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Assistance Needed with First PC Build (Gaming PC)

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  • Systems
Last response: in Systems
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December 16, 2011 7:39:11 PM

Hey guys, my first post here, but I joined because I needed some advice from someone more experienced in building PC's.

This is my first build, and I'm hoping to spend as little as possible.

The Problem: My christmas present this year will be to build my very first PC, as such, I've already purchased these parts:
1 Cooler Master Elite 430 Mid Tower Case - Link here
1 AMD Phenom X2 565 (Unlocked to X4) - Link here
1 ASUS Crosshair IV Formula Mobo - Link here
1 Corsair CMZ8GX3M2A1600C9 8GB 1600MHz CL9 DDR3 Vengeance Memory Two Module Kit - Link here
1 Sapphire HD5670 1GB GPU - Link here

The system I am building is using Blue Fans, and the case is mainly just for show.
The problem I am having is I intend to upgrade the GPU from the one listed above, to the following one:
1 Sapphire HD6870 1GB - Link here

I am worried that due to the fact that the GPU is a higher model than the 5670 I already have, the built PC will need a higher wattage PSU than I have ordered.
Am I being stupid?

System Usage: I'll be using the PC for fairly heavy gaming for around 6-8 hours per day, maybe longer.
Preferred Website(s) for Parts: I only want to use www.amazon.co.uk.
Country: England, United Kingdom
Overclocking: Maybe, what do you recommend?
Monitor Resolution: 1360x768

Thanks!

More about : assistance needed build gaming

December 16, 2011 11:47:31 PM

You didn't give any info on your power supply to figure out whether it is adequate or not. With a 6870 you should have a 600watt minimum and would probably be better off with a 680 through 800 watt PSU. 800 would leave room for another 6870 as an upgrade later on.
December 17, 2011 10:39:46 AM

blazorthon said:
You didn't give any info on your power supply to figure out whether it is adequate or not. With a 6870 you should have a 600watt minimum and would probably be better off with a 680 through 800 watt PSU. 800 would leave room for another 6870 as an upgrade later on.


Sorry about that, must've left that out! Here's the power supply I've purchased:
Corsair CX600 600w Builder's Power Supply
Related resources
December 17, 2011 12:38:40 PM

For 1 6870? You could use a 430w! You don't need 600w as a minimum!
Just saying, but I would always go over not under, so I agree with that PSU.
December 17, 2011 1:04:47 PM

also that mobo is overkill .. just saying :) 
December 17, 2011 6:43:33 PM

We do realized you have already purchased. :)  You will not need a higher PSU for a 6870.
!