Best 4GB of DDR2 for QX6850?

[franbab]

I need some memory recommendation for the following system.
CPU QX6850 watercooled and overclocked as much as possible.
MOBO ASUS p5k Deluxe
I will run Vista 64
Planning on getting either 2x2g or 4x2g sticks of DDR2 memory for which I can spend up to $600.

I was thinking of getting the mushkin 4GB (2x2gb)
http://www.newegg.com/Product/Product.aspx?Item=N82E16820146691

According to the following website it uses midcon D9 chips.
http://ramlist.ath.cx/ddr2/


Any other recommendations or thoughts?


Also, would the performance of my system decrease if I get 8GB instead of 4GB.

[ShadowPho]

I need some memory recommendation for the following system.
CPU QX6850 watercooled and overclocked as much as possible.
MOBO ASUS p5k Deluxe
I will run Vista 64
Planning on getting either 2x2g or 4x2g sticks of DDR2 memory for which I can spend up to $600.

I was thinking of getting the mushkin 4GB (2x2gb)
http://www.newegg.com/Product/Product.aspx?Item=N82E16820146691

According to the following website it uses midcon D9 chips.
http://ramlist.ath.cx/ddr2/


Any other recommendations or thoughts?


Also, would the performance of my system decrease if I get 8GB instead of 4GB.

1) What are you planning to use the system for?
2) Does that use require you to have 4/8GBs?

If you are planning to game then go with 2GBs.
If you are planning to run tons of VMs, then go for 8GBs.

[franbab]

I'm not planning to game. I use my PC to run computationally intensive multithreaded programs (floating point calculations). Superpi type of things but using all four cores.