Can I mix 1.9v and 1.8v memory?

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marshmellar

Honorable
Oct 23, 2013
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Hi I have this memory right now:

http://www.newegg.com/Product/Product.aspx?Item=N82E16820220280
(Patriot Cas 5 DDR2 800 4gb (2x2) 1.9v)

My motherboard supports RAM anywhere from 1.8v-2.1v.

Could I add this memory to my system without having to do anything special? (I have Dual Channel right now on my two sticks).

http://www.ebay.com/itm/Patriot-Memory-2GB-2X1GB-DDR2-800MHz-PC2-6400-DIMM-Memory-Module-PSD21G8002-/390680886860?pt=US_Memory_RAM_&hash=item5af6653e4c
(Patriot Cas 5 DDR2 800 2gb (1x1) 1.8v)
 
Solution
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Probably. There is never a certainty when mixing RAM until you try. I would give it probably a 90% chance of working. You will want to run them at 1.9v and that should not hurt the 1.8v kit. DDR2 is good to about 2.1v-2.2v with no risk.
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Deleted member 217926

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Probably. There is never a certainty when mixing RAM until you try. I would give it probably a 90% chance of working. You will want to run them at 1.9v and that should not hurt the 1.8v kit. DDR2 is good to about 2.1v-2.2v with no risk.
 
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David HaLevi

Reputable
Aug 8, 2014
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I would not recommend it I had mixed 1.8V & 1.9V Sticks in my motherboard for about 6 months the 1.8V sticks are now dead. I had ordered them from ebay they were 4) Corsair CM2X2048-6400C5 sticks but I never noticed the different voltages until just today. The 1.9Volt sticks work just fine but if I try the 1.8v sticks I get random freezing reboots and so on. I actually replace motherboard think that was bad.
 
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