Hi, I am using a Lenovo legion y540 15IRHPG0 which came with 8gb ram from samsung. Since my ram usage high running multiple VMs, chrome, building kernels, etc , now I want to upgrade my ram.
I am confused whether I should go for a 16gb or 8gb stick. I found out that using ram of different sizes has some drawbacks like not enabling dual channel support. I have selected the following rams for my upgrade
XPG ADATA Flame DDR4 8GB : https://www.amazon.in/XPG-PC4-21300-SODIMM-Memory-Laptops/dp/B07K3KJ78Y/ref=sr_1_3?crid=KZMYQHY5WC1Y&dchild=1&keywords=laptop+ram+ddr4+2666mhz&qid=1590258236&sprefix=laptop+ram+ddr4+2666%2Caps%2C266&sr=8-3
XPG Flame 16GB DDR4 : https://www.amazon.in/XPG-PC4-21300-SODIMM-Memory-Laptops/dp/B07K3V55X6/ref=sr_1_6?crid=KZMYQHY5WC1Y&dchild=1&keywords=laptop+ram+ddr4+2666mhz&qid=1590258236&sprefix=laptop+ram+ddr4+2666%2Caps%2C266&sr=8-6
My concern are :
1. will 8gb and 16gb ram be supported properly ?
2. does dual channel really matter that much ? because my ram usages is really very high in my other machine even 32gb is used up completely sometimes .
3. or it is better to have a 8gb+8gb conifg for system stability and having that dual channel speed advantage ?