Corsair Vengeance 12GB

[AdamK47]

Anyone have any experience with this kit? How do they overclock? I'm thinking of getting these and shooting for 2000-DDR.

 

[Aristotelian]

I thought this might be helpful: http://www.hexus.net/content/item.php?item=28084&page=2 as I read it the other day looking up memory kits (though triple channel doesn't apply to SandyBridge!)

 

[AdamK47]

I'm suprised they stuck with the default timings when overclocking. I've seen people some do 8-10-9-27 1T @ 2000 DDR.

 

[Termie]

Here's another review that goes into great detail on the overclocking potential:

http://www.techpowerup.com/reviews/Corsair/Vengeance_1600_MHz_CL9_12GB/

"Overclocking the Corsair Vengeance was a fairly straight forward task. Our kit easily booted at 1600 MHz CL9 and 1.5 V without any issues and was stable as it should be. Even at this voltage setting the memory managed reach 1820 MHz. The next step meant slowly raising the voltage up to 2.0 V to see if this would help to push the kit even higher. At this point it became clear that the three modules were completely unimpressed by any increase of voltage. No matter what I set it at, I was not able to push things higher. While a "mere" 220 MHz overclock does not seem like much, it is quite respectable for a 12 GB kit. Especially if it manages that at JEDEC voltage.

Relaxing the timings slightly to 9-10-9-27, the kit even worked flawlessly at 2000 MHz and - once again regardless of the amount of voltage applied - an impressive 2040 MHz was the most I was able to tickle out of them at this end of the spectrum.

Next, I turned my focus to the low latency aspect. Trying to boot the kit at CL5-5-5-15 proved impossible, so I pushed for CL6 at which point the system was stable when starting at 1066 MHz. A setting of 1333 MHz would yield an unresponsive computer, so I worked my way up at 1.5V at first, where the maximum was 1200 MHz. An increase to voltage gave very little performance increase, as the memory maxed out at 1232 MHz no matter how much voltage I applied.

At CL7-7-7-21 a very similar picture developed. Right out of the gate - at 1.5 V I was able to push to 1428 MHz ending up with a mere 8 MHz more at most when using more voltage resulting in a speed of 1436 MHz. At this point it was safe to say that the Voltage graph would look very clean with mostly straight lines at each CL setting.

Last, but not least the memory was booted at CL8-8-8-24 and I set the system straight to 1600 MHz. The test system booted right away and worked flawlessly at this point, which means that even though Corsair rates the 12 GB kit for CL9, you can expect to push the timings slightly in the right direction while staying at 1.5V. Once again, an increase in voltage resulted in no change at all and the memory maxed out at 1640 MHz and CL8."

 

[Yellowbeard]

THIS may be interesting reading.

 

[AdamK47]

THIS may be interesting reading.

Thanks. It looks like the general consensus is to increase the RAS to 10 and up the volts to 1.65 in order to get 2000 DDR. I should know by tonight if that holds true.

 

[AdamK47]

Got the memory installed and ran a few stability tests. DDR 1600 passed fine at it's rated timings of 9-9-9-24-2T and 1.5V. I tried DDR 2000, but even with 10-11-10-28-2T timings and 1.65V LinX would fail after 20 minutes. DDR 1800 with 8-10-9-24-1T with 1.60V has been stable so far for the past hour.