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1600Mhz memory runing at 1333Mhz on GA-H77-DS3H

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November 17, 2012 11:12:15 AM

I have Kingston HyperX 4GB x 2 KHX1600C9D3/4GX Ram and Gigabyte GA-H77-DS3H.

My motherboard Support 1600Mhz but still I see 1333Mhz in bios.

Please help me how can I achieve rated 1600Mhz without overclocking?
November 17, 2012 11:18:58 AM

That ram is rated for 1600mhz at 1.65v. If I'm not mistaken, ivy bridge cpu or the Z/H77 chipset is compatible with 1.5v kits however you can always overvolt in your bios to achieve the 1600mhz.
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November 17, 2012 11:21:10 AM

very often the motherboards doesn't recognize the ram. So it just puts them at 1333mhz. You can go into bios and change that :) 
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November 17, 2012 11:22:33 AM

If nubsauce is right and its 1.65 V, I would get rid of it, such as selling to a friend or online, or throwing it in an AMD build. 1.65V put heavy strain on intel CPU's causing them to die much faster. It also instantly voids the warranty, although I'm not sure how Intel would find out if you used 1.65 V ram.
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November 17, 2012 11:23:26 AM

Also, forgot to mention, if it isn't 1.65 V ram, you can just go into bios and set an XMP profile.
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November 17, 2012 11:24:14 AM

I had earlier used GA-H77M-D3H.

In that if I changed the mode to Turbo it will show 1600MHZ. But on this motherboard even in turbo mode its the same 1333MHz.

Does changing the voltage overclock it? I use my desktop for mostly browsing only and works for many hours a day, so i need to keep it quite, cool and less on power.
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November 17, 2012 11:36:57 AM

Don't change what the ram is operating at, look for the XMP profile in your bios and change it to that. Should be in one of your settings somewhere in the RAM area. Once you do that, your motherboard should automatically start running the Ram at the correct clocks.
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