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- Re: Can you mix the ram up gradeing a pc 12GB in Channel A 8...
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01-28-2021 04:55 PM
I want to upgrade the RAM in my Elitedesk 800 G1 can i put an 8GB simm and a 4GB in channelA and two 4GB simms in channel B or will this slow down the computer
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01-28-2021 05:03 PM - edited 01-28-2021 05:06 PM
Hi:
It should work, and you would have 20 GB of memory but it will run in 'Flex mode,' which is another term for single channel.
On the older HP business desktops such as the dc7800 for example, a mismatched configuration would not work.
The PC would not boot up unless you had the same amount of memory in channel A and channel B.
You could just have the 8 GB chip in channel A, and have 16 GB running dual channel mode, with the 2 x 4 GB in channel B.
01-28-2021 05:03 PM - edited 01-28-2021 05:06 PM
Hi:
It should work, and you would have 20 GB of memory but it will run in 'Flex mode,' which is another term for single channel.
On the older HP business desktops such as the dc7800 for example, a mismatched configuration would not work.
The PC would not boot up unless you had the same amount of memory in channel A and channel B.
You could just have the 8 GB chip in channel A, and have 16 GB running dual channel mode, with the 2 x 4 GB in channel B.
01-29-2021 06:58 AM
The jury is out on that one.
Which is better? More memory running in single channel mode, or less memory running in dual channel mode?
I think you would have to try it both ways and subjectively see which configuration works better.
IMHO, since 16 GB is already a decent amount of memory, another 4 GB would not make a whole lot of difference.
So, try the 8+0+4+4 config first and if you are happy with it, leave it be.
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