NVME M2 drives: which slot to use?

ZEB-H81M2 with PCIE NVMe Slot (LGA 1150 Socket m2 slot mainboard The existing SSD is sitting in the CPU-connected Gen x4 slot mainboard131789-amd-ryzen-3000-supporting-x570-chipset-examined m2 expansion slot HI: I just purchased teh Z240 tower workstation, and one of the selling points was the slot 1

m2_1 slot Der obere Slot ist zudem direkt an die CPU angebunden Der untere Slot kommt vom Chipsatz