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XMS3 Overclocking Help

post #1 of 3
Thread Starter 
Hello OCN,

I am running this memory kit:
http://www.corsair.com/us/memory-by-product-family/xms-classic/xms3-16gb-dual-channel-ddr3-memory-kit-cmx16gx3m2a1600c11.html
IT is installed in my Sig Rig.

I am currently running the kit at 11-11-11-30 1800MHz 1.5V
I found it to be Prime and MemTest stable after entering the timings manually and just increasing the memory speed to 1800 from 1600.
This actually increased my frame rate in certain areas of Skyrim a little bit.

Those familiar with Skyrim will know the areas I am talking about - viewing Whiterun or Markarth from high up areas will drop my frame rate from 60 to the high 30's.
These areas seem to be CPU / Memory bottle necked, as increasing my CPU from 4.2 to 4.3 gave me 3 or 4 extra fps in these areas, similar to my small memory OC.

My question is, is it worth putting more than 1.5V through my memory to clock it higher?
How will more voltage affect the life and stability of my kit?
My kit won't do 1866 with 1.5, but 1.525 I was able to boot at 2000MHz.

I know it is generally considered not to be worth it, but if I can go from minimums of 38 to 41 (it sounds small but it is noticeable and repeatable) with just a 200MHz increase, I'd like to see if I can get more out of it.


Thanks.
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus P8Z77-I Deluxe MSI TF3 7950 OC BE 1000/1500 16GB Corsair XMS3 (8x2GB) 1600MHz 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB WD 2TB Caviar Green Noctua NH-D14 Windows 7 Home Premium 64-bit 
MonitorKeyboardPowerCase
Asus VS247H-P Logitech K360 Corsair HX650 Fractal Design Node 304 
MouseMouse Pad
Logitech MX  SteelSeries QcK 
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My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus P8Z77-I Deluxe MSI TF3 7950 OC BE 1000/1500 16GB Corsair XMS3 (8x2GB) 1600MHz 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB WD 2TB Caviar Green Noctua NH-D14 Windows 7 Home Premium 64-bit 
MonitorKeyboardPowerCase
Asus VS247H-P Logitech K360 Corsair HX650 Fractal Design Node 304 
MouseMouse Pad
Logitech MX  SteelSeries QcK 
  hide details  
Reply
post #2 of 3
1.525 is nothing to be worried about, you can normally go at least up to 1.65-1.7V without any durability concerns, as long as it scales.
post #3 of 3
Thread Starter 
Quote:
Originally Posted by Sam OCX View Post

1.525 is nothing to be worried about, you can normally go at least up to 1.65-1.7V without any durability concerns, as long as it scales.

Thanks for the reply!
Good to know that there is quite a lot of headroom with the voltage.
I've just been testing 1866 at 1.5V and I'm about 9 hours into a Prime Blend.
Those settings were not stable on my old board, a Gigabyte z77mx-d3h - I presume that the motherboard makes quite a bit of difference in Memory Overclocking tongue.gif

I'll run this overnight, would be good to have 1866 at stock volts!
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus P8Z77-I Deluxe MSI TF3 7950 OC BE 1000/1500 16GB Corsair XMS3 (8x2GB) 1600MHz 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB WD 2TB Caviar Green Noctua NH-D14 Windows 7 Home Premium 64-bit 
MonitorKeyboardPowerCase
Asus VS247H-P Logitech K360 Corsair HX650 Fractal Design Node 304 
MouseMouse Pad
Logitech MX  SteelSeries QcK 
  hide details  
Reply
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus P8Z77-I Deluxe MSI TF3 7950 OC BE 1000/1500 16GB Corsair XMS3 (8x2GB) 1600MHz 
Hard DriveHard DriveCoolingOS
Crucial M4 128GB WD 2TB Caviar Green Noctua NH-D14 Windows 7 Home Premium 64-bit 
MonitorKeyboardPowerCase
Asus VS247H-P Logitech K360 Corsair HX650 Fractal Design Node 304 
MouseMouse Pad
Logitech MX  SteelSeries QcK 
  hide details  
Reply
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