It is not recommended practice among most A+ certified techs to mix 
brand names. RAM performs best when it is paired as closely as possible 
(e.g. brand, speed settings, etcetera), especially if you intend to use 
Dual Channel (bank interleaving on two or more sticks). Any differences 
in RAM chip performance will really stick out then. Close RAM pairing 
becomes even more important when you move up the performance scale from 
your typical end user to a monster gaming rig or a server.

Philip Billena wrote:
> good day!
>
> just like to ask if i can use two 512 ram with different manufacturer in my pc.thnks
>
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