memory - PC doesn't boot after RAM replacement - Super User
With two RAM slots populated, you have the option to add more RAM later if needed. You can simply add another two sticks of 16GB to reach 64GB total.
Can My Motherboard Support a USB-C Card Upgrade?
Unsure how to add USB-C ports to your desktop? The answer depends on your choice of motherboard. Here’s how you can tell if your motherboard will let you add USB-C ports.
How to install memory (RAM) in your PC | PCWorld
These are the motherboard slots you insert your RAM into. ... If you’re not filling all the available RAM channels, read your motherboard’s manual to see which specific slots you should fill first.
