Tom's Hardware > Forum > Motherboards & Memory > Gigabyte > GA-MA785GM-US2H RAM Voltage Range?

GA-MA785GM-US2H RAM Voltage Range?

Forum Motherboards & Memory : Gigabyte - GA-MA785GM-US2H RAM Voltage Range?

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darkfa8   11-02-2009 at 03:27:54 PM

I'm looking at purchasing RAM to use on this prospective motherboard. Gigabyte's website lists a specification of 1.8VDC for the DDR2 RAM. However, some of the RAM that they have in their approved memory list is rated at a higher voltage.

I looked through the online manual and couldn't find any information on what RAM voltages this board will fully support.

Can anyone point me to the correct information?

thanks!

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Silver Motherboards badge bilbat   11-02-2009 at 03:46:34 PM

All DDR2 is essentially DDR2-800 JEDEC specified to run at 1.8 volts; faster DDR2 is simply overclocked/overvolted to enable higher clocks. Most 1066 and 1200 is spec'd at 2.1 volts, and I believe that the AMD on-die memory controllers place an upper limit there, at 2.1; you might want to avoid RAM that may need to run 'hotter' (OCZ and Kingston come to mind...); we've had pretty good results here with G.Skill F2-8500CL5D:
http://www.newegg.com/Product/Prod [...] 6820231166
which will typically do its spec'd 1066 at a half a tenth under its spec'd 2.1 volts...

If you elect to go with RAM faster than JEDEC's 800, I believe you are also limited to two DIMMs...

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darkfa8   11-02-2009 at 05:07:27 PM

I plan to go for 2 x 2gb modules. I'm just looking to get the most bang for my buck and am on the fence as to whether or not to go with the DDR3 board and memory for better performance for the money.

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