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Using 2 different ram sticks with different speeds?

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August 10, 2013 5:44:54 PM

I did some research of my current back-up PC. The ram is DDR3 clocked at 1333MHz. I upgraded my ram a while ago, and it was clocked at 1600MHz. Did I do damage to my computer by having 2 different clock speeds? Does the 1600 bottleneck to 1333MHz? What happens when 2 ram modules have different speed?

Stock PC: http://h20000.www2.hp.com/bizsupport/TechSupport/Docume...

Ram Upgrade: AMD Memory Entertainment Edition 1x4GB DDR3 1600MHz (Patriot Memory)

Appreciate responses, would like to know if I should remove my ram to stop anything bad that is happening.

More about : ram sticks speeds

August 10, 2013 5:49:27 PM

no you didn't damage your pc. your ram speed is caped to lower speed and mixing ram sticks isn't recommended
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August 10, 2013 5:59:57 PM

I already have them mixed, should I remove the 1333MHz stick to unlock the 1600MHz speed?
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August 10, 2013 6:02:27 PM

yes, if your cpu support 1600 mhz

but can you live with 4 gigs of ram ?
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August 10, 2013 6:05:03 PM

Mixing memory is generally not advisable, but usually not very dangerous. The problem is that the PC you linked to doesn't support DDR3-1600 memory in the first place. So, even if you take out the 1333 it came with, it will either down-clock the 1600 to 1333, or may not work at all and give you a memory error when you start up the computer.
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August 10, 2013 6:06:57 PM

i checked the link you posted in the OP your mobo/cpu doesn't support higher than 1333 mhz. so even removing the 1333mhz stick your ram will still be capped to 1333 mhz
edit : if your running 8 gigs of ram the speeds are capped to 1066mhz
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August 10, 2013 6:30:50 PM

Is there a feasible solution to fix the problem? When I upgraded my ram about a year ago, it felt faster. I also do a lot of multi-tasking, so I don't know if I can survive with 4GB.

I plan on building a PC in the future, and I may reuse the ram. Will the ram be damaged in any way, or will it run normally in 1600MHz since the mobo supports it?
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August 10, 2013 6:38:55 PM

no the ram will not be damaged but again your ram speed is capped to the lower one even if the cpu/mobo support faster ram
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