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Can I mix DDR3-1333 with 1600

Tags:
  • Memory
  • G.SKILL
  • DDR3
  • Product
Last response: in Memory
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September 26, 2012 4:14:01 AM

Hi,

I am building my third pc and was going to max it out at 32gigs. I currently have G.Skill RipjawsX 8Gx2 @1333.

Can I add G.Skill RipjawsX 8Gx2 @1600?

Any advice on if this would be safe or if I am better getting the same 1333 ram?

More about : mix ddr3 1333 1600

a b } Memory
September 26, 2012 4:28:18 AM

If you do then the ram will all run at 1333 if they all work together. Usually you put the same speed , the same timings and the same voltage.
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a b } Memory
September 26, 2012 5:06:12 AM

Yeah, it's better to just get another Ripjaws X 1333 kit, since the 1600 kit would be restricted to 1333 anyway. No way around that, by the way. All modules will be forced to run at the same speed, timings, and voltage, so it just doesn't make any sense to add faster modules to existing slower modules.
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September 26, 2012 11:38:46 PM

Thanks for the quick response guys.


The reason I was going with the 1600 this time because it was on sale this week at Newegg and the 1333 was back at regular price.

Will the 1600 run at the same speed, timing, and voltage as the 1333 automatically or would I have to adjust some of those settings manually?
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a b } Memory
September 26, 2012 11:56:30 PM

M-Section9 said:
Will the 1600 run at the same speed, timing, and voltage as the 1333 automatically or would I have to adjust some of those settings manually?


Well, both kits will be forced to run the same settings, regardless because that's just the way it is with only one setting for all modules installed. There's no way to run the kits at separate speeds, timings and voltages even if you could or wanted to.

With that said, yes, it should be automatic, BUT...

I'm not exactly sure if both kits will be happy with each other, though. You might be forced to reset the BIOS and then reinstall both kits for both kits to play nice (even then, it's not a guarantee that they'll work flawlessly together).
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a b } Memory
September 27, 2012 4:09:52 AM

Iy's always a risk to run two different sets of ram that are not even the same speed, you just don't know how the motherboards bios is going to react. You could put them in and both work, but at the lower settings 1333mhz or they may not work right away and you may need to make a bios adjustment.
If it's at all possible you should pick up a set of the same ram meaning all 32 gb of the 1600mhz.
Is there a reason for going from 16gb to 32gb?
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