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I5 750 + single GPU, can't decide on a motherboard

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March 24, 2010 7:49:54 PM

Hello all techies! I'll try to keep it as short as possible..

I'm a first time builder here (new to most components). Over the last month I've been researching components for a new build. I'm trying to put together a gaming rig for around $1100k - $1300k.

So far, the only 2 components I have narrowed down would be the processor (want to use the i5 750) - NOT going to overclock it.
The other is the GPU. I'm pretty sold on the Radeon HD 5850. If my budget allows, I'd move up to the 5870 or even the 5970 (GPU will not be overclocked, and I will not be running in crossfire at this point in time).

For the life of me, cannot decide on a motherboard. I'll figure out ram and all the rest later, I just want to nail down a solid platform first.

*It's between Gigabyte and Asus (based on reviews, price, performance, etc)

*I want to run a single GPU with the option of crossfire in the future (at least x8/x8)

*was leaning toward Asus P7P55D Deluxe, but I've been reading about annoying noises made by this board

*know almost nothing of Gigabyte boards, but get mixed reviews of Gig's performance in comparison to a similar Asus board

Sorry if this was long winded. I know that there are many posts about Gig vs Asus, but it's mostly subjective input. And the responses I did find useful were minimal, as I haven't seen many threads about WHY a specific board is good or not.

Thanks TOO MUCH for any and all replies!

Best solution

March 24, 2010 7:53:01 PM

"If" your budget allows? $1,300 gets you quite a bit now days. Take a look at this entire build:

CPU: i5-750 and Asus P7P55D-E Pro $375
RAM: G.Skill Ripjaws 2x2 GB 1600 mhz CAS Latency 7 $115
GPU: HD 5870 $420
HDD: Seagate 7200.12 500 GB $55
PSU: Corsair 750W 80+ $90 after rebate
Case: HAF 922 $90 after rebate
Optical: Cheap SATA DVD burner $24
HSF (if OC): Coolermaster Hyper 212 Plus $35

Total: $1,204
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March 24, 2010 8:38:28 PM

MadAdmiral said:
"If" your budget allows? $1,300 gets you quite a bit now days. Take a look at this entire build:

CPU: i5-750 and Asus P7P55D-E Pro $375
RAM: G.Skill Ripjaws 2x2 GB 1600 mhz CAS Latency 7 $115
GPU: HD 5870 $420
HDD: Seagate 7200.12 500 GB $55
PSU: Corsair 750W 80+ $90 after rebate
Case: HAF 922 $90 after rebate
Optical: Cheap SATA DVD burner $24
HSF (if OC): Coolermaster Hyper 212 Plus $35

Total: $1,204



Yep, the 'if my budget allows' was basically tossed out there so that i could give / take a few items for better quality / performance. Like a better GPU. But the 5870 seems bada$$ enough.


But just out of curiosity, why did you opt for Asus P7P55D -E Pro over, say, the Gigabyte UD series? I read a lot of reviews about some high pitched 'whining' noise from that specific Asus board. Granted, they were mostly newegg reviews and I also hear that those reviews are to be taken with a grain of salt.

Anyway thanks again Mad, you seem to be all over this forum with wicked fast responses!
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March 24, 2010 9:41:29 PM

The Gigabyte's disable USB 3/SATA III speeds if you Crossfire. So you're paying them for both Crossfire and USB 3/SATA III, but only getting one.

As for that whining noise, it was a bad batch that lead to more bad reviews than necessary. I haven't heard of the problem outside of Newegg reviews (which are written by incompetent people).
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March 25, 2010 3:20:00 AM

MadAdmiral said:
The Gigabyte's disable USB 3/SATA III speeds if you Crossfire. So you're paying them for both Crossfire and USB 3/SATA III, but only getting one.

As for that whining noise, it was a bad batch that lead to more bad reviews than necessary. I haven't heard of the problem outside of Newegg reviews (which are written by incompetent people).



Sweet, another quick question tho..
The fastest the ram can be set at with that i5 750 is 1333Mhz right? So with that ram you specified would I be manually setting the speed in the BIOS or do the modules end up downclocking the speed automatically? Plug-and-play so to speak.

Sorry, noob here.

Anyway thanks for the build, looks amazing!

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March 25, 2010 11:13:41 AM

No, the fastest DEFAULT speed for the P55 chipset is 1333 mhz. That means when you drop in the 1600 mhz RAM, and leave BIOS set to "auto", the sticks will only run at 1333 mhz. You'll likely need to set them manually in BIOS to reach full speed. The maximum speed is the highest number listed in the specs of the board (2200 I believe).

It's a good idea to change the RAM settings in BIOS anyway, as improper RAM voltage, speed and timings is the most common error and is easily avoidable.
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March 25, 2010 12:22:08 PM

Great, thanks so much for your help.

And I'm going with that build!
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March 25, 2010 12:22:10 PM

Best answer selected by Tac339.
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