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Which Memory to install for best


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Thermaltake Kandalf LCS

Liquid Cooling System for CPU

1) 80mm rear case fan

1) 40 mm rear hd fan

1) 40 mm top of case

1) 80 mm hd fan front

3) 80 radiator fans in front of case

ThermalTake Power supply 750w

ASUS P5K Deluxe with heatpipe heatsink fan

Intel® Core™2 Duo Processor E6600

Vista 64 ultimate

Corsair TWIN2X4096-6400C5DHX. (2 slots total 4 gigs)

ATI Radeon HD 2900 xt

1x WD raptor 74g 16m operating system

3x WD raptor 74g 8m

2x WD Sata II 500g


I have Asus p5k deluxe motherboard, Running Vista 64 liquid cooled. I have all ways used corsair, the salesmen at micro center recommended reaper 8500 and of course I had a problem with w/ 4 gigs (4 strips) installed. It would lockup and would not even post they replaced 3 boards and one strip and still had problems, Now they could only install 3 strips and it would post. I had them switch memory to yours memory (2 strips of 4 gig and 2 strips of 2gig total 6 gig (they thought it was all 2 gig but it was all they had available for test)) and it worked fine. Then they reinstalled all Reaper and it worked. I replaced the memory with Corsair TWIN2X4096-6400C5DHX. (2 slots total 4 gigs) To go home with to test.

I want to upgrade. Which way can and should I go more or faster?


1st Choise Can I run your QUAD2X4096-8500C5DF dominator with 4 strips or am I going to get same problem I had w/ reaper in either case or other ones?


2nd chiose

or do just add another TWIN2X4096-6400C5DHX so I have 8 gig installed.


Which is possible and which way will give me The Best performance, speed and dependability ( or any other)?With over clocking a possibility.


I am running your TWIN2X4096-6400C5DHX in 2 slots for a total of 4g with no problems even been able to overclock to 3.42 GHz Core speed tested with both Orthos prime 2004 and prime95 for 6 to 8 hrs no warnings or errors and has been running stable almost straight for 2 weeks these settings from CPU-Z.


I use the computer for alot of video editing and gaming amongst many other things


benchmarked with 3D Mark 06


3DMark Score 11700 3DMarks


SM 2.0 Score 4969 Marks


SM 3.0 Score 5506 Marks


CPU Score 2919 Marks







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Are you OCing your CPU? If so, what FSB are you running? I never discourage those who "need" memory but, I have to ask if you really "need" 8gb of memory. Unless you are running out of memory right now with 4gb, you are not going to get an increase in performance with 8gb meaning it really won't be an upgrade.


All that said, if you add memory, ideally you need to add the EXACT same memory for best stability.

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I use it for video editing (side work for me) and gaming amongst other things I had update original post to include the OC info. Which I forgot to tell you but sorry even that has changed

CPU is now Q6600 (instead of E6600) running at 3.6 GHz with FSB @ 1600 MHz (SEE ATACHED FILE ).

It is not about what software I want or do run, it for me is about getting the best attainable. The manufactures today all state there product can do something then when you try to do it you either have to jump through a ring of fire to do it and it still doesn’t work well or they try to tell its not necessary. I work within the iT industry as network tech not hardware and I am just starting to play with hardware for me. I am trying to learn what I can but getting the advice I need is extremely hard. I already know or have been informed there is no compatible DDR2 8500 mem that will allow me to install 8 Gig.


I have tried 4 Gig of reaper DDR2 8500 and had nothing but problems (read opening post)


I am now Running TWIN2X4096-6400C5DHX one set with the specs above


I want to improve on this with corsair mem but I don’t know which way to go.


Either 4 strips of your dominator MEM The Fastest, the Most, and compatible with my board ASUS P5K DELUXE.


Or adding two more strips of the same mem already installed.


What is better and possible more or faster memory?

Thank you



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But is overclock better than more memory?

and what about switching to dominator mem ?

And can i install 4 gig of the faster mem in 4 slots

I am sorry I just dont get it the mobo says it supports 1066 it also says 8 GiG

and over clocking. i AM USING 800 MHz w overclocking and only 4 gig


Where is the balance????????


Thank you once again


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With the system you have, unless you are running out of memory, you don't need to buy more RAM. With 2 x 2gb already, I seriously doubt you are. If you add more memory, as noted, your OC may drop. For video related tasks, clock cycles are king, they do the work. So, you certainly don't want to slow your CPU down any. Howver, if you are moving a HUGE uncompressed file around with Photoshop and your run out of system memory, then obviously more memory is better than CPU speed. But, you will have to use your machine and decide this for yourself.
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