Recently decided to purchase an SSD (Plextor M8Pe, M.2 NVMe SSD PCIe 3.0 x4 with 1T) but didn't notice the format M.2 cannot be plugged directly onto my ASUS P8Z86-V PRO/Gen3 Motherboard.Thus I bought an X4 PCI Express to M.2 PCIe SSD Adapter to plug it on my board.
I noticed I have an PCIe 2.0...