1.65v kingsom memory on Asus Motherboard will it work?

I have just bought the Asus P8Z77-V LE PLUS motherboard, and went to this list to try to find out what memory that matches.

http://dlcdnet.asus.com/pub/ASUS/mb/LGA1155/P8Z77-V_LE_PLUS/P8Z77-V_LE_PLUS-Memory-QVL.pdf

There i found some Kingston memory that should match KINGSTON KHX1600C9D3K4/16GX(XMP) 16GB ( 4GB x4 ) DS - - - 1.65V

Some one on a norweigain forum said to me that i should by ram that is 1,5v, not 1.65v .. So i am just wondering have i messed up? Or will it work just perfect?

The cpu if that matters is a Intel® Core i7-3770K Processor Socket-LGA1155, Quad Core, 3.5Ghz, 8MB, Boxed w/fan
4 answers Last reply
More about kingsom memory asus motherboard work
  1. Ideally, 1.50v RAM is recommend on Intel since the Sandy Bridge's introduction and the same holds true on the Ivy Bridge. Truth is the voltages that degrade a CPU over time are both the vCore and VCCSA (VCCIO) or CPU & IMC voltages. So as long as your kit can successfully run using a VCCSA (VCCIO) of 1.20v or less, try 1.10v, then you should be fine.

    Personally, I prefer DDR3L RAM (1.35v) which is significantly less stressful on the CPU.
  2. jaquith said:
    Ideally, 1.50v RAM is recommend on Intel since the Sandy Bridge's introduction and the same holds true on the Ivy Bridge. Truth is the voltages that degrade a CPU over time are both the vCore and VCCSA (VCCIO) or CPU & IMC voltages. So as long as your kit can successfully run using a VCCSA (VCCIO) of 1.20v or less, try 1.10v, then you should be fine.

    Personally, I prefer DDR3L RAM (1.35v) which is significantly less stressful on the CPU.


    Do i have to do any thing when have mounted them in the motherboard? Or will the motherboard take care of the settings itself?

    If i do not change any thing , could it harm the computer in any way? Or is the only concern that if i had bought some other memory sticks that they would have preformed a little better?
  3. I don't believe that Kingston kit offers a 'SPD' with 800MHz (DDR3-1600) for default, so to achieve the Rated DDR3-1600 you'll need to add the following in the BIOS:
    AI Overclocker -> XMP / Profile 1

    Considering that you have a 1.65v and as stated above I'm pretty sure the RAM will default to 667MHz (DDR3-1333) @ 1.50v 'SPD', you yes you could leave everything at Auto.

    CPU-z: the image on the (left) is what's actually running, and on the (right) the available 'SPD' and 'XMP' settings available to the RAM e.g. XMP-1600. CPU-z - http://www.cpuid.com/softwares/cpu-z.html


    DDR3-1333 vs DDR3-1600 real world not much of a difference, but here's a nice article (synthetic test aren't real world) - http://www.bit-tech.net/hardware/memory/2011/01/11/the-best-memory-for-sandy-bridge/1
  4. Note: It would be prudent to stress the CPU and verify that you can achieve the full Turbo clocks of your CPU. For the Core i7-3770K it's 3.9GHz. Use AIDA64 Extreme to stress test and verify the clock speed - http://www.aida64.com/downloads

    On some CPU's unless you have the full Rated CPU memory speed, in your case DDR3-1600 you might lose 100~200 MHz. So compare AI Overclocker -> (XMP vs Auto).
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