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How to figure out wattage of your power supply?

#1hyjinx17Posted 2/19/2014 2:26:12 PM
I'm looking to put a new graphics card in my computer I bought a couple of years ago, but I no longer have the box with the specs on it. How would I find out my wattage so that I know the graphics card will work?
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#2PsythikPosted 2/19/2014 2:26:57 PM(edited)
It's written on the side of the PSU.
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#3pwnater777Posted 2/19/2014 2:26:58 PM
When I asked, people just told me to open up the tower.
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#4ShubPosted 2/19/2014 2:39:39 PM(edited)
There is no way except by visual inspection of the PSU. PSUs don't have any interaction with the system other than delivering power, so there is no way for the system to detect this bit of information.
If you're unsure of what you have, in addition to (or rather than) noting the wattage alone, you should note the brand and model number as that is helpful in assessing its quality, whereas the wattage alone isn't.
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#5hyjinx17(Topic Creator)Posted 2/19/2014 3:29:18 PM
Wow the one in this PC is really weak. 350w damn. Gonna buy a GTX 760 so I'm going to have to buy a new power supply at the same time. Planning to replace the parts 1 at a time until it's all new.
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#6Freakwave003Posted 2/19/2014 3:30:45 PM
If it's a prebuilt pc, yeah, they usually go with as little wattage and cheap as they can with the psu. You can buy a decent 500 watt Corsair psu for like 20 bucks.
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#7hyjinx17(Topic Creator)Posted 2/19/2014 3:44:45 PM
Freakwave003 posted...
If it's a prebuilt pc, yeah, they usually go with as little wattage and cheap as they can with the psu. You can buy a decent 500 watt Corsair psu for like 20 bucks.


Will 500w be enough? It's the minimum required wattage, so wouldn't it be better to get something a little stronger? Kind of a PC noob, as I'm sure you can tell.
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#8hyjinx17(Topic Creator)Posted 2/19/2014 3:53:22 PM
Honestly would I just be better saving up for an extra month and just dropping it on

http://www.newegg.com/Product/ComboBundleDetails.aspx?ItemList=Combo.1413457

it's pretty much equivalent to what I was planning to get anyway both specs and price wise.
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#9LvthnPosted 2/19/2014 3:54:39 PM
hyjinx17 posted...
Freakwave003 posted...
If it's a prebuilt pc, yeah, they usually go with as little wattage and cheap as they can with the psu. You can buy a decent 500 watt Corsair psu for like 20 bucks.


Will 500w be enough? It's the minimum required wattage, so wouldn't it be better to get something a little stronger? Kind of a PC noob, as I'm sure you can tell.


If it's a decent quality PSU (Corsair is) and you don't plan to do much overclocking (you shouldn't on a prebuilt with a GPU stuck in it) then hitting the wattage right on the nose is just fine.
#10TheC0ndemnedOnePosted 2/19/2014 3:55:26 PM
hyjinx17 posted...
Freakwave003 posted...
If it's a prebuilt pc, yeah, they usually go with as little wattage and cheap as they can with the psu. You can buy a decent 500 watt Corsair psu for like 20 bucks.


Will 500w be enough? It's the minimum required wattage, so wouldn't it be better to get something a little stronger? Kind of a PC noob, as I'm sure you can tell.


Those minimum requirements show a worst-case scenario, so unless all your other parts are overclocked power-hungry monsters and you're doing some extreme benchmarking with it all, you're probably not going to surpass 500w.

However, it sounds like you have a prebuilt, so it would be helpful for us to know what model it is so we know what CPU you have and what case you're dealing with, as those affect your graphics card and PSU options.
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