DDR5 SDRAM

Should you upgrade from DDR4 to DDR5? What's the difference between the two and how

You will see that there are no four-module RAM kits for DDR5 at all, and that's for a reason Once you use four modules on any Z690 DDR5

can i put ddr3 in ddr4 slot Yes You need to choose a z690 or b660 that supports ddr4 Should be in the name, for sure in the specs Edit: z690 is fully overclockable (

can we book visa slot without i20 If you didn't already try this, I'd suggest mixing the old and new RAM so you have one of each in each channel (so, channel A slot1 old, slot 2