A few questions about Memory and Power Supply for MSI 975X Platinum Powerup Edit

Bought this Motherboard: MSI 975X Platinum Powerup Edition
975X Platinum V.2(7246-020)
I have a P4 CPU HT in it with 2 512mb sticks of DDR2 memory (533mhz).
I am upgrading to a Core 2 Duo 6600 CPU which has a 1066mhz FSB
What memory speed should I purchase to achieve the fastest bus speed without overclocking???
I get confused as my current memory is 533 which I guess on a Pentium 4 with HT cuts the FSB speed in 1/2 to 266mhz.
Any recommendations?
Do I need to buy Dual Channel or can I just buy 2 sticks?
Thank you
Peter

Quote from: /dot on 07-February-07, 15:46:41
Great info again guys!
I'll stay away from OCZ (I read it's more for overclockers).
@DryHeat:
I watched your sig, great setup! I'm planning for about the same setup (MSI 975x PUE, P180, C2D, ...). But will try a Scythe Ninja for CPU cooler and use an MSI graphic card (maybe 2 cards for 4 monitors in total).
Is your setup silent or just quiet? Makes a big difference for me.
What would you change now? And what is the most noisy component?
Sorry for all the questions but I'm not an expert and by budget does not permit me from making any mistakes.
The case fans create the most noise.  When they are all on "low" I an hardly hear them and have to shake the mouse to see if it's on, but on medium it sounds like a "standard" computer.  Not terrible, but not quite.  On high they are down-right loud.

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