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I7+5850 build psu questions

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November 27, 2009 3:43:51 PM

Hello, well i am getting a new pc built ( i7 920/5850/6gb ddr3), and i am having a local computer guy build it. i had originally planned to get a HAF 932. and a corsair 750 w, but for some reason he recomended i not get that case and that that psu wouldn't work. SO today he sent me a price quote, and i see he put a "BLACK MID TOWER ATX WITH 1050 MAX WATT PS 1 $165.0"....... Now i am assuming that that psu isnt going to be the best quality... Im looking on newegg atm, i see that case for 89$, now id like to find a psu that would work with this build. Sorry if i sort of rambled on in this thread, im too excited to form correct sentences.

thanks.
a c 144 ) Power supply
November 27, 2009 5:12:43 PM

A Corsair 750 - either of them (TX or HX) - will work just fine for an i7 system in a HAF932.

For that matter, a Corsair 650TX would work nicely unless you eventually plan on putting in two big, power hungry video cards.

I think your computer guy is trying to maximize his profit.
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November 27, 2009 5:32:09 PM

Yea that was my original thaught also, Thanks for the help. I had orignaly put a 750 corsair on my list, but he had said it wouldnt work properly...which was the opposite of what other people had told me. My worry is that if i buy all t he parts something wont work with another..
a c 248 ) Power supply
November 27, 2009 5:52:34 PM

One video card or two video cards operating in dual mode?

The general rule of thumb is a high quality 500 to 550 watt power supply with sufficient current (amps) on the 12 volt rail(s) can easily power a system with any single video card made. A high quality 700 to 750 watt power supply with sufficient current (amps) on the 12 volt rail(s) can power a system with two video cards operating in dual mode. There are a few exceptions like the new ATI Radeon HD 5XXX series cards which use less power due to their energy efficiency.

A high quality 500 to 550 watt psu will have a +12 volt rail rated at 40 amps. A high quality 700 to 750 watt psu will have a +12 volt rail rated at 60 amps.

Corsair, PC Power & Cooling, and Seasonic are some of the brands that have a reputation for high quality power supplies that consistently earn high marks in technical reviews. They are reliable, stable, and come with a 5 year warranty. Some of the newer models come with a 7 year warranty. Lately we've been seeing a few other brands offering some high quality units. An example would be the Antec Earthwatts series which is an improvement over Antec’s older series psu’s.
November 27, 2009 5:59:13 PM

Alright, thankyou. I am being sure that these parts work with this psu, do they?


CORSAIR CMPSU-750TX
http://www.newegg.com/Product/Product.aspx?Item=N82E168...


i7 920
Intel Core i7-920 Bloomfield 2.66GHz LGA 1366 130W Quad-Core Processor Model BX80601920 - Retail

ASUS P6T SE LGA 1366 Intel X58 ATX Intel Motherboard - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

COOLER MASTER HAF 932 RC-932-KKN1-GP Black Steel ATX Full Tower Computer Case - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
a c 248 ) Power supply
November 27, 2009 6:22:06 PM

Yes, the components you selected are compatible.

I have the Coolermaster HAF 932. Ventilation, airlfow, and cooling are excellent. The case is huge. It's a beast!
!