Originally Posted by
MacBoero
Doesn't the choice between 2+1 or matched 2+2 really depend on whether or not the motherboard has dual channel memory architecture?
Newer Intel CPUs don't care that much; with 2+1GB in the same memory channel the first 2GB will be dual-channel and the last 1GB will be single-channel.
Older ones may have problems. No idea about AMD.