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First time building, suggestions wanted.

Last response: in Systems
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October 15, 2010 5:29:21 PM

Hi, thanks in advance for any help.

I recently purchased 2 Gainward GTX 460 2GB to replace my old 9500GTs and a 1000W power supply to feed them. However, after installing them the machine would cut power after a few minutes of being turned on. I assume it is the mobo that is causing this problem.

Would it be possible to salvage my cpu and avoid having to completely upgrade my PC to support the GTX 460s?

My current machine:

CPU: Intel Core 2 Quad Q9550 @ 2.83Ghz
MB: Asus P5N-E SLI
Case: Unknown
GPU: Nvidia 9500GT x2 (SLI)
PSU: 350V, unknown make
Memory: Corsair Value Select 8GB (4 x 2GB) 240-Pin DDR2
HDD: 750 GB Seagate Barracuda

What I intend to build:

CPU: Intel CPU i7 870 Quad Core Processor
http://www.scan.co.uk/Products/Intel-Core-i7-870-Lynnfi...

MB:Asus P7P55D-E PRO Intel P55 Express 1156 Motherboard
http://www.scan.co.uk/Products/Asus-P7P55D-E-PRO-P55-Ex...(OC)-USB-30-SATA-6Gb-s-SATA-RAID-ATX

Case: NZXT Lexa S Black Mid Tower Computer Case
http://www.scan.co.uk/Products/NZXT-Lexa-S-Black-Mid-To...

GPU: 2GB Gainward GTX 460 x2(SLI)
http://www.scan.co.uk/products/2GB-Gainward-GTX-460-360...

PSU: 1000W iCute Modular ATX Quad VGA Power Supply
http://www.maplin.co.uk/Module.aspx?ModuleNo=221202&Ord...

Memory: Corsair Memory XMS3 8GB DDR3 PC3-16000 (2000) Dual Channel Desktop
http://www.scan.co.uk/Products/8GB-(2x4GB)-Corsair-XMS3-DDR3-PC3-16000-(2000)-Non-ECC-Unbuffered-CAS-9-10-9-27-165V

Would this be ok, or should I use different parts/ more parts?
October 15, 2010 5:57:39 PM

The problem has more than one aspect IMO

1. Your mobo
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
650i chipset is 8/8 on PCIex16 gen 1.0/1.1 and there would be between a big to huge performance hit when SLIing current GPUs

Here was data relevent: multi GPU (CF in this case) pciex16 gen 1.0/1.1 vs gen 2.0
Study the P35 vs X48 column


2. Connectivity check with PSU? Is the 6/8 pin PCIe connected via PSU to GPU? State model/make of PSU
Related resources
October 15, 2010 6:02:42 PM

Whoops didn't catch that PSU model lol Ya get something like what obsidian86 suggested - hands down more dependable than an ICute!
October 15, 2010 6:12:58 PM

Your CPU is very good, wait a little for the new ATI 6 series and get a single more powerful video card (and a PSU). If you get a single card you can get away with 650W.
!