RAM upgrade/replacement for P8P67 Pro

Cenedd

Cenedd

Cenedd

Soldato
Joined
4 Jun 2007
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Watford, UK
Currently have 2x4GB Corsair Vengeance CMZ8GX3M2A1866C9 running at 1866. Was looking to step up to 16GB but I'm not sure whether to just add another 2x4 or replace with 2x8. I've heard rumours that 4x4 is either unstable or slower on this chipset. Can anyone confirm that?

If I'm looking at replacing with 2x8, what would you recommend?
Spec claims dual-channel at 1600/1866/2133. Current RAM runs CL9 but the 2133's available are mostly CL11. Am I out of date in thinking that the net result will not be any faster? CPU is i7-2600K running at stock underwater but with the turbo up to 4200MHz so it runs either at 1600 or 4200 depending on load. It'll quite happily sit at 4200 continuously as I found out when I realised that Windows' "High Performance" power setting just kicks the turbo in full-time.

Many thanks,

Gareth
 
Hi, just looked at your manual P8P67 Pro 16GB=4x4GB only, so just add another 2x4GB-
Corsair Vengeance 8GB (2x4GB) DDR3 PC3-15000C9 1866MHz Dual Channel Kit (CMZ8GX3M2A1866C9)£89.99

http://www.overclockers.co.uk/showproduct.php?prodid=MY-292-CS&groupid=701&catid=8&subcat=1387

Just add the ram and see what happen's at first you might have to increase the ram voltage a touch for instability.

Also why do you keep your CPU on Windows Power Options>High Performance, for normal use + gaming Balanced Option will do 24/7.

I only put my PC on High Performance for benchmarking only.
 
Excellent, thanks. The cheaper option is quite appealing :D

I'd only gone "High Performance" by following an SSD optimisation guide. Wasn't aware at the time that it causes constant turbo. Only discovered that when I was looking at some monitoring software and wondered why it was not clocking down when idle. Also noticed significantly higher load on the little UPS sitting next to it....once I crawled round the floor to look.
 
Cenedd said:
Excellent, thanks. The cheaper option is quite appealing :D

I'd only gone "High Performance" by following an SSD optimisation guide. Wasn't aware at the time that it causes constant turbo. Only discovered that when I was looking at some monitoring software and wondered why it was not clocking down when idle. Also noticed significantly higher load on the little UPS sitting next to it....once I crawled round the floor to look.
Click to expand...

Hi again, l use a 840 evo ssd> Maximum Performance setting use it but go to Power options>Samsung High Performance> click on Processer power management>minimum processer state change
setting from 100% to 5% it will now idle.
 
Cheers, hadn't had the time to dig deeper into what was setting that. Will have another play once the new RAM and W/C gear arrives :D
 
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