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Need help choosing mobo and psu

Last response: in Systems
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June 1, 2010 3:47:04 PM

Hi guys, I`m almost ready to order my build and I`m stuck between the mobo and psu. Everything else is done and the system is looking good. Here is the base system:


Antec Mini P180 White Steel MicroATX Mini Tower Computer Case


XFX HD-577A-ZNFC Radeon HD 5770 (Juniper XT) 1GB 128-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFireX Support Video Card

Intel Core i5-750 Lynnfield 2.66GHz LGA 1156 95W Quad-Core Processor Model BX80605I5750

G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-4GBRL

SAMSUNG Spinpoint F3 HD502HJ 500GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive

SAMSUNG DVD Burner Black SATA Model SH-S223L LightScribe Support - OEM

COOLER MASTER Hyper 212 Plus Intel Core i5 & Intel Core i7 compatible RR-B10-212P-G1 120mm "heatpipe direct contact" Long ...


Microsoft Windows 7 Home Premium 64-bit 1-Pack for System Builders - OEM


This leaves out the mobo and psu. I plan on overclocking the cpu and maybe the gpu. According to this link the psu needs 450 watts and 37 amps. I doubt I`ll upgrade to a 5970 and will probably go for a 6000 series later on.

With this in mind what do you guys recommend for a psu? Here is one I have been looking at but I am not sure how to judge it`s quality over the others.

For the mobos, I`m stuck between this Gigabyte and this MSI. Help me chose one of them and please state why.

More about : choosing mobo psu

June 1, 2010 9:09:56 PM

You should probably fill out the info in the sticky, link in my sig, if you want help.

Hard to recommend PSU and mobo if we don't even know if you plan on xfire in the future, or what the system is used for or budget...
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June 1, 2010 10:23:24 PM

Nice choice of case.
GA-P55M-UD2 got an editors choice award over @ AnandTech.
MSI P55M-GD41 wasn't in that review. MSI P55M-GD41 website. It might be new on the market since I didn't find any reviews on the web and MSI didnt list any on it's website. They usually do put links to MB reviews on the site.

OCZ Fatal1ty 550W is right sized for any single video card now and in the future.
If you think you'd like to double up 5850s or a future Crossfire/SLI option a larger PSU with 4 PCI-e power connectors is a good idea.
Hard to go wrong with the CORSAIR 750TX. And its still a relative bargain with the rebate and free shipping.

I'll check and see if there are any clearance issues with the P180 mini case on the Hyper 212+ cooler.
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June 1, 2010 10:47:23 PM

asus p55 d -deluxe mobo and Ultra X 4 PSU check out newegg nd Tigerdirect!
I personally use Tgerdirect over New egg cause of free shipping and no sales tax!!
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June 1, 2010 11:03:51 PM

The asus p55 delux is listed closer to $200.00 on newegg.ca. That's out of my budget. The MSI and Gigabyte linked above are closer around the $100.00 range.

I'm trying to decide which one except I don't know what to look for to determine which is better.
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June 1, 2010 11:15:04 PM

the gigabyte board is much better.
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June 1, 2010 11:18:12 PM

WR2 said:
Nice choice of case.
GA-P55M-UD2 got an editors choice award over @ AnandTech.
MSI P55M-GD41 wasn't in that review. MSI P55M-GD41 website. It might be new on the market since I didn't find any reviews on the web and MSI didnt list any on it's website. They usually do put links to MB reviews on the site.

OCZ Fatal1ty 550W is right sized for any single video card now and in the future.
If you think you'd like to double up 5850s or a future Crossfire/SLI option a larger PSU with 4 PCI-e power connectors is a good idea.
Hard to go wrong with the CORSAIR 750TX. And its still a relative bargain with the rebate and free shipping.

I'll check and see if there are any clearance issues with the P180 mini case on the Hyper 212+ cooler.


Tom's Hardware has a thread posting GPU requirements. You can view it here.

I look at the 5970 and it recommends a 650 watt psu with 54 amps. Now let's look at the OCZ 550 watt psu and under specifications it says the +12V1 rail is 25A and 25A for the +12V2 rail. It's possible I may be reading this wrong but does this make it a 550 watt, 50 amp psu? Wouldn't that be below what is required for a 5970?
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June 1, 2010 11:41:22 PM

The 5790 is a double video card in one package.
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June 1, 2010 11:55:38 PM

Best answer selected by vizering.
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