Hi I recently went out and bought a new mother board maker being (shuttle model AN35N Ultra v1.1 nVidia NForce 2 400/Ultra) with a 2400 Sempron processor when I got these I also got the Asylum GeForce FX 5200 now I am simply looking at trying to make a steady system nothing like super just something that I can play a few games on and not have to worry about my speed But I am getting sidetracked here I was looking at getting Geil 1GB PC3200 400MHz 2-64x64 Value Dual Channel DDR Memory 184Pin - Model #GE1G3200BDC or Mushkin 512MB PC2700 333MHz 2-32x64 Dual Channel DDR Memory 184Pin - Level II Dual Pack Now the reason I am looking at these two are because they only have a $30 difference and trying to firgure out if the system would be okay running the first one when I ask at the store the salesguy told me that I shouldn't run 400MHz but should run 333MHz yet the board states that 400 MHz is fine. So I guess what I am trying to ask is if I could get some opinions as for what to do.

Uh, whoa. The sales guy was right, and not just that, it seems he was giving you advice that would save you money. That's.. pretty rare. (No offense to those of you who work in retail, of course; I realize not everyone who works at certain electronics stores is like that, but..)

Anyway, the reason that PC2700 memory is fine is simple: your CPU has a 333MHz (effective) FSB, nForce2 boards like it when the memory is run at the same speed as ("in sync with") the FSB. PC3200 will give you some overclocking headroom, though

My advice would be to find 512MB of decent, inexpensive PC3200 (Kingston, Crucial, Mushkin..) from somewhere like NewEgg. Overclocking ability and price should both be good. The question then is 2x256MB or 1x512MB (two 256MB sticks or one 512)... 2x256MB will offer slightly better performance (occasionally much better performance, like in Photoshop), but if you get one 512MB stick it'll be easier to upgrade to a gig of memory later. It's your choice.

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DEC Pentium X2 5200+ w/ HyperCache (Ezra core)
Asus M7NCD-MAX3 (OPTi Vendetta 82C760)
6x Generic 32MB PC2700 RDRAM (50ns SIMMs)
2x nVidia Millennium X1800 Duo (SLI mode)
12x (daisy-chained) Quantum Medalist 180GXP (w/ separate SCSI-1 adapter)

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