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Help me OC my rig?

Last response: in Overclocking
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January 18, 2013 7:20:19 PM

Hello folks,

The rig I've bought is the following: http://pcpartpicker.com/p/xV9s

CPU: Intel Core i7-3770K 3.5GHz Quad-Core Processor ($229.99 @ Microcenter)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($24.99 @ Newegg)
Motherboard: ASRock Z77 Extreme4 ATX LGA1155 Motherboard ($114.99 @ Microcenter)
Memory: Kingston Black 16GB (2 x 8GB) DDR3-1600 Memory ($70.99 @ NCIX US)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($69.99 @ NCIX US)
Video Card: Sapphire Radeon HD 7850 2GB Video Card ($190.98 @ Newegg)
Case: Corsair 300R ATX Mid Tower Case ($67.41 @ Mac Connection)
Power Supply: XFX 550W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($53.99 @ NCIX US)
Optical Drive: Samsung SH-224BB DVD/CD Writer ($15.99 @ Newegg)
Operating System: Microsoft Windows 8 Full (64-bit) ($99.99 @ Newegg)
Total: $939.31


I was wondering if the PSU I've bought is good enough to OC the CPU and the video card. If not, what would you recommend.

In addition, is it worth OC'ing my memory?

Thanks

More about : rig

a c 106 K Overclocking
January 18, 2013 7:34:31 PM

Your power supply is more than enough to overclock with. Don't bother overclocking your RAM. The gains to an Ivy Bridge processor from going faster than DDR3 1600 are almost zero.
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January 18, 2013 7:45:50 PM

What about the power draw on my video card? If I want to OC both my CPU and GPU, will my PSU be strong enough?
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a c 106 K Overclocking
January 18, 2013 8:57:22 PM

The 7850 is a very low power card. The XFX power supply is a very good Seasonic made model. You are fine even with CPU and GPU overclocking. You could really run the HD 7850 on a good 400w power supply with no problems.

See this page:

http://www.guru3d.com/articles_pages/amd_radeon_hd_7850...

" Our test system is based on a power hungry Core i7 965 / X58 system. This setup is overclocked to 3.75 GHz. Next to that we have energy saving functions disabled for this motherboard and processor (to ensure consistent benchmark results). On average we are using roughly 50W to 100 Watts more than a standard PC due to higher CPU clock settings, water-cooling, additional cold cathode lights etc."

"Measured power consumption R7850
1.System in IDLE = 160W
2.System Wattage with GPU in FULL Stress = 256W
3.Difference (GPU load) = 96W
4.Add average IDLE wattage ~10W
5.Subjective obtained GPU power consumption = ~ 106 Watts"

So their entire system with an overclocked i7 965 ( pulls way more than your 3770K can ) is pulling 256 watts. Even overclocking everything you will be hard pressed to pull 250 watts at the wall.
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February 13, 2013 4:05:06 AM

Best answer selected by RMassoudi.
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