Question on RAM and cpu

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ZacharyH

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Aug 30, 2015
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So i already have a RAM stick the Kingston HyperX Fury Blue (along with some various other parts) and I am thinking about getting an i7-6700k cpu but this error popped up when i was assembling things together on PCPartPicker:

The Kingston HyperX Fury Blue 8GB (1 x 8GB) DDR3-1866 Memory operating voltage of 1.5V exceeds the Intel Skylake CPU recommended maximum of 1.35V+5% (1.417V). This memory module may run at a reduced clock rate to meet the 1.35V voltage recommendation, or may require running at a voltage greater than the Intel recommended maximum.

Is this something that i need to be concerned with?
 
Solution
raisonjohn
It's because your RAM stick is DDR3 (higher voltage), while the i7-6700K (Skylake) CPU natively supports DDR4 (lower voltage).

There were some Skylake motherboards that were manufactured with both DDR3(L) and DDR4 way back when the CPU was released then -- but to this date, everything has been DDR4 on Skylake and Kaby Lake motherboards.

My advice is to change your RAM stick(s) to DDR4, depending on which Skylake/Kaby Lake motherboard you will get. Since you are getting an i7-6700K, it's logical to get a Z170 motherboard (supports 2133, 2400, and higher than 2666MHz++ DDR4 RAM).
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raisonjohn

raisonjohn

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Feb 22, 2015
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It's because your RAM stick is DDR3 (higher voltage), while the i7-6700K (Skylake) CPU natively supports DDR4 (lower voltage).

There were some Skylake motherboards that were manufactured with both DDR3(L) and DDR4 way back when the CPU was released then -- but to this date, everything has been DDR4 on Skylake and Kaby Lake motherboards.

My advice is to change your RAM stick(s) to DDR4, depending on which Skylake/Kaby Lake motherboard you will get. Since you are getting an i7-6700K, it's logical to get a Z170 motherboard (supports 2133, 2400, and higher than 2666MHz++ DDR4 RAM).
 
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Solution
Sakkura

Sakkura

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Aug 22, 2011
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DDR3L is just DDR3 running at 1.35V. There is no fundamental technical difference between them.
 
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ZacharyH

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Aug 30, 2015
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Thanks for thee info I will sell it the stick i already have to my brother who has ddr3.
I thought that only the board was the important thing that needed to support ddr3 but, THE MORE YOU KNOW





 
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