Motherboards & Memory Speed?

[I Need Pc Help]

Im building a PC on PCPartPicker i have picked Intel Core i3-4350 3.6GHz Dual-Core Processor Asus Z97-E ATX LGA1150 Motherboard G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-2400 Memory and it says this at the bottom The G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-2400 Memory operating voltage of 1.65V exceeds the Intel Haswell Refresh CPU recommended maximum of 1.5V+5% (1.575V). This memory module may run at a reduced clock rate to meet the 1.5V voltage recommendation, or may require running at a voltage greater than the Intel recommended maximum. I Have 2400 Speed on the Memory and it says this on the motherboard DDR3-1333 / 1600 / 1866 / 2000 / 2133 / 2200 / 2250 / 2400 / 2600 / 2666 / 2800 / 2933 / 3000 / 3100 / 3200 So why is it like this?

 

[MystoPigz]

The numbers under the motherboard specifications are all the memory speeds that the motherboard can support. Your motherboard can support DDR3-2400 memory. Your CPU officially supports DDR3-1600 memory, meaning it can support DDR3-2400, but it can't run that speed. Your ram will just run at lower speeds to meet the 1.5V voltage recommendation.

 

[barto]

MystoPigz is correct but needs to add a little more. While the native support is 1600, you can buy faster RAM and overclock it to it's rated 2400 MHz. That may require increasing the voltage to support the faster speeds. All that is done in the BIOS under the XMP profile.

Also, you don't have to buy 2400 MHz RAM. It will do little in gaming. You would most likely see the same performance in a 1866 or 2133 MHz kit which may not require increasing the voltage.

 

[Tradesman1]

While yes the mobo can support up to 2400 (or higher) that's based on the chipset of the mobo. The primary factor in what DRAM you can run is the MC (memory controller) which is in the CPU, making the CPU the determining factor. To run 2400 sticks (at 2400) generally calls for a K model CPU or a very strong non K model, maybe a 4790. With a 4350 I'd guess 1600 tops may 1866

 

[I Need Pc Help]

The numbers under the motherboard specifications are all the memory speeds that the motherboard can support. Your motherboard can support DDR3-2400 memory. Your CPU officially supports DDR3-1600 memory, meaning it can support DDR3-2400, but it can't run that speed. Your ram will just run at lower speeds to meet the 1.5V voltage recommendation.

So how can i fix this?

 

[Tradesman1]

1.5 and 1600 is the suggested voltage/data rate for the Haswell CPUs at stock... in the mobo specs the little '(OC)' beside the higher data rates indicates a OC of the MC and CPU may be required, your CPU has a locked multiplier so effectively to OC you need to do it through the BCLK, which isn't going to give a high enough OC to run at 2400 without going to extremes. Better off with 1600 sticks