Memory Configuration?

logan77

Honorable
Feb 29, 2012
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I have an Asus P8Z68-V LX Motherboard and An Intel Core i5 2400 Processor. I am currently running 2x2gb of Kingston DDR3 Memory.

My Question is if I can uprgade with 2x4gb DDR3 Memory to bring the total to 12gb.

Is there a problem?
Does it matter what brand, speed, etc. I get?
Should I put the 4s and 2s in specific slots?

Thanks in advance,
Logan77