Integrating various RAM modules
Integrating various RAM modules
Original memory details remain unclear. It seems to depend on whether it's 3000MHz JEDEC or includes DOCP/XMP support. If it's JEDEC, compatibility with the new memory is likely. However, if only DOCP/XMP is enabled for 3000MHz models, results are uncertain. It's best to match the exact part number for optimal performance.
Mixing modules might function, but results aren't assured. Using just one would eliminate dual channel capability. For dual channel you should use 2 or 4 modules. As mentioned, overclocking (XMP) with mixed modules tends to cause more problems, and having 4 sticks is riskier than 2. Combining various sticks means they'll operate at the lowest supported speed and highest latency possible. ~edit: Do you currently have a single 16 GB stick or two 8 GB sticks? That would mean single channel speed, while adding another 16 GB would be better for performance.
It provides dual channel bandwidth for the initial portion of gigabytes, based on the smallest memory size in any channel. For example, with 8+8+8 gigabytes, it uses 16 GB dual and 8 GB single. Flex mode allows mixing different channel configurations to maintain dual channel performance.
You're correct. It seems the CPU and motherboard play a key role here, which isn't always obvious. I recall some saying it was mainly Intel's concern, but it might be evolving. For reliability, I'd prefer 2x8 or 2x16 over using flex mode. Just to cover all bases: dual channel support applies to DDR, DDR2, DDR3 and DDR4.