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noob with power supplies - seeking recommendations for this setup

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May 2, 2008 4:26:40 AM

Im slowly replacing parts and ive gathered this so far and looking for a good power supply for it.

E8500
ASUS Maximus Formula
2 - 1GB OCZ DDR 667 (will upgrade later)
EVGA 7900 GT 512MB (will upgrade later as well)
2 250 WD 7200 hard drives
2 DVD/DVD burner drives


so im looking for a decent power supply, quiet, and has some room to accomodate future upgrades
probably will never go too overboard with additions so i dont need any 1000W recommendations, i was thinking in the 500-650 range unless someone can see a reason to get more.

thanks for any tips you guys can offer.
May 2, 2008 4:36:34 AM

A good quality 600w + will do the job. If you plan to run SLI then higher is advisable.
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May 2, 2008 4:43:35 AM

Make sure you get a good PSU by a major brand like Antec, Seasonic etc. There's a slighly outdated list of PSU's by tier's that still holds in identifying which manufacturer's put out good PSU's.

Don't get cheap power supplies. A cheap PSU can fry your motherboard and GPU if it fails, and won't deliver the wattage promised. Cheap is usually something like a barebones or sub $50 PSU by Raidmax etc.

Spend at least $99 for something that has enough amps on the 12 volt rail to support a graphics card upgrade later. If you plan on getting a really good graphics card later on, make sure the PSU has both 6 pin and 8 pin connectors for your PCIe 2.0 card.

For example, my 3870x2 needed both a 6 pin and an 8 pin connector, so my old Antec Neo 550 wouldn't work (two 6 pin connectors), so I got an Antec Neo 650 instead.

Nvidia might have a page on their website with recommended PSU's for each card. I looked at ATI's when upgrading for the new card.
May 2, 2008 5:20:09 AM

I -only- build out with PC Power & Cooling...anything else is less.
Under full load and on a scope they are the best bar none and top out even the Silverstone PSU's Falcon Northwest uses for their $5-15K+ builds.

With my DFI and AMD builds I average 50% OC's with everything on stock volts...while others with the same parts -other than- the PSU have to boost volts.

They are also 100% constant load rated...a Turbo 510 is in fact a far better unit than an OCZ 700.
The PC P&C 610's are a bargain.
May 2, 2008 1:57:57 PM

Ok thanks for the feedback and it seems these are some of the ones that are recommended.....you've seen pretty much what i have for parts, so now the question is what would be the best overall PSU....looking for a consensus....these are about what i want to spend so unless there is a major player in this price range missing i dont think we need to introduce any new ones.....if it was you which would you pick? thanks a lot for the help everyone.

ZALMAN ZM600-HP ATX12V V2.2 / EPS12V 600W Modular LED Heatpipe-Cooled SLI Power Supply 100 - 240 V cUL, CE, CB - Retail

SeaSonic S12 Energy Plus SS-650HT ATX12V / EPS12V 650W Power Supply 100 - 240 V UL, CE, CB, TUV, FCC - Retail

PC Power & Cooling S610EPS EPS12V 610W Continuous @ 40°C Power Supply 100 - 240 V UL, cUL, CE, CB, TUV - Retail

Antec NeoPower 650 ATX12V / EPS12V 650W Power Supply 100 - 240 V UL, CUL, CE, CB, FCC Class B, TUV, CCC, C-tick - Retail

a b ) Power supply
May 2, 2008 2:18:29 PM

Your Asus Maximus is an X38 mobo, i.e. Crossfire. I suggest you get a PSu that can handle two ATI cards and wait for ATI's next release, it should be soon. Then decide if you get one card or two.

I'm voting for this PSU:

PC Power & Cooling Silencer 750 Quad (Crossfire Edition)
http://www.newegg.com/Product/Product.aspx?Item=N82E16817341011&Tpk=Silnecer%2b750W

It's almost the same one level101 suggested, but this version has 6/8 pin connectors for the video cards. You'll need them for high-end cards in the future.

BTW, according to Anandtech, this is the best PSU they tested in 2007.
http://www.anandtech.com/casecoolingpsus/showdoc.aspx?i=3186
a b ) Power supply
May 2, 2008 2:30:01 PM

Of your list I'd go with the PCP&C.
!