DDR3 Ram on i7-6700k?

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Cris7861

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Nov 23, 2016
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Hello, this holiday season I want to upgrade my motherboard and CPU (i7-6700k)after having upgraded to a gtx 1070 a few weeks ago. However, I would like to keep my old DDR3 RAM, which is relatively new. I'm hoping to get this motherboard :
Asrock fatal1ty z170 k4/d3
and my ram is
G.SKILL Ripjaws X Series 16GB
As you know Intel doesn't recommend using 1.5 voltage for RAM but the fact that some mobo companies made ddr3 compatible motherboards makes me question that. Does anyone have some experience with this? Will it actually decrease my cpu lifespan and if so by how much do you guys think? Like would it be comparable to the decrease of lifespan by overclocking? Thanks for your input.
 
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synphul
Will it run? Yes. Will it cause damage over time? No telling, the cpu's only been out for around 16mo or so. No way of telling what will happen if anything in another year or 2 or 3. The motherboard companies do advertise ddr3, intel says to stick with ddr4 or ddr3L (low voltage ddr3). Those run at 1.35v and 1.2v respectively.

The trouble is the motherboard companies don't include the memory controller like they did in the past, it's built into the cpu so they can't really in good faith make promises for hardware they don't produce. That's my outlook on it. Assuming the worst case scenario, say it does in fact damage the cpu. Is asus or msi going to buy you a new $330 i7? Or will they say oh sorry, that's beyond our control - we don't...
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synphul

synphul

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Mar 11, 2011
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Will it run? Yes. Will it cause damage over time? No telling, the cpu's only been out for around 16mo or so. No way of telling what will happen if anything in another year or 2 or 3. The motherboard companies do advertise ddr3, intel says to stick with ddr4 or ddr3L (low voltage ddr3). Those run at 1.35v and 1.2v respectively.

The trouble is the motherboard companies don't include the memory controller like they did in the past, it's built into the cpu so they can't really in good faith make promises for hardware they don't produce. That's my outlook on it. Assuming the worst case scenario, say it does in fact damage the cpu. Is asus or msi going to buy you a new $330 i7? Or will they say oh sorry, that's beyond our control - we don't actually make the memory controller.

Intel may be covering their behind but they do manufacture k series cpu's as ready for overclocking rather than saying 'don't overclock'. They also offer overclocking insurance (additional protection plan). They do however suggest the limits for ram voltage since it affects the integrated memory controller. There must be a reason they went out of their way on that, otherwise they wouldn't have made any real comment one way or the other. In the past there have been dual ram boards for instance with lga775 which had ddr2 and ddr3 options during that ram transition. The difference was going from higher voltage ram to lower voltage rather than the other way around. Like if haswell had offered new boards with ddr4 with native support for 1.5v ddr3, going lower voltage moving forward is different than pairing a new processor with old ram and exceeding the specs.
 
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