Best System Power Supplies for Computer

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Wize has searched all the product sites to find the best and worst products. We have read 20,798 System Power Supply reviews from 39 sites.

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APC BE550G 330-Watt Power Supply

$70.00 Est. at Amazon

from www.amazon.com
by adding the software, you can have it safely shut down the computer after a specified amount of time on battery power, as well as monitor your system.
from www.amazon.com
i ordered this for my new computer, and we had a power flicker just a few hours after i set it up!
from www.amazon.com
for years, friends knowledgeable about computers had advised me to get a battery backup, but having weathered several power outages with little consequence, i thought it an unnecessary expense.
from www.amazon.com
the kid at the computer shop recommended a ups system for me after the expensive, high-end power supply burned out on the homemade computer, and apparently caused some other difficulties along the
from www.amazon.com
comes with software and connects to the computer, it shuts down the computer automatically if you're not able to.

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Positives: Wattage: 330 Watt, Exterior Color: Black

2 RECOMMENDED by 14 people for COMPUTER

Corsair Memory CMPSU-620HX 620W ATX EPS12V PS/2

$206.00 Est. at Amazon

from bill from lagrangeville, ny, clickfrom.buy.com
it has a fan that sucks hot air out of the computer case.
from Steve from Bear, DE, clickfrom.buy.com
however, i was unpleasantly surprised to find that this is easily the loudest part in my computer.
from www.newegg.com
plus it carries a 5 year warranty.cons: noneother thoughts: the corsair 620w power supply unit fits the lian li pc-v1000bplus ii black aluminum atx mid tower computer case like a glove.
from www.newegg.com
with most retail floppy drives these days.other thoughts: so many people buy high powered parts for their computers and then spend $xx on a cheap power supply and wonder why things don't work right.
from www.newegg.com
i was surprised not to see at least a partial front vent, but i guess that forces air out the back and away from the computer except it's sucking hot air from across my nice big zalman cpu heatsink,

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Positives: Wattage: 620 Watt, Compatibility: ATX, Single Fan

3 RECOMMENDED by 28 people for COMPUTER

Corsair Memory TX650W 650-Watt Power Supply

$110.00 Est. at Amazon

from www.amazon.com
i just recently built a computer and put in this monster power supply ,it's worked wonderful,no computer glitches or anything like that,five months in.
from www.amazon.com
when it comes to building a computer system, corsair products are a must for me.
from www.amazon.com
i'll let the other 50 reviewers tell you about how this works in a computer, which i'm sure it excels at.
from www.amazon.com
replaced the 400w power supply in my htpc with the corsair 750w power supply and my computer seemed to come alive!
from mehappy, www.newegg.com
the case i got has just enough room for me to hide the rest of the cables, but i think it's worth the mention for any newb computer builders (like me) who are reading this review.

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Positives: Wattage: 650 Watt, Compatibility: ATX 12V, Single Fan

4 RECOMMENDED by 18 people for COMPUTER

Corsair Memory CX400W CMPSU-400CX 400-Watt Power

$70.00 Est. at Amazon

from www.amazon.com
the geforce 9600 gso i added) beautifully, runs cool and quiet, has a power switch, and has long cables and plenty of cable ties (plus a "powered by corsair" sticker to put on your computer!).
from N/A, www.newegg.com
psu was slightly shorter in hieght so it left a small gap in the computer case but not real noticable.
from buzzy, www.newegg.com
i replaced the power supply in my computer due to noise that the power supply was making in my ham radio.
from dp1228, www.newegg.com
other thoughts: wish i would have started with this power supply on my mission to quiet my computer.
from Shumbunque, www.newegg.com
corsair power supplies are the one part of your computer on which you can splurge for the absolute best will full confidence and not break the bank.

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Positives: Wattage: 400 Watt, Compatibility: ATX

5 RECOMMENDED by 38 people for COMPUTER

Corsair Memory TX 750W Power Supply CMPSU-750TX

$155.00 Est. at Amazon

from bvrev.compusa.com
my main concern when hooking this up is not having a computer when i plugged it in, but that didn't happen and i am throughly impressed.
from www.amazon.com
i just recently built a computer and put in this monster power supply ,it's worked wonderful,no computer glitches or anything like that,five months in.
from www.amazon.com
when it comes to building a computer system, corsair products are a must for me.
from Mister Squishy, www.newegg.com
i wanted the best power supply for my new computer, but i'm not running a raid or slied video cards, so i ended up with a whole octopus of extra cords and connectors wadded into a ball in the 5.25"
from AdmiralSirJohn, www.newegg.com
in comparison to my computer's original power supply, the ambient noise level is more than double.

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Positives: Wattage: 750 Watt, Compatibility: ATX 12V, Single Fan

Dell PPCS500D 783068500049 500-Watt Power Supply

$89.00 Est. at Amazon

from www.amazon.com
i am a probably just a little above a novice when in comes to the internals of a computer but this took me about 10 minutes to install and with a picture of the cable plugins before i uninstalled the
from C, www.newegg.com
long story short, it was the power supply which was too low in voltage for all the peripherals on my computer, which caused it to mess up the ram.
from www.amazon.com
i'd been burning through second hand power supplies for quite some time, and it's amazing how much better everything runs when you get a power supply that has enough "umph" for you computer.
from www.amazon.com
this product was easy to install for all of us out there that are not computer whiz's.
from www.amazon.com
if you have this computer and going to install this psu, put it in upside down (where the label with all the specifications on it is on the bottom).

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Positives: Wattage: 500 Watt, Compatibility: EPS12/ATX12, Single Fan

Thermaltake PurePower W0070RUC 430-Watt Power

$48.00 Est. at Amazon

from www.tigerdirect.com
a three year warranty that helps me later on use it on another computer if need be.
from www.tigerdirect.com
it's quiet, no problems, and the price was great compared to local pricing in the computer stores.
from www.tigerdirect.com
i recommend it for small computers (in terms of energy consumption).
from www.tigerdirect.com
i will install this supply in friends computers when their orginal supplies die.
from www.amazon.com
it has the power you need for all but the hardcore computers.

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Positives: Wattage: 430 Watt, Compatibility: ATX, Exterior Color: Black, Dual Fan

Corsair Memory VX550W 550-Watt Power Supply

$90.00 Est. at Amazon

from www.amazon.com
i just recently built a computer and put in this monster power supply ,it's worked wonderful,no computer glitches or anything like that,five months in.
from www.amazon.com
i searched for an 80 + rated power supply to reduce heat build up in my computer case.
from MB, www.newegg.com
i spoke with customer service because when i received it, the computer would not turn on, it was actually a bad mb (gigabye p35 intel).
from www.amazon.com
however, i'm really impressed with this corsair, it is very quiet and here is an example of my computer setup:
from www.amazon.com
the absolutely best power supply i have ever owned since i became involved with computers twenty years ago

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Positives: Wattage: 550 Watt, Compatibility: ATX, Single Fan

Zalman Tech ZM750-HP 750-Watt Power Supply

$150.00 Est. at Amazon

from GOAHunter, www.newegg.com
would recommend to anyone who has a power hungry computer.
from gregr, www.newegg.com
i don't want my computer to glow.
from Hollywood502, www.newegg.com
i love a whisper quiet computer :d
from Yaboo, www.newegg.com
stays very cool, and quiet.i built 6 computers in the 8 or so years for family and friends.
from N/A, www.newegg.com
i'm using this in my daw/recording computer and needed something that was as quiet as i could get without breaking the bank.

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Positives: Wattage: 750 Watt, Compatibility: ATX, Single Fan

OCZ PPCS500 500-Watt Power Supply

$78.00 Est. at Amazon

from johnny canuck, www.newegg.com
my experience is that unless your a gameboy (sorry, my computers are for work - if i had time to waste on games, i'd spend it with my family, or learning something useful), then the power draw on the
from rzkesp, www.newegg.com
it doesn't effect anything since i am typing from the computer right now it is working with.
from N/A, www.newegg.com
i can finally sleep with my computer on, my old psu was loud and it actually was warm to the touch and semi-heated my room.
from N/A, www.newegg.com
powered my computer just fine.
from t_nguyen206, www.newegg.com
its the loudest thing on my computer.

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Positives: Wattage: 500 Watt, Compatibility: ATX

Ultra Products Lifetime Series Pro 650-Watt Power

$84.00 Est. at Amazon

from www.tigerdirect.com
i would definitely buy another one for my next computer.
from www.tigerdirect.com
got this for my 1st computer build.
from www.tigerdirect.com
as a side note, if you purchase from ultra make sure you have an extra psu or another computer because to get an rma they require you to e-mail the purchase invoice of the bad psu.
from www.tigerdirect.com
i also bought xfx 680i and intel q6700 quad as a package and built myself a new computer.
from www.amazon.com
i just built by intel q6700 quad core computer with all the goodies - mother xfx 680i.

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Positives: Wattage: 650 Watt, Compatibility: ATX, Single Fan

Corsair Memory CMPSU-520HX CMPSU520HXEU 520-Watt

$157.00 Est. at Amazon

from www.amazon.com
this power supply was a five star purchase when i bought it but about six or so months later my computer shut off and there was a really bad smell coming from the power supply.
from Stooge, www.newegg.com
modular cabling allows only those leads needed to be used, neatening up the computer and probably helping airflow.as was stated in an earlier review, the voltages are very close to spot-on.since
from www.amazon.com
in the future any supplies in any of my computers , this will be the supply i use.
from www.amazon.com
it is a great psu, runs quiet, and unless the computer is doing some serious crunching it stays cool.
from www.amazon.com
but i had to file 3 of 4 holes in my computer case for it to fit.

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Positives: Wattage: 520 Watt, Compatibility: EPS12/ATX12, Single Fan

Corsair Memory VX450W 450-Watt Power Supply

$96.00 Est. at Amazon

from bvrev.compusa.com
ordered vx450 wed deliverd fri installed in 15 min.along taking out old antec 350w power supply the vx450 is a little quiter the loudist fan in my computer is my cpu fan that came with my mobo a
from bvrev.compusa.com
however, i took my time and replaced cables on the computer's components one by one, and i really had no problem.
from FrontBoard, www.newegg.com
other thoughts: i picked up a competing sub-400w supply for my computer to try quiet it down a bit.
from N/A, www.newegg.com
also the first power supply (i'm a computer technician, i ran across just a few) that i can truly say looks good.
from Dman, www.newegg.com
unless you are an it profession , run a computer shop , are a certified electrician, or an electrical engineer you should never rate yourself higher than average understanding , under the "tech

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Positives: Wattage: 450 Watt, Compatibility: ATX 12V, Single Fan

Silverstone Strider ST400 ATX 400-Watt Power

$55.00 Est. at Amazon

from Mike Lierman, www.newegg.com
i built a computer a customer and the power support is absolutely silent.
from James, www.newegg.com
other thoughts: most standard computer that you buy from a retailer have weak power supplies, usually around 250 or 300 watts at best.
from X, www.newegg.com
pros: used this in an htpc build; my first time actually building a computer.
from PSU know-nothing, www.newegg.com
pros: works great and has more than enough power for my modest little hp computer.
from Blk Cat, www.newegg.com
pros: i did not get this model when i built my computer 3?

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Positives: Wattage: 400 Watt, Compatibility: ATX, Exterior Color: Black, Single Fan

Corsair Memory CMPSU-1000HX 1000-Watt Power Supply

$325.00 Est. at Amazon

from N/A, www.newegg.com
i live in arizona and it already is hot when i sit by my computer but when i turn the system on and play for about 4 to 5 hours this thing makes my leg feel like it is on fire but i know my system
from www.amazon.com
this power supply was a five star purchase when i bought it but about six or so months later my computer shut off and there was a really bad smell coming from the power supply.
from Yel, www.newegg.com
this psu has dual every thing from transformers to regulators meaning that if one side of it fails, the other side could keep your computer up and running.
from Al, www.newegg.com
the power supply is as important as anything else ina computer and a failed one can wipe out everything
from www.amazon.com
it is a great psu, runs quiet, and unless the computer is doing some serious crunching it stays cool.

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Positives: Wattage: 1000 Watt, Compatibility: EPS12/ATX12

Corsair Memory CMPSU-850TX 850-Watt Power Supply

$186.00 Est. at Amazon

from N/A, www.newegg.com
still haven't built the computer that it was purchased for so don't know how long its going to last.
from Lewy, www.newegg.com
850 w is enough to supply practically all top performance computers.
from J. Chan, www.newegg.com
(weird design of the coolermaster haf 932) but there is always enough connectors for the various things in my computer.
from ruiner, www.newegg.com
other thoughts: stop paying for cheap psu's that put your computer at risk!
from Skeeves, www.newegg.com
but i don't care what my computer looks like.

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Positives: Wattage: 850 Watt, Compatibility: EPS12/ATX12, Single Fan

Thermaltake ToughPower W0172RU ATX12V & EPS12V

$215.00 Est. at Amazon

from Dave, www.newegg.com
other thoughts: i always tell people you buy and put your money into all those other computer parts, a solid decent power supply is really what can make or break a system, so something good is always
from N/A, www.newegg.com
this is such a great unit, if i upgrade computers i'll take this unit out and us it in the new one.
from rhir, www.newegg.com
it powered up on my first attempt to start up my computer.
from N/A, www.newegg.com
if so buy this !!!has everything you need for newer high end computers.
from N/A, www.newegg.com
pros: quiet - powerful - lots of connectors to power more than you could ever even fit inside of a case - it powers my super computer very well cons: none for me.

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Positives: Wattage: 850 Watt, Compatibility: ATX 12V, Single Fan

Apex Digital AL-B200SFX 200-Watt Power Supply

$27.00 Est. at Amazon

from www.newegg.com
i can imagine this supply would be perfect for a shuttle computer.
from www.newegg.com
with a second hard drive and additional memory, it became marginal, and the computer acted like it.
from www.newegg.com
fits perfectly into computer.
from www.newegg.com
my customer was very sastified.i have also recommended this to several others who have brand name, micro-atx computers with factory underpowered p/s as a necessary replacement.
from www.newegg.com
comments: i bought this from a discount computer store for $70!!!!!!

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Positives: Wattage: 200 Watt, Compatibility: ATX 12V

ModXStream Pro OCZ700MXSP 700-Watt Power Supply

$106.00 Est. at Amazon

from 1RustyinPa, www.newegg.com
the rebate does not power your computer and a product should not have deductions made for rebate problems with the manufacture.i know i certainly look at these reviews about the product quality and
from Lemiwinks, www.newegg.com
it easily reaches the connector if put over the motherboard, which is what i did since i wont be running my computer with the side panel off or constantly looking at it.overall this is a great
from ajw1980, www.newegg.com
my computer is much quieter with this power supply installed.
from mapfelzweig, www.newegg.com
other thoughts: power supplies are the last thing you want to skimp on in a computer.
from Calamity_Jane_MI, www.newegg.com
other thoughts: normally when i'm about to start shopping for computer parts i do a lot of reading.

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Positives: Wattage: 700 Watt, Compatibility: EPS12/ATX12, Single Fan

Ultra Products ULT40070 X3 Modular Power Supply

$438.00 Est. at Amazon

from bvrev.compusa.com
note: if you're installing the psu inside a case where the psu mounts on the bottom (such as the thermaltake spedo case), be sure to have the computer elevated a bit off the floor to prevent the air
from bvrev.compusa.com
only downside to this psu is the 80mm fan on the front can be a tad noisy if your computer is right next to you.
from www.amazon.com
1200 watts is enough for most any computer that one could configure.

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Positives: Wattage: 600 Watt, Compatibility: ATX, Single Fan

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Electronics

System Power Supplies

Best System Power Supplies for Computer

APC BE550G 330-Watt Power Supply

Corsair Memory CMPSU-620HX 620W ATX EPS12V PS/2

Corsair Memory TX650W 650-Watt Power Supply

Corsair Memory CX400W CMPSU-400CX 400-Watt Power

Corsair Memory TX 750W Power Supply CMPSU-750TX

Dell PPCS500D 783068500049 500-Watt Power Supply

Thermaltake PurePower W0070RUC 430-Watt Power

Corsair Memory VX550W 550-Watt Power Supply

Zalman Tech ZM750-HP 750-Watt Power Supply

OCZ PPCS500 500-Watt Power Supply

Ultra Products Lifetime Series Pro 650-Watt Power

Corsair Memory CMPSU-520HX CMPSU520HXEU 520-Watt

Corsair Memory VX450W 450-Watt Power Supply

Silverstone Strider ST400 ATX 400-Watt Power

Corsair Memory CMPSU-1000HX 1000-Watt Power Supply

Corsair Memory CMPSU-850TX 850-Watt Power Supply

Thermaltake ToughPower W0172RU ATX12V & EPS12V

Apex Digital AL-B200SFX 200-Watt Power Supply

ModXStream Pro OCZ700MXSP 700-Watt Power Supply

Ultra Products ULT40070 X3 Modular Power Supply

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