msi slotOne M.2 and PCIe x16 slot will always go through the CPU. If you use the other M.2 slot or any other PCIe slot, it goes through the chipset. Though depending on the board, I2 Slots DDR4-3200 Max 64GB: 2 Slots DDR4-3200 Max 64GB: 2 Slots Storage Capability: 2x M.2 SSD slot (NVMe PCIe Gen3) 1x M.2 SSD slot (NVMe PCIe Gen3) 1x M.2 SSD slot (NVMe