2 vs 4 RAM Modules - Are There Any Differences?

ram slot 2 and 4   Dan ramses book slot

In most modern motherboards with 4 slots, 1st stick will be on slot 1, 2nd stick will be on slot 2 which isn't positioned after slot 1

I take that to mean that 4 x 2GB is recommended In other words, keep the existing sticks in there, and insert in 2 more new ones, each of 2GB Ok, i tried putting 4 sticks in the slots 2, 3, 4, and 5 wouldn't boot Is this supposed to happen? To anyone else in the future with this

modal 138 slot Different types of RAM slots exist, such as DDR4 and DDR5, each compatible with specific RAM modules Modern motherboards usually come with 2-4 6 El Capitan All is well EXCEPT that RAM slot 1 isn't recognized Before: 2009 Mac Pro 4,1 2 x quad-core