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post #1 of 25 (permalink) Old 12-09-2009, 09:33 AM Thread Starter
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power suppy ?

Might be a stupid ?, but how do I know what size power supply to get for my pc? My 500W took a shit, and I need another one. Barely lasted 2 years, but I guess it went out since I add a couple more HD and another optical drive. Don't know if I'll need a 550/600/650, etc. I have 4 HD, BR drive and a DVD writer,decent vidcard,sound card.


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post #2 of 25 (permalink) Old 12-09-2009, 09:39 AM
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Quote:
Originally Posted by Rafa View Post
Might be a stupid ?, but how do I know what size power supply to get for my pc? My 500W took a shit, and I need another one. Barely lasted 2 years, but I guess it went out since I add a couple more HD and another optical drive. Don't know if I'll need a 550/600/650, etc. I have 4 HD, BR drive and a DVD writer,decent vidcard,sound card.


thanks
1.21 gigawatts?
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post #3 of 25 (permalink) Old 12-09-2009, 09:41 AM Thread Starter
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I have the flux capacitor sitting in closet
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post #4 of 25 (permalink) Old 12-09-2009, 09:44 AM
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You may need to install a lightning rod on the roof of the house and hard wire it to the pc. Just don't burn the house down.

The flux capacitor is wasting away. Install it on the pc and you will see 3d porn. I promise.
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post #5 of 25 (permalink) Old 12-09-2009, 09:51 AM
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http://www.microcenter.com/single_pr...uct_id=0273362

Corsair 750 Watt - $119

Corsair makes some of the best, quietest, most efficient power supplies. They also have a 5 year warranty. I've used two of them and they are the only ones I look for now.

TX750W 750 Watt ATX 12V Power Supply

ShareThis Original Price: $164.99

Our Price: $129.99
You Save: $35.00
After Rebate: $119.99 after rebate savings
SKU: 374868
Mfr Part #: CMPSU-750TX
UPC: 843591000406
Availability:
18 in stock
at Dallas Metroplex/Richardson for 18 Minute In-Store Pickup (explain)







Enthusiasts looking for the optimal in price performance PSU technology will find the Corsair TX750W series of PSUs will meet even the most demanding of required specifications. The Corsair TX750W power supply is engineered using advanced technology and components typically found with high performance power supplies. SLI-Ready, 5-Year Warranty With design features such as a dedicated, single +12V rail offer the maximum compatibility with the latest system components. Energy efficient circuitry capable of delivering greater than 80% efficiency ratings across 20%, 50%, and 100% load conditions make the TX family of PSUs ideal for the value/quality conscious enthusiast. With a large 140mm diameter temperature-controlled fan that is ultra quiet, yet still more than sufficient to cool the internals of the system, reliability and stability are no longer worries for the gamer, overclocker or enthusiast and high-end system builder.

Product Specifications
Case Color Black
ATX Compliance ATX 12V version 2.2; EPS 12V compliant
Power Provided 750 Watts
Drive/Power Connectors (8) Molex 4-pin Connectors; (2) Floppy 4-pin Connectors; (8) Serial ATA Connectors
Motherboard Power Connectors (1) ATX 20+4-pin Motherboard Connector; (1) EPS/12V 4+4-pin Motherboard Connector
PCI-Express Power Connectors (4) PCI Express 6+2-pin Power Connectors
Wiring Type Black Mesh Cable Sleeves
Power Supply Cooling Fans 140mm Ball Bearing Fan
Input Current 10A @ 90VAC / 5A @ 264VAC
PFC Active Power Factor Correction (PF>0.99 at Full Load)
Input Voltage AC 90V/264V
Input Frequency Range 50Hz/60Hz
Efficiency 80% at Typical Load
Load Range [email protected]; [email protected]; [email protected]; [email protected]; [email protected]
Protection Over Current/Voltage/Power Protection, Under Voltage Protection, and Short Circuit Protection
Dimensions (WxDxH) 5.9" x 6.3" x 3.4" (150mm x 160mm x 86mm)
Manufacturer Warranty 5 Year Limited Warranty


Rebate Details
$10.00 Corsair Memory mail-in rebate

View and print rebate (PDF)

Starts: 12/07/2009 Ends: 01/03/2010
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post #6 of 25 (permalink) Old 12-09-2009, 10:13 AM
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If you do not need it today, go to Newegg.com, they have great prices and can ship pretty quick if need be.

They've done studies you know.... 60% of the time, it works every time



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post #7 of 25 (permalink) Old 12-09-2009, 10:40 AM
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I bought a Corsair 750 from Fry's for $89.99 a few weeks ago, but I think that was a sale price. That was instore, no rebates.

You can get a decent idea of what size you need by filling out the info here:
http://educations.newegg.com/tool/psucalc/index.html

It doesn't hurt to get one larger that you need. I like to get a PSU with one big 12v rail instead of 2 or 3 smaller ones.

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post #8 of 25 (permalink) Old 12-09-2009, 10:53 AM
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500w is probably enough. Most people seem to way over buy on a power supply. You can look on line for power supply calculators and go from there.

My cousin has a really nice quad core processor, 4hd, dvd, blu ray, and a pretty nice video card and runs 500w. He does 3d rendering (architect) and has no problems.

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post #9 of 25 (permalink) Old 12-09-2009, 10:56 AM
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Quote:
Originally Posted by bullitt54 View Post
I bought a Corsair 750 from Fry's for $89.99 a few weeks ago, but I think that was a sale price. That was instore, no rebates.

You can get a decent idea of what size you need by filling out the info here:
http://educations.newegg.com/tool/psucalc/index.html

It doesn't hurt to get one larger that you need. I like to get a PSU with one big 12v rail instead of 2 or 3 smaller ones.
I dont think that is quite right. According to it, I need a 1600w power supply and Im running a 450w just fine. Plays Call of Duty 2 jsut fine with all sorts of junk in the background running


edit... my bad. Chose the wrong processor. When you switch from the AMD phenom x4 to AMD phenomII x4, you drop 1000w

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post #10 of 25 (permalink) Old 12-09-2009, 11:33 AM
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Quote:
Originally Posted by bullitt54 View Post
I bought a Corsair 750 from Fry's for $89.99 a few weeks ago, but I think that was a sale price. That was instore, no rebates.

You can get a decent idea of what size you need by filling out the info here:
http://educations.newegg.com/tool/psucalc/index.html

It doesn't hurt to get one larger that you need. I like to get a PSU with one big 12v rail instead of 2 or 3 smaller ones.
That's a good price. Was it the TX or HX, which has the modular connectors.

The Corsair I listed above is the hx and it also has the one large 60A rail. Plus, Microcenter is close by.
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post #11 of 25 (permalink) Old 12-09-2009, 11:44 AM
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yes, it is a stupid question....













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post #12 of 25 (permalink) Old 12-09-2009, 12:06 PM Thread Starter
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yes, it is a stupid question....














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post #13 of 25 (permalink) Old 12-09-2009, 12:16 PM Thread Starter
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I used that site and it told me 583W. So should I get a 600W? I also leave the pc on, I hardly ever turn it off.

thanks
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post #14 of 25 (permalink) Old 12-09-2009, 01:08 PM
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post #15 of 25 (permalink) Old 12-09-2009, 01:58 PM
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Quote:
Originally Posted by line-em-up View Post
That's a good price. Was it the TX or HX, which has the modular connectors.

The Corsair I listed above is the hx and it also has the one large 60A rail. Plus, Microcenter is close by.
TX, the non-modular one, it was a bitch tucking away the extra cabling.

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post #16 of 25 (permalink) Old 12-09-2009, 02:02 PM
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Originally Posted by Rafa View Post
I used that site and it told me 583W. So should I get a 600W? I also leave the pc on, I hardly ever turn it off.

thanks
Most online psu calcs over estimate by quite a bit and that's the max if you were using everything at 100% (proc running full speed non-stop, all HDs spinning, optical drives all going, vid card maxed out) so you should be safe with a 600w, of course there is no harm in buying a larger 650 - 750 if the cost isn't too much more.

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post #17 of 25 (permalink) Old 12-09-2009, 02:10 PM
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Quote:
Originally Posted by bullitt54 View Post
You can get a decent idea of what size you need by filling out the info here:
http://educations.newegg.com/tool/psucalc/index.html
Crap, did not see your post when I made mine.

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post #18 of 25 (permalink) Old 12-09-2009, 02:12 PM
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In general, it is best to over estimate a PSU. Yeah, the calcs take into account somewhat unrealistic situations - however, you'll be able to grow with it. Also, if you over estimate you can sometimes just use it on your next PC and just buy a cheapy for your old PC. Which makes your expensive PSU have a 5 or more year life span.

I'm a PC Power and Cooling fan myself. Pricey, but good.

pcpowerandcooling.com

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post #19 of 25 (permalink) Old 12-09-2009, 02:58 PM Thread Starter
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Took the advice a got one a little higher than what I had. Picked it up at Fry's for $109.

http://www.newegg.com/Product/Produc...82E16817139005
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post #20 of 25 (permalink) Old 12-09-2009, 03:01 PM
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It won't hurt to by a higher wattage unit. It is only going to draw as much current as it needs to supply a load, so a 1000W won't really use anymore power than a 500W if you have them both connected to the same PC.

If you buy just enough, you can't expand.

If you use one that it working at it's rated power, it may not last as long because the parts are working at the edge of their design capability.
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post #21 of 25 (permalink) Old 12-09-2009, 03:03 PM
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Quote:
Originally Posted by Rafa View Post
Took the advice a got one a little higher than what I had. Picked it up at Fry's for $109.

http://www.newegg.com/Product/Produc...82E16817139005

For $10 more you could have gotten the modular 750W. Oh well. You'll be happy with that one.
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post #22 of 25 (permalink) Old 12-09-2009, 03:04 PM Thread Starter
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Originally Posted by line-em-up View Post
For $10 more you could have gotten the modular 750W. Oh well. You'll be happy with that one.

Yea, I needed it yesterday. Didn't want to wait.


thanks
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post #23 of 25 (permalink) Old 12-09-2009, 04:02 PM
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Quote:
Originally Posted by Newegg
NOTE:
The PSU Wattage we recommend only gives you a general idea on what to consider while selecting a power supply. PCI cards, External devices, USB and Firewire devices, Cooling fans and other components may need more power.

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post #24 of 25 (permalink) Old 12-09-2009, 08:01 PM
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That was a good PSU you chose. Stay away from full modular power supplies. You want your main high voltage +12 rails to be hard wired. Modular connectors increase resistance and decrease voltage accuracy and regulation. Your top dollar PSU's will be a hybrid - the main power rails are hard wired, component cables are modular.

example:
http://www.newegg.com/Product/ImageG...Power%20Supply
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post #25 of 25 (permalink) Old 12-09-2009, 10:26 PM
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That may be true, but it's nice not having all of the cables you don't need to have to worry about. How much does that one you posted cost?
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