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February 22nd, 2023 05:00
Dual channel with two different sized memory sticks
Dell G5 15 5590
Hello,
My Dell G5 5590 motherboard supports dual-channel usage and I'm planning to upgrade RAM from 8GB TO 24GB (8GB + 16GB, same memory speed on both sticks). However, I'm not sure whether I'll lose the dual-channel feature and does it slow down my system?
In this upgrade example, will dual-channel work?
I see no consensus on the internet on whether using different-sized RAM sticks will block dual-channel. Some people say that same-sized RAM sticks are needed, although some people say all that is needed is the same speed on both RAM sticks.
Thanks,
@G5 5590 @dell g5 5590 @Edua @nomemory1
#G55590 #dualchannel #memorysticks
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ejn63
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30.8K Posts
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February 22nd, 2023 05:00
Answer is the same as for your other question in the second thread. If you use 8+16, 16G will run at dual channel, full bandwidth; the remaining 8G will be half bandwidth.
If you want full dual channel operation, either install two 8G or two 16.