Question Will these sticks work together (Apacer 4GB DDR3, varied speed and CL)

Oct 11, 2019
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I have a stick of 4GB 1066MHz DDR3 Apacer RAM and I would like to buy 4 GB more, but all I'm finding on the marketplace in my country from DDR3 Apacer is 1600 MHz. Would these work together?

Here are the stats from Apacer's website:

1866MHz/2GB、4GB、8GB/1.35V、1.5V/CL13
1600MHz/2GB、4GB、8GB/1.35V、1.5V/CL11
1333MHz/1GB、2GB、4GB、8GB/1.35V、1.5V/CL9
1066MHz/1GB、2GB、4GB、8GB/1.35V、1.5V/CL7

They give two voltages for each speed, I'm not sure what to make of that. Faster RAM works at a higher voltage?
 

Newtonius

Upstanding
Sep 25, 2019
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No matter what, DO NOT MIX RAM. You will break your motherboard after a short while doing so. Voltages get higher for DDR3 because they are not as power efficient as DDR4 ram but that's besides the point and you don't need to think too much into that.

My main point is, DO NOT MIX YOUR RAM sticks. Only install ram of the same voltages, clock speeds, and CL. for safe and optimal performance.
 

lynx1021

Reputable
Feb 17, 2016
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You need to find out what your CL is on the Ram you have now and see if it matches with the 1066MHz/1GB、2GB、4GB、8GB/1.35V、1.5V/CL7 . Make sure yours is CL7 and same voltage, it should be on the sticker on the ram. 1.35 volts is DDR3L and 1.5volts is regular DDR3. Don't mix 1.35 with 1.5volts. Then it "might" work ok or save the headaches by buying a matched pair guaranteed to work on your motherboard.
 

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