Memory voltage. Can you use 2v RAM in 1.8v sockets

  jacksticks 11:44 20 Feb 10


I am currently building my first PC. I just have the RAM to go. My motherboard is the Giga-Byte GA-EP41-UD3L. It has four Dimm sockets that support 1.8v Memory. I have seen a 2GB dual channel kit which runs at 2v, would I be able to use this?

The 2v memory seems to be cheaper?

Any help would be great!!!!

  bremner 12:00 20 Feb 10

Have a read of this click here

  jacksticks 12:06 20 Feb 10


Still a little confused, although eventually it seems the 2v RAM worked without making any adjustments in the BIOS so I reckon I will take a chance.

Thanks very much!

  retep888 12:45 20 Feb 10

This is official RAM QVL from Giga-Byte
click here

Can you post a link to your 2.0V 2GB dual channel kit ?

Although there is a good chance it'll boot with the new Ram but if it's running with lower voltage that means it's running with lower speed so what's the point?

A high end motherboard's bios is designed to protect and stop booting if it detects any irregularities while I don't know if your Giga-Byte has this facility.

If your motherboard continues to boot with higher voltage fed to new Ram without adjustment to cpu/dram ratio,there is a slight chance of frying your CPU.(I could be wrong,of course)

Other forum members may give better suggestions.

  jacksticks 14:48 20 Feb 10



This is the link to the RAM

click here

It actually mentions it comes in a 1.8v version but I cannot find this anywhere!!

Thanks again.....

  retep888 15:38 20 Feb 10

In that case,it should be ok.

I think it's configured to run at higher latency of CL5-5-5-15 at 1.8V but can be overclocked to lower latency at CL4-4-4-12 at 2.0V.

You might have to adjust some settings in Bios if it doesn't boot up.

However you can use this 4GB from Corsair click here guaranteed to work first time round.

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