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What possibilities are there to RAID 0 two 960 Pro's on Z370 without DMI bottlenecking ?

post #1 of 2
Thread Starter 
So I learned this on my old Z270 setup that just RAID 0'ing two Samsung 960 Pro's on in the M.2 slots gives you minimal performance gains because of DMI bottleneck.

Out of curiosity and boredom I would like get them working as bootable RAID 0 partition this time around on my Aorus Z370 Gaming 7 motherboard. So what would be me options here ?


My first thought was using two of those M.2 PCIe Cards to connect the drives tp PCIe lanes coming from CPU. But is there a way to create a bootable RAID 0 partition this way ?




Or is my only option going with a M.2 PCIe RAID card with RAID controller on it ? And would going that way introduce some extra latency or other problems when using it as a boot device ?

These cards seem to be crazy expensive as well though which would kinda make the project pointless. Or does anyone maybe know one in the price range of 100-200$ ?




Thanks in advance guys !
post #2 of 2
You can only create a native bootable RAID array with somthing like the ASUS Hyper M.2 dual X8 or the new Hyper M.2 quad x16, and only if you have a newer mobo/CPU that supports VROC (Virtual RAID on CPU), and you have to use a compatible Intel M.2

That said, I'm doing somthing simular on my old X58, and it might be possible to creat a software RAID array through a bootloader like Clover. Not entirely sure how to get that working atm, still waiting on parts including the ASUS Hyper M.2 quad x16 card. Will most likely just RAID for stoarage through software RAID in OS to avoid the extra boot time of Clover.

Every single card I've seen that takes several M.2 drives and turns them into a RAID array has stated it's not possible to boot from them or only works with specific computer models (and even then I'm not sure it would even be bootable). Maybe it exists somewhere out there and does it right, but I havn't been able to find anything. That said you might be able to use Clover all the same with those.
Edited by Oleh - 10/20/17 at 6:25pm
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