New Core 2 Duo system... Which Memory? =)

coolbeans3

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What I have picked out so far

Intel Core 2 Duo e6700
EVGA 122-CK-NF68-AR Mobo
EVGA 8800GTX
Creative SOUND BLASTER X-Fi Fatal1ty FPS 7.1 Channels
PC Power & Cooling Turbo-Cool 1KW-SR
LITE-ON 16X DVD±R DVD Burner W/LightScribe and 5X DVD-RAM Write Black ATAPI/E-IDE Model SHM-165H6S
PLEXTOR 16X DVD±R DVD Burner With White bezel,AUTOSTRATEGY,PoweRec,10X DVD+R DL Write Black SATA Model PX-755SA
Western Digital Raptor WD1500ADFD 150GB 10,000 RPM Serial ATA150
x2 Raid 0
ZALMAN 9700 LED 2 Ball CPU Cooler
SILVERSTONE TJ09-BW Black Aluminum ATX Mid Tower Computer Case
SAMSUNG 244t-BK Black 24" 6ms (GTG) Widescreen LCD

I've been looking at the following memory- I believe all are EPP and SLI Certified

CORSAIR Dominator 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 1111 (PC2 8888) Dual Channel Kit Desktop Memory Model TWIN2X2048-8888C4DF
Cas Latency: 4
Timing: 4-4-4-12 $610

CORSAIR Dominator 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model TWIN2X2048-6400C3DF
Cas Latency: 3
Timing: 3-4-3-9 $479

CORSAIR Dominator 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 1142 (PC2 9136) Dual Channel Kit Desktop Memory Model TWIN2X2048-9136C5D
Cas Latency 5
Timing: 5-5-5-15 $459

CORSAIR XMS2 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model TWIN2X2048-6400C4PRO
Cas Latency: 4
Timing: 4-4-4-12 $341

CORSAIR XMS2 DOMINATOR 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model TWIN2X2048-6400C4D
Cas Latency: 4
Timing: 4-4-4-12 $265

CORSAIR XMS2 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory
Cas Latency: 4
Timing: 4-4-4-12 $249

I do plan to overclock in the near future and I want the highest quality RAM capable of maintaining the lowest latencies at the fastest speeds *stabily*. lol say that 3 times fast Anyway, at first glance I'd imagine the CORSAIR Dominator 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 1111 (PC2 8888) Dual Channel Kit Desktop Memory Model TWIN2X2048-8888C4DF would be first answer. Highest clock speed with the lowest latency at stock but at $610 would it be smarter to get another pair? I've listed the top 6 pairs. Now what scares me is a user review on newegg that popped up for both the lower models..

the TWIN2X2048-6400C4D $265 pair

"!!!Overclockers beware!!! Corsair put promo ic's in the Dominator 6400C4D. These promo ic's most likely won't take you past 900mhz, in extremely rare cases they will just barely break ddr2-1066. If your going/planning to do some serious overclocking go get the Dominator 8500C5D they actually use extremely sought after and highly binned Micron D9's and will provide steady and stable performance on overclocks."

"The 6400C4D was, from the get-go, designed as a lower cost Dominator based on a Promos part, and was never intended to have Micron ICs on it. We have always specified what version numbers equate to which ICs are being used on our forums, and as far as I know, we’re the only manufacturer to do this. We also do not change the ICs on high-end parts, such as the 8500s or 6400C3s, unless an IC performs BETTER than the current IC. With the 6400C4Ds, the only reason there were Micron-based parts in the channel is because it was a downbin path from the standard Micron-based parts like the 8500C5. If a Micron-based part failed at 8500C5, we’d move it to 6400C4. Because of technical issues, we label these different IC-based parts with different revision numbers."


the $249 pair

"Ok, I am what you would call an enthusiast. I pay for what I expect. When I bought this RAM I paid for high quality stuff that is supposed to OC well. Not the case. Recently it has come into light that Corsair has been practicing some very shady business. It seems that after Corsair shipped out the initial shipment of this RAM to reviewers and the first lucky people to buy it they changed the IC they manufactured it with. It started out with high quality MICRON IC and ends up with lousy PROMOS IC being shipped to the masses. If you ask me, what is being done here is misleading and keeping the price the same is unjustified. MICRON is far superior to PROMOS and myself and a lot of other enthusiasts feel cheated by Corsair for buying this RAM and not getting what we paid for based on initial reviews."


what exactly is it corsair changed in those models? what is it responsible for? and... are they all using the new PROMOS? Haven't really considered another manufacturer.. always been very satisfied with Corsair... anything worth considering? Please post all thoughts and recommendations

Appreciate it,

Jake
 

NotAPimecone

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Sounds like you have a pretty big budget :)

I have the
CORSAIR XMS2 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory
Cas Latency: 4
Timing: 4-4-4-12 $249

It's done pretty well for me so far. That said, I'm not pushing the memory too far past spec, because much past 425 MHZ FSB (3.4 GHz for my E6400), I really need to pile on the voltage, and my CPU starts warming up more than I want, even with my Zalman 9700.

Basically, I've tested with Memtest86+ up to 880MHz on the RAM without relaxing the timings, and it detected no errors after 10 passes, but things were getting too warm for my E6400 under 100% load testing (close to 60C, I know, not critical, but getting warmer than I'd like), and even with the amount of voltage that was making me uncomfortably warm, it was still unstable enough to get an error after 15 minutes of dual Orthos CPU-oriented tests.

On your E6700, that FSB would correspond to 4.4GHz, and your CPU would probably be getting pretty warm, possibly more than your cooling could handle (but I don't really know). So you'd have to use a higher ratio on the RAM to make use of anything much better than DDR2-800, and I'm not sure it's worth it.

I'd probably just get the lowest latency 800MHz RAM, assuming I had the money to burn and couldn't find any specific reason to not go for that particular model. Unless you're prepared to invest in a better cooling solution to clock your CPU up insanely, anyway.

I'm not really experienced, though. My latest system is my first overclock. I don't know the ups and downs of different brands, or different models within a brand.
 

coolbeans3

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hey thanks for the reply =)

I want to fully explore overclocking and using my hardware to it's full potential. With that said... perhaps air cooling was a bit unrealistic lol
 

NotAPimecone

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The highest I've ever heard of anyone ever taking an E6700 was 5142MHz. And I bet they didn't do that on air.

You can get pretty far on air, I've heard of people taking an E6400 up (just) over 4GHz on air. I don't know if you could get further on an E6700 on air or not.