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Tom's Hardware > Forum > Systems > New Build > [Solved] Need Help deciding PSU

[Solved] Need Help deciding PSU

Forum Systems : New Build [Solved] Need Help deciding PSU

Best answer from Twoboxer.

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Recently, the motherboard from my old Dell computer stopped working. I've decided to upgrade the system, replacing most of the old parts. Since this is my first time building a computer, I'm not sure which power supply to buy. Previously, my Dell PSU was 375W.
The items I'm buying include:

ASUS P7H55-M PRO LGA 1156 Intel H55 HDMI Micro ATX Intel Motherboard: http://www.newegg.com/Product/Prod [...] 6813131623

G.SKILL 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Dual Channel Kit Desktop Memory Model F3-10666CL9D-4GBNQ: http://www.newegg.com/Product/Prod [...] 6820231190

Intel Core i5-750 Lynnfield 2.66GHz 8MB L3 Cache LGA 1156 95W Quad-Core Processor BX80605I5750: http://www.newegg.com/Product/Prod [...] 6819115215

COOLER MASTER Elite 330 RC-330-KKN1-GP Black SECC ATX Mid Tower Computer Case: http://www.newegg.com/Product/Prod [...] 6811119115

Western Digital WD5000AAKS Caviar Blue Hard Drive - 500GB, 7200rpm, 16MB, SATA-300, OEM: http://www.tigerdirect.com/applica [...] SD-500AAKS

I plan on using my old video card: EVGA GeForce GT220 1GB DDR2 http://www.tigerdirect.com/applica [...] CatId=3669

I was thinking of buying this 430W power supply: http://www.tigerdirect.com/applica [...] No=1389575

So will 430W be enough for this computer? Thank you in advance!


Message edited by pyromanlac on 11-02-2010 at 11:59:30 PM
Reply to pyromanlac
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Should be, your graphics card isn't too meaty so i doubt it sucks much power. I have a 5770 on a 400w Corsair and it works fine, makes use of the 80 plus power efficiency :3

------------------------------ Rig-Msi 870 GM mobo- AMD Phenom II X4 940 @3.3Ghz- ATi 5770 Core @900MHz RAM @1300MHz-5 Gigs of G.Skill DDR3 1333- WD 250GB Boot HDD 7200RPM- WD Green Drive 1TB 5400RPM- Sony DVD/CD drive- 400W Corsair PSU- Custom wood Case-20" LCD- 20" AOC LED Backlit
Reply to notsonoobPCguy

I guess 430w will do. thank you :)

Reply to pyromanlac
Best answer

The issue isn't the wattage - 430W is enough. The issue is this power supply is just awful:

http://www.hardwaresecrets.com/art [...] view/990/1

Bad/flaky PSUs are the cause of more than half of the hardware issues resolved here. PLEASE don't risk the rest of your rig with a psu like this.

If budget is a real issue, try this one:

http://www.newegg.com/Product/Prod [...] 6817139017

Otherwise, quality 430W psus cost about as much as 5XXW psus, so my preference would be to recommend:

http://www.newegg.com/Product/Prod [...] 6817151094

Reply to Twoboxer

Oh just looked at the PSU you linked, yea I wouldn't go with that one. One of the only reasons that I can run all my gear on my 400w is that its quality :3 Get a Corsair or the SeaSonic that Twoboxer has linked.

------------------------------ Rig-Msi 870 GM mobo- AMD Phenom II X4 940 @3.3Ghz- ATi 5770 Core @900MHz RAM @1300MHz-5 Gigs of G.Skill DDR3 1333- WD 250GB Boot HDD 7200RPM- WD Green Drive 1TB 5400RPM- Sony DVD/CD drive- 400W Corsair PSU- Custom wood Case-20" LCD- 20" AOC LED Backlit
Reply to notsonoobPCguy

Thanks for the advice! I'll take that into consideration.

Reply to pyromanlac

Any time your looking at buying a PSU and you see that little red voltage select switch, PASS ON IT. Old design that isn't worth the money you'd spend on it. The FX-60, 8800GT, and even the Celeron 300A all have their place in history, its about time these PSUs do the same.

------------------------------ The voice of REASON
Do NOT feed the TROLLS!
Always a DEMON!
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