4Gb of RAM @ 400

(Note: I've read and searched on this forum... and didnt find definitive answers. Very fine community you have in here; lot of useful information! )
I'm buying a Neo2 and I really need 2Gb of RAM right now. I assume that next year; i'll need more... so I'll upgrade then to 4Gb.
Right now, I would buy 2x1Gb DDR3200 DIMMs ; and then... fill the remaining two slots later.
But... the manual says we cant use 4 double-sided DIMMs at DDR400 speeds.
Are there good 1Gb single-sided DIMMs out there?
I dont plan to overclock; I just want a stable and efficient system!
[ I'm thinking of the "OCZ4002048PFDC-K PERFORMANCE SERIES DUAL CHANNEL PC3200 2x1Gb" ... because it seems good ram. but i'm no expert! And I cant know if its single/double sided ]
-------------in construction-----------------
MSI Neo2 Platinum
AMD64 3500+
2x1Gb DDR400 (which brand?????)
BFG 6800GT
Antec Sonata + True380W (is that enough?)

Thank you Mr. Foster. I thought that was what protected mode meant at least as far as I the user is concerned. I assume, though perhaps wrongly, that you have actively take the machine out of protected mode and that the default is to be in protected mode when you install the software, at least as far as windows XP and windows 2003 server are concerned. I believe linux handles memory protection somewhat differently (and different linux flavors handle memory management differently as well), but they still separate some amount of memory for the OS only and that you have to circumvent that deliberately to undo it.
The long and short of all this is that, in general, windows does not allow access to all of the system RAM to the user unless the user actively undoes the safety precautions that are built into windows to protect the OS from being crashed or altered by poorly written or malicious code. If you believe that you really need 4GB of RAM for your application, you should look into windows 64bit or linux64.
RB

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<
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****Click the White thumb to say thanks****
****Please mark Accept As Solution if it solves your problem****
****I don't work for HP****
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Hi
Just to clarify a couple of points in your post.
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Is there any benefit to 64-bit version when I only have 4GB of RAM?

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Hi,
The topic says it all i think..
To be honest i don't know if i had this issue before Snow Leopard i have only been using it for about a week. I have a MacBook Pro (Early 2008) 2.6GHz with 4GB RAM installed. I have never had any issues with the RAM being used up this fast before ever (and i'm a pretty heavy photoshop user and gamer).
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hey buddy didn't you read the top? i know about the memory overlapping thing! if the board can handle 4 gigs and the cpu has no problem with it. then why can't you have 4 gigs?
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-Inside the MacBook Pro’s 3GB RAM limitation
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4Gb of RAM @ 400

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