Does adding 2 different DIMMs in the same channel also cause instability?

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AssemblerX86

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Jul 29, 2014
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I have an ASUS 970 PRO Gaming / AURA motherboard. I know that using dual channel configuration with 2 different DIMM models causes instability, but does this also apply to single channel configuration? My motherboard has the first 2 slots for channel A and the last 2 slots for channel B, so if I add two memory sticks in the first 2 slots (Channel A), would that cause my system to become instable (Even if just a little)?

Both memory sticks are Kingston 1600MHz, but have different CAS.
 
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Not sure. Server chips may have better memory controllers. They may also run their memory at lower, more standard frequencies/timings compared to desktop users (who are often running above rated speeds for their CPU). The data centre would also have a dedicated IT team that could make sure things are stable. Lastly, I have no idea what an upgrade policy in a data centre would look like, are you sure they'd mix different RAM models willy-nilly?
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Gadhar

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Only way to truly know is to install and see what happens. I have used mixed memory before with good results and other times it did cause blue screens. Of course it is always best to buy a kit, but sometimes that is not an option. I would try dual channel first and see if the stystem boots up then use it as you normally would to see if it is stable. Just my .5 cents
 
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AssemblerX86

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How do servers and workstations get away with this then? I mean for example, data centers, if a customer would request RAM upgrade for his dedicated server, they would add more RAM regardless of model.
 
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TJ Hooker

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Not sure. Server chips may have better memory controllers. They may also run their memory at lower, more standard frequencies/timings compared to desktop users (who are often running above rated speeds for their CPU). The data centre would also have a dedicated IT team that could make sure things are stable. Lastly, I have no idea what an upgrade policy in a data centre would look like, are you sure they'd mix different RAM models willy-nilly?
 
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