Question How do i assure my motherboard is running dual channel Ram

svorcs

Commendable
Nov 5, 2018
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If you installed 2 dimms, one in slot A2 and one in slot B2, it's running dual channel.
Let me just ask something, i have exactly so as mentioned A2&B2 (2x 8GBRAM)
What happens if i put 4GB ram stick inside the B1 slot? Does it cancel dual channel? Does performence of system increases or decreases? same ddr same clock...
 

Karadjgne

Titan
Ambassador
Sticks in A2/B2 will show dual channel in cpu-z.
Add a stick in A1 or B1, cpu-z will still show dual channel. Add sticks in A1 & B1, cpu-z will still show dual channel.

In reality, 3x sticks is called flex mode, it'll use the dual channel ram first, as dual channel, then the remaining ram as single channel, only if it requires the extra. So with you, it'll be pure dual channel for anything 0-16Gb, and flexed dual 16Gb + 4Gb single channel if needing 16.01Gb-20Gb. Cpu-z cannot make the distinction, so labels everything dual channel unless you really mess up and stick both sticks single channel.

Most reporting software (now including Windows) will report the Data Rate, not the Dual Data Rate (DDR). 1796.4MHz =1800MHz (± % of error) Data Rate, = 3600MHz DDR.
 
Oct 30, 2021
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Sticks in A2/B2 will show dual channel in cpu-z.
Add a stick in A1 or B1, cpu-z will still show dual channel. Add sticks in A1 & B1, cpu-z will still show dual channel.

In reality, 3x sticks is called flex mode, it'll use the dual channel ram first, as dual channel, then the remaining ram as single channel, only if it requires the extra. So with you, it'll be pure dual channel for anything 0-16Gb, and flexed dual 16Gb + 4Gb single channel if needing 16.01Gb-20Gb. Cpu-z cannot make the distinction, so labels everything dual channel unless you really mess up and stick both sticks single channel.

Most reporting software (now including Windows) will report the Data Rate, not the Dual Data Rate (DDR). 1796.4MHz =1800MHz (± % of error) Data Rate, = 3600MHz DDR.
My Balance Now
Hello,

download CPU-z over here: http://www.cpuid.com/softwares/cpu-z.html , once you have got it downloaded open it up and go to the memory tab at the top. Once you are there you will see a box that says channels: [AMOUNT OF CHANNELS] . That's it. This information is usually available on boot or inside the bios.
 
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