On 9/14/2018 at 6:21 AM, Shashiwimal123 said:
My pc doesn't consume much power. So i dont want a lot of watts. I just needed something around 500 watts. So those chead craps are what i came with.
That's not how it works.
A PSU only puts out what's demanded of it. Nothing more. Typically, higher end PSUs don't come in lower wattages because it doesn't cost any less to make a high-end, say "550W" for example, versus making a high end 850W. So they just don't bother making the 550W variant. For example: It only cost $1 less to make the AX760i versus the AX860i. So instead of having both products on the market at essentially the same price, Corsair discontinued the AX760i and only sell the AX860i.
You need to look a little deeper than "brand" and "wattage".
Sticking with just Corsair here to keep it simple: Take the suggested Corsair CX450M, for example. It's has a double forward topology and a sleeve bearing fan (while newer models might have a rifle bearing). For the same amount of money, you can get a CX450 (non-M) which is a resonant LLC topology (which is better) and a rifle bearing fan, but is non-modular. But they're both Bronze efficiency and only have a 5 year warranty.
The RMx is the next step up, and is a better product over all in that it's Gold efficiency, has all Japanese capacitors, is rated to run at 50°C, has better voltage regulation, lower ripple-noise, is fully-modular and is quieter with a zero RPM fan mode. It also has a 10 year warranty. But the RMx doesn't come in a 450W, so you have to get a 550W.
Say you want a better fan like an FDB and the ability to monitor power consumption, voltages, fan speed, etc. via software. Then you would go up to the RMi. But the RMI only starts at the RM650i. You can't even buy a 550W RMi.
So yeah... Your system only needs 200W. But if you want to have a better selection of components to choose from, you shouldn't look at wattage FIRST. Look at the features you think you'd want first, the warranty, is it quiet or loud (if that matters to you), etc... .THEN look at the wattage.
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