X299 Steel Legend with M.2 RAID 0 setup
X299 Steel Legend with M.2 RAID 0 setup
Hi there, I'm trying to configure RAID 0 using two M.2 drives on an ASRock X299 Steel Legend. The hardware I have includes an i7-7820X on the X299 and two Samsung 970 EVO M.2 drives. Both devices appear in the BIOS, but when I enable RAID mode, only one drive shows up for RAID setup—specifically M2_2 in the lower slot, while M2_1 isn't visible. I followed the ASRock manual for RAID installation instructions. Could you help me understand why M2 RAID might not work between these two M.2 ports? One is connected to the CPU and the other to the PCH? The old Z270 board worked fine, so I'm not sure what's different here.
Typically, NVMe RAID is managed via the chipset, meaning connecting the drives to it is generally necessary. While some boards allow you to run it with one connected to the CPU and the other to the chipset, many don’t offer this option. I believe ASRock models are among those that lack this capability. Even if your setup doesn’t fit that description, using both drives on the chipset can still improve performance.
It seems unlikely to work without a compatible adapter. Using a PCIe M.2 device in the GPU's PCIe slot might not be feasible.
They should provide an adapter supporting multiple M.2 slots, ensuring both the CPU and chipset are properly connected.
But I'm confused about why only M2_2 appears under "RST Pcie storage remaping" when switching from AHCI to RAID. Both drives should be visible if they're connected through the chipset. Before making that change, both 970 Evo units are listed. You can find a screenshot showing the correct setup here.