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How Big Of A Computer Power Supply Psu Do I Need

What is an atx power supply and how do you know if your computer uses it?

Ok, your computer is an older model and Dell has no information on it so the only way to do this is to OPEN your computer up and personally inspect the power supply to tell whether or not you have a proprietary power supply or an ATX power supply. Look at the connectors going to the motherboard and to each device and then compare to the pictures on THIS PAGE:

http://www.atxpowersupplies.com/choosing...

This page shows what standard ATX connectors look like. Does it look like what you have on that computer of yours?

This is how to tell. Secondly, a 750W psu may be too big to fit into your case. Measure the size of your current one and the size provided by the manufacturer of the psu you want and see if you have the room inside that Dell case for this psu.

Nothing like getting a simple screw driver and a ruler and finding out, right? You might need a flashlight too.

A pc build gaming computer power supply?

Not as much as you might think, honestly. Your video card probably draws about twelve amps on the 12V rail, and the whole machine will be fine on about 450 watts after factoring in a thirty percent safety margin. More important than a big supply is a reliable one with good rail regulation and low ripple.

Check these links:
OCZ StealthXstream
(FSP, rather high ripple at full load, cheap)
http://www.newegg.com/Product/Product.as...

Corsair VX-450
(Seasonic w/ all Jap. caps. Really peaks at about 600 watts)
http://www.newegg.com/Product/Product.as...

CoolerMaster Real Power Pro 550
(Enhance, overengineered)
http://www.newegg.com/Product/Product.as...

Oh, and while you'll outgrow these if you want SLI (why?) and a good safety margin, current prices make it not much more expensive to buy one of these and later upgrade if you decide you need more power. That way you get a spare supply if nothing else.

Are computer Power supplies universal?

MOST are... For example, ATX power supplies & motherboards are all compatible. If you've got a standard motherboard you can buy any psu- Antec, OCZ, Seasonic, Rosewill, Corsair etc.

In the past, Dell used BTX power supplies in their Dimension series of computers so standard ATX power supplies wouldn't fit (the screws wouldn't line up properly). But since then, Dell has come around and now uses industry-standard ATX like every else.

But there are exceptions with brand-name computers. For example, almost all slimline computers have proprietary power supplies which are smaller than normal and sometimes oddly shaped.

Unfortunately, those psus are weak (usually 250W or lower) but unless the manufacturer or a 3rd-party makes a higher-wattage replacement, you're out of luck. That's why slimline computers are such a headache to upgrade.

HP's slimline computers are the worst- many have a proprietary power connector on the motherboard which isn't standard ATX, it's a smaller mini-24 pin connector that no other manufacturer uses. So only HP's power supplies made specifically for those units can physically connect to those motherboards.

http://www.atxpowersupplies.com/200-watt...

How do you check how much power supply your computer has?

Open up your side panel. The power supply will be at the top or bottom of the case, depending on your case's PSU mount. Some cases have both. Anyways you will see a lot of power connectors sprouting from A big box(Power Supply Unit). There should be a label on one of the four sides that displays detailed specs. Or, you can download Piriform's specification software from here: http://www.piriform.com/speccy This software will tell you just about everything you need to know about your computer, including CPU temperature. Which I personally find really neat. I have recently swapped my dead PSU with a new 600w PSU.

How many watts power supply do I need for a 1000 watt amp?

I haven't seen many people do this but I figured since I had the equipment sitting around I might as well use it. I've got a 1000 watt (500w rms) car mono sub amp. I want to power it indoors. Heard of people using computer power supplies to convert from 120v ac to the 12v dc. But to power my amp does that also mean I need a 1000w power supply? Not sure if it's an equal proportion. If that's the case, the power supply will be in the hundreds. At that point is there a good audio indoor amp that puts out the same numbers that anyone would recommend?

Do motherboards have a power supply "limit"?

I'm planning on upgrading my computer, to do so I'll need a much more powerful PSU, but I'm using an old (relatively old anyway) unbranded motherboard. If I were to load it up with 10 NVIDIA GeForce GTX 590s and 60 GB of RAM with a 3000 watt power supply, would it "blow up" or otherwise refuse to work?

BASICALLY... besides the pins, is there any limit a motherboard could take from a PSU?

How much will it cost to replace my power supply and have someone install it?

if you go to best buy
prob 50 bucks in labor + overpriced part
basically
its 4 screws on the back side of your computer
which are philips
or if you wanna get a rachet and socket its a 1/4
up to you..but idk why youd wanna get a ratchet lol
anyways
get 4 screws
disconnect it from the cd drive(s)
hard drive(s) which is most likely 1 in your case
and the mother board which is usually 2 connectors 1 is usualy by the cpu or the ram which is annoying as hell but its whatever
and the other one is random

and to reinstall...i usually put it in there
screw it back in and reconnect everything...but some people reconnect everything then put it back in but its whatever

How many watts of power supply is required for a gaming PC?

Honestly, 300W is more than enough for most entry-level to mid-range systems for up to GTX 1060.But it really makes little sense to pay $20 for a 300W PSU when you can get 450W Bronze 80+ units like the EVGA 450BT for $25. If you already have a decent 300W PSU, your only issue going higher than GTX 1050 Ti will be whether or not you have a 6-pin connector.Dual core i3 CPUs use about 50W max, while the i5 tends to run 65W. The only current mainstream i7 that uses more power than that right now is the i7–7700K, which has a TDP of 91W.Case fans and SSDs use about five watts each, so they don’t amount to much—I usually figure 40W total for MB, drives, and RAM—then add CPU and GPU TDP to get a very extreme power figure.So, for a quad-core i3–8100 and a GTX 1070, figure your 40W basis, and add 65W for the CPU and 150W for the 1070. This gives you a figure that exceeds the absolute max that your components could ever use all running simultaneously at full bore. The ballpark for this typical gaming system totals 255W.Your peak power efficiency is at 50% of the PSU capacity, with the sweet spot being 40% to 75%. For peak efficiency, you want your absolute peak possible output to be about 75% of the system’s rated capacity, which for our example comes in at 340W.Anything above that is overkill for a single-monitor system, but you definitely would rather err or on the high side, so even 400W is way more than enough. For a dual GPU 1070 SLI, you’ll want to add the 150W TDP for the second card and go with a 550W or 600W power box.Know that in using older hardware, power requirements can increase considerably. I just picked up a GTX 770 Founders’ Edition, which has a TDP of 250W, so I will be using a modular Rosewill Glacier 550W, mostly just because I don’t have any other PSUs with both an 8-pin and a 6-pin connector.

Does the PC's power supply affect performance in anyway (i.e. 300 vs. 500W)?

The only positive way that the power supply affects the performance of the computer... is that it allows the computer to power on and operate.Purchasing a larger power supply WILL NOT make the computer run faster, or make your graphics better, or make your processor stronger, or increase the amount or speed of your Ram, or increase your storage space or the rotational speed of the platters.So, although you started a very generic question, asking specifically if the power supply affects performance in ANY WAY... you then make it clear you aren't interested in how it affects the performance in any OTHER way, aside from increasing the total output of the unit.So, right up until the point where you include the information you were actually looking for... the answer was yes.  A working power supply means a working computer.  That, by default, is affecting performance.Again.  Replacing the power supply with a larger one.... and by larger, I mean an increased output, will not increase ANY performance variables.Yes... it has been noted that you might be forced to purchase a larger power supply, if you purchase a component that demands more power... as in purchasing a good video card that requires you to have at least a 450 watt PSU... but then it isn't the power supply that is increasing performance.  The video card is increasing performance.  The stronger power supply is just enabling it to function.So does replacing your power supply with a stronger one make the computer perform better in any measurable way?  Nope.  Well, that's a conditional "nope", because aside from the fact that the computer won't power properly with too weak of a PSU... it won't change anything else.

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