Are you wondering if Intel’s Skylake Processors support DDR3 RAM? The straight answer to that question is Yes and No.
According to Intel, Skylake processors do support the use of DDR3 RAM that’s why there are 1151 motherboards on the market that use DDR3 RAM.
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It does not support all kinds of DDR3 RAM. First and foremost, Skylake processors are intendedly designed to work with DDR4 RAM or simply, RAM with low voltages. So when it comes to DDR3 RAM, Skylake processors only supports DDR3L types of RAM. Those are DDR3 RAMS with low voltages. For example, the i7-6700k supports DDR3L with 1.35V.
Why can’t I use DDR3 RAM with higher voltages?
In full honesty, Skylake processors paired with 1.5V DDR3 RAM may still work… that’s why the motherboard brand like Gigabyte still manufactures 1151 motherboard that supports 1.5V DDR3 RAMs BUT do keep in mind that this is considerably like overclocking the integrated memory controller that is specifically designed to work with RAMs that has low voltages like the DDR4 or DDR3L. So to make things simple, prolonged use of DDR3 RAMs with high voltages of more than 1.35V will definitely cause permanent damages to these Skylake processors.
So all and all, if you plan to upgrade to SkyLake processors, you better grab a DDR4 RAM and stop reasoning out that you should still be able to use your DDR3 RAM. This is to simply avoid and prevent headaches.
BossMac’s Notes: We have a couple of DDR3 motherboards in the labs that have been using higher-specced DDR3-2400 RAM running 1.65v and so far no detrimental effects have been observed. While these systems have only been used sporadically, they have been exposed to the same workload as our other systems. That said, that final statement above can be treated as theoretical as of this moment as we’ve yet to hear report of damage Skylake chips by using DDR3 DIMMs.