How can I know if my PSU is enough for a new 16Gb Ram kit ?

StevenZervos · Dec 28, 2015

I' not an expert and I don't know what PSU I have, I opened my computer to see but I didn't quite understand what it is. I don't know if there is going to be any problem replacing my old Ram with a new 16gb kit but I want to make sure before I buy it. If you know how I can know if my PSU is enough please tell me. Thanks.

BadActor · Dec 28, 2015

You probably won't be drawing more than an extra 5-10 watts, I wouldn't worry about it.

Wolfshadw · Dec 28, 2015

More than likely, it's a non-issue as (like BadActor states) the RAM. Running through this Power Supply Calculator, my system draws 346 watts from the power supply. When I changed it to 16GB of RAM and recalculated, the system power draw changed to 349 watts (only 3 watts more).

Unless you're on a very fine edge, it should not make any difference, but without knowing the specific details of your system, we can't say for sure.

-Wolf sends

StevenZervos · Dec 30, 2015

BadActor :

Thanks

StevenZervos · Dec 30, 2015

Wolfshadw :

Thanks but do you know how can I see what PSU I have ? This is my computer if it helps, scroll down and you will see the details http://www.public.gr/product/computers-and-software/statheroi-ypologistes/desktop-pc/hp-pavilion-500-336nv-j5m93ea-desktop-pc/prod6410025pp/

BadActor · Dec 30, 2015

That model per HP specs show a 180 watt PSU. You won't be able to upgrade the graphics card without also replacing the PSU.

mjslakeridge · Dec 30, 2015

Since yours is a pre-built computer, it is likely to have a low quality PSU that provides just enough power to run the computer. They do that to maximize their profit margin. But as the others have said above, the new ram is likely to work without drawing too much power. In the link you provided, they don't mention the specs of the PSU, which is not surprising. There should be a label on the PSU identifying the manufacturer and wattage. If you can't see the label by just opening up the side of the computer case, perhaps it is on the opposite side of the PSU up against the back side of the case, in which case you would have to remove the PSU to find it.

GWoltmann · Feb 19, 2016

mjslakeridge :

Great stuff, it's good to know that you can add RAM if you want to. Some interesting facts about standard computers being limited, its all in the price point then.

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How can I know if my PSU is enough for a new 16Gb Ram kit ?

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