installing 2400 MHz or 2133 MHz ram on i7 4770

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kumarsaurabhraj

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Jun 8, 2013
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Hello i bought an i7 4770 for my new build (i am an entry level developer and i needed TSX, VT-d and other technologies which are not in the k version).
I am new to overclocking RAMs and cpus. I have read that RAMs that have voltage above the recommanded voltage of the memory controller of the cpu slowly degrades the memory controller of the cpu and causes permanent damage to it.
1.> My first question is what is the ram voltage range for i7 4770? I tried googleing it but did'nt found some good results.

I have read that to install rams above 1600MHz one needs to overclock the cpu memory controller. I want to install 2133MHz ram or 2400MHz.

2.> My second question is that will this cause any harm to my cpu?

Again i read that increasing the BCLK frequency is required for overclocking the ram and the cpu overclocks simultaneously.

4.> My i7 4770 can;t be overclocked beyond 3.9 GHz which is the turbo limit so does this mean i won't be able to get 2133MHz or 2400MHz?

Please help me out,
I know very little about overclocking so i am confused.

All answers are welcomed.

Regards
 
Solution
Lord_Kitty
Intel recommend using 1.5V for memory modules since the Nehalem CPUs. But you can use memory voltages as high as 1.65V.

The reason for that is that voltage too high will slowly kill the memory controller, though it is over a long time. But if you go above 1.65V, you will be running the risk of burning something. Also, your motherboard has to support it. But that won't be a problem if you bought a good one.

But you have to consider that the performance gains above 1600MHz is minimal, which does not justify the higher price you are going to pay for the modules.



As for overclocking, your CPU is not an unlocked model. You'll be better off to leave it at its stock speed. Usually, for overclocking, you have to disable Turbo Boost and...
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Lord_Kitty

Lord_Kitty

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May 31, 2013
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Intel recommend using 1.5V for memory modules since the Nehalem CPUs. But you can use memory voltages as high as 1.65V.

The reason for that is that voltage too high will slowly kill the memory controller, though it is over a long time. But if you go above 1.65V, you will be running the risk of burning something. Also, your motherboard has to support it. But that won't be a problem if you bought a good one.

But you have to consider that the performance gains above 1600MHz is minimal, which does not justify the higher price you are going to pay for the modules.



As for overclocking, your CPU is not an unlocked model. You'll be better off to leave it at its stock speed. Usually, for overclocking, you have to disable Turbo Boost and SpeedStep.

When you overclock by increasing the BCLK, you are making EVERYTHING go faster on your motherboard. The PCI/PCIe lanes, memory etc... will be put to stress, not just the CPU.

Anyway, you won't be able to overclock too much with that CPU. Its better to just leave it at its stock speeds.
 
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