Hi all, Late summer last year I put a new rig together using an Asus Z270F (i7 7700K). Storage for the system is currently configured with: 2x Samsung NVMe 960 EVO's (one in each M.2 slot on the motherboard) 4x Samsung 850 Pro 2.5" SSD (using 4 of the available 6 SATA ports on the motherboard) Now the problem is this, I've got a pair of 850 EVO SATA M.2 drives which I'd also like to add into the system via PCI-E risers. I'd started with a pair of Asus's Hyper M.2 riser cards - but they're not actually compatible with the M.2 850 EVO's (they are PCIe/NVMe only?) and I must confess to getting a bit confused pinning down exactly which riser I should be looking for. In the interest of finding a work around though, I'd tried moving one of the NVMe drives onto the riser, and fitting one of the 850's into the motherboard slot - which kind of worked in that the NVMe drive picked up - but bizarrely one of the 2.5" SATA SSD's disappeared. I've a horrible feeling I've maybe hit some sort of support limit due to the number of lanes otherwise in use and I'm hoping someone might have some input? Cheers! (Note, mainboard is also running a GTX 1080 Ti and 32GB (4x8GB) DDR4 - not that I suspect that's particularly relevant) Addendum: Yes, I realise there's both Motherboard and Storage sub categories, but I can't tell yet where the problem here is, and I didn't want to double post!