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Which PSU should I buy?

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Last response: in Components
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March 13, 2012 12:57:25 AM

Building a new system, well.. actually just upgrading the one I have by alot. Currently the only decent part in my computer is 1x gtx 550 ti fpb. Anyways.. in the next two weeks i'll be buying a bunch of new parts. I'll link them below, I was wondering what power supply I should get under ~$130 to support an i7-2600k, GTX 550 Ti FPB SLI, and a 7200 RPM 500gb hardrive/~50g SSD.

Case: COOLER MASTER HAF 932 Advanced Blue Edition

GPU: 2x GTX 550 Ti FPB

Motherboard: ASUS Maximus IV Gene-Z

Monitor: ASUS VS248H-P Black 24" HDMI LED Backlight Widescreen LCD Monitor

CPU: Intel Core i7-2600K Sandy Bridge 3.4GHz 95W

CPU Cooling: CORSAIR H80 (CWCH80) High Performance Liquid CPU Cooler

SSD: OCZ Agility 3 AGT3-25SAT3-60G 2.5" 60GB SATA III MLC Internal Solid State Drive (SSD)

Ram: CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600

tl: dr, building a new system, need a cheap powersupply that won't fry my system and will support everything smoothly for under $130 USD

Also, any ideas/suggestions on any of the parts would be appreciated. (I already have the i7 2600k)

More about : psu buy

March 13, 2012 1:13:30 AM

There are so many power supplies rated to handle this build that are under $130.00 to mention. I count 35 on Newegg.com alone. I would aim for a quality built power supply rated at 700 to 800 watts with (personally) a single rail 12 volt power system. Everyone kind of has their bread and butter power supply vendors they go to, but many of them make good and bad power supplies within their models from one year to the next so blanket statements like "get a corsair" or "get an enermax" should be ignored. Try to find some models you are considering and do your homework. Read about that model in particular and you can steer closer to what you want. But even within a model, the manufacturer can make changes throughout the sales of the model that can change the result for the better or for the worse. Make sure you read the power supply label and go over the exact details of the ratings as well. Once you have narrowed that down, THEN post what you are considering and maybe we can have another talk.

At this point, your request is too vague to truly answer. But if you want to know what I put in a similar build (for the wife), I went with a Cooler Master GX 750W, if you just want the short answer. Cheap, but good build, and will easily power the build.
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a c 267 ) Power supply
March 13, 2012 1:13:45 AM

For 2 x GTX 550 Ti cards in Sli a good 600 - 650 watt power supply would be fine. If you plan on upgrading the cards in the future then you might want something like 750 watts. Corsair, Seasonic, PC Power and Cooling, XFX, Silverstone, Enermax, OCZ and Antec are all quality brands.

Here are some good ones.

http://www.newegg.com/Product/Productcompare.aspx?Submi...
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Related resources
March 13, 2012 1:15:27 AM

Antec EarthWatts Platinum 650w - http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Rosewill CAPSTONE 750w - http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Both are 120 bucks. Both will power your rig without issue. Both are on the same level in terms of performance. The only differences are that the Antec is a 650w and 80plus platinum while the Rosewill is 750w and 80plus gold. Ed. Both are non-modular.

If I had to choose between the two, I would probably choose the Antec since its modular.
Whoops, for whatever reason I thought the new Antec EarthWatts were all modular...
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March 13, 2012 1:17:52 AM

anort3 said:
For 2 x GTX 550 Ti cards in Sli a good 600 - 650 watt power supply would be fine. If you plan on upgrading the cards in the future then you might want something like 750 watts. Corsair, Seasonic, PC Power and Cooling, XFX, Silverstone, Enermax, OCZ and Antec are all quality brands.

Here are some good ones.

http://www.newegg.com/Product/Productcompare.aspx?Submi...


Please remove PCP&C and OCZ from your list.
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March 13, 2012 1:21:36 AM

IDK about PCP&C but the OCZ Z series and the -xtstream ii are both good PSUs, though the latter one is being phased out I think.
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a b ) Power supply
March 13, 2012 1:24:08 AM

Corsair TX750M, would be an excellent choice. You might want to check out XFX as well, but anyway I think you will be just fine with corsair

Cheers
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March 13, 2012 1:25:10 AM

fb39ca4 said:
IDK about PCP&C but the OCZ Z series and the -xtstream ii are both good PSUs, though the latter one is being phased out I think.


The only reason reviewers tolerate the Z series is because it will at least do it's rated wattage. Anything outside the Z series with OCZs name on it has been pretty terrible. PCP&C is a joke now... OCZ owns them and hasn't touched the product line since they were bought out.
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March 13, 2012 1:39:55 AM

anort3 said:
Pease educate yourself about power supplies before posting nonsense.

Find a bad one.

http://www.realhardtechx.com/index_archivos/Page1418.ht...

http://www.realhardtechx.com/index_archivos/Page1373.ht...

OCZ had some bad models years ago but has since improved.


Sirtecs are okay, but they are certainly not the top of the mark. Also, just because a PSU turns on and doesn't cause your computer to explode doesn't qualify it as a good PSU. OCZ (Sirtec) just doesn't compete with Antec (Delta), Seasonic, and Super Flower right now. However, they are getting better. (so is everyone else though).

At least remove PCP&C from your list and specify "OCZ Z series." The rest of their line is still junk. Fortunately, I think we are going to see PSU manufacturers hit a wall with innovation (It's kinda hard to be more efficient than 100%...). Hopefully that will mean that even the non-premier brands will offer 80plus platinum with less than 50mv of ripple on any given rail and tighter than 1% voltage regulation as well.
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a c 267 ) Power supply
March 13, 2012 1:46:01 AM

The PC Power and Cooling Silencer ( Seasonic ), Silencer MkII ( Sirtec ) and Silencer MKIII ( Seasonic ) are all very good to excellent and are the only models they still sell. Even their Win-Tact made Turbo Cools were decent. They will remain a brand I use and recommend.
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March 13, 2012 1:46:08 AM

Thanks for all the replies, http://www.newegg.com/Product/Prod [...] 6817151088 this ones really looking nice!, i'm going to do a bit more research before I buy anything. Thanks all:) 
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