet spot for the best efficiency. It can cause instability, lockups, crashes and sometimes even component failure. And the voltage correction by the power supply is applied to both the 12v line and 5v line, raising the 5v line over the ATX spec. So if you have a high load on the 12v line, like a GPU, then the 12v line drops a little. What this means is that both the 5v output and 12v output are regulated together. But both of these power supplies are group regulated. I remember someone from Corsair (probably jonnyguru) saying that they changed a single component in the VS series (80 plus white) to make it 80 plus bronze (CV series).