Is Corsair VS450 power supply enough for me?

LeoLoon · May 29, 2017

Beforehand, I'm not an expert on this. I barely have any knowledge on what I'm doing so please, don't judge me.

I'm not able to use my pc for some time now, long story short... I need a new PSU.

My current generic PSU (defective):

Corsair VS450:

Will Corsair VS450 enough to run my pc? I could use those PSU calculator but since my pc doesn't even booth up, I have no idea how to know some of my parts.

600W < 450W, huge difference but by considering that my generic psu, probably low in terms of efficiency was able to run my pc why can't known psu with around 80% efficiency do so? Well that's my logic behind this idea. But after seeing the maxload and stuffs, I figured I'm probably wrong.

If the answer is no (likely), would VS550 enough? I want to go with the cheaper option if possible.

Also, does brand/manufacturer matters when buying a Power on self test card?

Fixed image link - SS

Someone Somewhere · May 29, 2017

It would help if we knew what components are in your PC. Open the case and take a look - most important is the GPU (if present), and knowing the motherboard model tells us what CPU socket you have, which gives us a pretty good guess at what your CPU is going to draw.

Efficiency has no impact on the output power, only input power.

That old PSU is at most a 400W unit, with a label that says 600W. Note that it delivers a claimed 28A on the +12V rail, vs 34A for the VS450.

A 450W unit is likely to be plenty, for most PCs.

LeoLoon · May 29, 2017

Someone Somewhere :

My motherboard is EMX-A58FM2+HD-iCafe, AMD A8-6600 as my CPU, and I have no idea what my GPU is... where is it located exactly?

Also what about those other xx.V thingy? Tho +12V is quite high compared to my old PSU, what about the rest whereas 450 is quite low on.

Someone Somewhere · May 29, 2017

Your GPU would normally be a card with a fan on it, which plugs into the motherboard underneath the CPU cooler, and sticks out the back of the case. It's quite possible you don't have one.

12 volt is the only power supply rail that really matters in a modern PC.

varis · May 29, 2017

GPU = graphics card, so if there is a card that has a cord going to your monitor, it's probably that... power off the system, disconnect cable and if there is no image anymore you got it

Is this a beefy gaming PC or what kind of a system is it (I didn't look up your exact components)? If it's more of a generic low end PC it's very possible that it just uses an integrated GPU as a part of the CPU (and your cord to the monitor is connected to the motherboard instead).

If there is no GPU it is very likely 450W is plenty. Unless you have something quite exotic on the PC which I think is also quite unlikely by the sounds of it

BTW. Could be a good idea to read system building / upgrade guides at Tom's forums and elsewhere, gets you knowledge about many basics. At least watch out for static electricity when working with components and it's a good idea to turn it off and disconnect all power cables when you work on it.

LeoLoon · May 29, 2017

Someone Somewhere :

would a pc even run without a GPU? The only fan I see on my system is this huge one that is on top of the cpu and the one on my psu.

varis :

It's a generic pc but it can run some decent games like Dota 2, Echo of Soul, Aura Kingdom, and stuffs on med-high settings. I remember going to game debate checking stuffs and I remember setting it to something like "Intel Core HD i5".

and yeah, I will really check those out.

helpstar · May 29, 2017

your CPU has an integrated graphics unit: AMD Radeon HD 8570D
If you plugged in your monitor into the motherboard, you don´t have a dedicated graphics card

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