As I (vaguely) understand it, you can't space out the components too widely, running at today's speeds, Since the speed of light (or electricity), starts to figure in with latency issues.I would be cool if they went for hybrid design. But I think your idea has maybe a bit if an issue with clearance behind the board, like RAM modules don't have as thin design with heatsinks on the sides as most SSDs that don't come with beffy heatsink. So they might need extra big standoffs.
Well you can compromise a bit: iirc I remember that some of the m.2 backside slots were not pci-e 4.0 like the front one telling the user "No you shouldn't put a high powered m.2 on the back, this one is for entry level 'storage' m.2 drives or even sata m.2 drives"I would be cool if they went for hybrid design. But I think your idea has maybe a bit if an issue with clearance behind the board, like RAM modules don't have as thin design with heatsinks on the sides as most SSDs that don't come with beffy heatsink. So they might need extra big standoffs.
How I would personally resolve it is to try making it 6 slot system, 2 DDR5, which should be plenty due to bigger amount of RAM per stick and 4 DDR4, or maybe even just 2 plus 2. Though either way, it would complicate design and I got feeling the reason why they didn't do it is because it would add to cost, effecting profit margins of everything not in "give ne best, money is not an issue" territory. And selling what is 200USD motherboard for a tier higher price due to dual memory support would make it very niche product, driving price further up to compensate for lower sold volume. Since most people would just pick one, DDR4 or less likely DDR5 and run with it.
The memory controller is in the CPU, not the motherboard. The motherboard's role related to memory is signal integrity: tracks that will handle the bus frequency to avoid crosstalk and line saturation.You know it occurs to me, if the motherboard already has a ddr4 controller on board to make this even plausible...
I dont game, but gaming seems to drive this need for speed, the rest of pc useage is ok with even DDR3!!This is exactly the same thing people were saying (probably including you) when DDR4 first came out and it wasn't "as good" as DDR3 at the time. You can't compare early samples and first generation sticks of memory to an earlier version that's been around for several years and has had time to mature. Also, not EVERYTHING revolves around gaming.
I wouldn't recommend a compromised DDR4+DDR5 board, nor would I suggest manufacturers make them either. Seems redundant and adds unneeded complexity. DDR4 based boards are plenty fast enough and those who had upgraded during that era are likely set for the time being. However, if you're on a DDR3 based system, then skipping DDR4 based systems makes tons of sense. Even later DDR4 boards still will have tons of value for now. It's proven and less of a headache. Just me though.I still don't understand why people has the need to pay a high premium at the very beginning to just have minimal advantages.
Facts: DDR5 is very expensive ATM; why not wait or invest on a DDR5 + DDR4 Motherboard that allows a good compromise?