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Q9450, 9800GX2, 8gb DDR2 Ram suggestion for overclock please?

post #1 of 22
Thread Starter 
Hi all!

I am an FSX fanatic and run the Simulator through 4 cores and therefore have invested in the Q9450. I am also going to use the 9800GX2, with 8GB of DDR2 running either XP 64bit or Vista 64bit. Either or it will be a 64bit Operating System to take advantage of the 8GB of DDR2. FSX will use about 3.5GB of that and the rest will use up the other internal and external pieces of equipment I will be using such as Active Sky X, X Graphics, Live ATC, Skype etc.

FSX is one of the most demanding games on the market and I have been looking at numerous motherboards but am getting discombobulated with the compatibility issues. I have a budget of £2000 ($4000) for the PC.

Any suggestions on the rest of the set up feel free to add..

Case
Hard-Drive
Graphics Card (will be using 9800GX2)
Sound Card
Power Supply
RAM (8gb of the fastest DDR2 please)
Motherboard (Asus Rampage)
Processor (Q9450 quad)
OS (XP 64 or Vista 64)
Fan


I have decided to go with the Q9450 as I have heard it can be overclocked to maybe 3.2ghz and above, I have chosen Rampage as I have heard good reviews and am not intrested in 780i or any other mobo with sli as I will never use it. I have also heard ASUS is good for overclocking:

ASUS Rampage Formula X48: http://www.awd-it.com/scripts/prodV...?idproduct=3691


I am also not going to wait for the GTX280, however , I believe I can upgrade to it in the future and it will be compatible with the above motherboards if I remove the 9800GX2.

I have never overclocked before and have heard that the Ram is important as is the motherboard. I am now at this stage of investing in my RAM. Can anyone recommend me the fastest and best 8GB of DDR2 (4x 2GB). I presume I can use 8GB to overclock, if not I will need to re-think and maybe go with 4GB. However, I do have a lot of programs which are going to utilise a 64bit platform using 8GB DDR2.

Can someone please help me choose the best, I am not so concerned about the money but instead being able to overclock the Q9450 and having the most powerfull RAM to support my PC running a 64bit/32bit as powerfull as possible and helping FSX go as fast as possible. I use CS3, AutoCad and Cubase as well which are very demanding programs, even for 64bit.

Many many thanks again.
post #2 of 22
I would recommend waiting ~2 weeks for the new 2xxGTX cards to come out. They will blow the 9800GX2 out of the water.

If you get EVGA's 9800GX2, you can use their stepup program to trade them in, and pay the difference.

Also just so you know, overclocking with more sticks of memory is harder, and generally you won't get as far (less than a 5% difference though, and I think the added benefit of 8GB of RAM is more important than 80mhz of processing power)

I also would highly recommend using Vista 64-bit, I've heard XP 64-bit sucks.

These parts would work well:

CPU
CPU cooling
2x RAM
Motherboard
OS drive
2x data drive
Video card
Vista
PSU
HDDVD\\Blu-ray
Case
Fan (Only need one, if there is space to mount one on the top vent)


Edit: You're looking at just under $3000 right there, and I'm unsure of what to upgrade. That is a very formidable computer already.
Edited by low strife - 6/10/08 at 7:54pm
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Blackbox.
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post #3 of 22
You will want 64bit Vista. I had 64bit XP and the driver support is horrible.
Mr. Windy
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post #4 of 22
Oh, do you need a monitor?
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post #5 of 22
Thread Starter 
Thank you low strife

No a monitor will not be needed I have a 32inch LCD which I will be using a DVI connection to hook it up. I am really confused with the RAM, some websites are saying that I need a heatsink and others say you need to be brand orientated as its is important what brand you use.

I presume the Ram you suggested there is the best and most powerfull for my motherboard (ASUS Rampage). Sorry I am knew to overclocking and dont't know whether I need a specific Ram or not.

Thanks again, and thank you for suggesting the set up :-)
post #6 of 22
If money is not an object and you want a lot of speed you're probably going to want some DDr3 ram. It can reach much higher speeds and allow higher overclocks, not to mention motherboards that support it generally can clock higher as well. With your q9450, the motherboard and ram are going to be the limiting factors.
post #7 of 22
I would say go 64bit vista like mortimersnerd mentioned. I refuse to go vista and will never go back to 64bit XP. Come to think of it, I might give Vista 64bit a shot with a new rig and 2x2gb kits.

Also, wait a while for benchmarks of of the GTX 280 in action. It's supposed to be a monster and better than the GX2s from what I hear.
Edited by exileschild - 6/10/08 at 8:31pm
post #8 of 22
Quote:
Originally Posted by mortimersnerd View Post
You will want 64bit Vista. I had 64bit XP and the driver support is horrible.
How long ago did you use XP x64 and what are the specific devices (please provide manufacturer AND model number) of the hardware that has driver support in Vista 64, but not in XP x64.

Quote:
Originally Posted by low strife View Post
I also would highly recommend using Vista 64-bit, I've heard XP 64-bit sucks.
You've heard wrong.
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post #9 of 22
Thread Starter 
I know I am taking a risk with the DDR2 but I just think its so cheap right now what I could get for 8GB of DDR2 I would struggle to get of 2GB of good DDR3. But I dont want to go down the avenue of arguing over what type of DDR to use as it would mean I would need to completely reconsider the motherboard again. I have nothing against staying with DDR2 for now, DDR3 may have a higher speed, but the latencies are terrible and it's still very expensive. As far as I'm concerned right now DDR3 is a needless extra expense.

This is my first build, therfore I guess I am a noob, I have heard fantastic things about the Q9450 and for £200 its a catch. The 9800GX2 has had incredibly good reviews running FSX (Microsoft Flight Simulator sorry I should have said what the acronym stood for) and no other card matched it. Infact using the 9800GX2 in sli, infact proved no substantial gains in frame rate. FSX is a CPU dependent simulator and would like to overclock it. I have never overclocked before and was advised about this forum.

Any help on the Ram is muchly appreciated thank you all again.
post #10 of 22
a 9800GX2 on a 32" LCD TV is a waste.
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