2 NVMe SSD's which slot to put OS on and does it matter?

My small Kingston A2000 drive works and boots in either nvme slot The P3 works only in the first slot I've checked

There are two types of SSDs: SATA and NVMe SATA uses an older interface with one designed around hard drives while NVMe is designed for flash memory

m2 sata vs nvme slot 2 slot is rectangular, with possible widths of 12, 16, 22, or 30 millimeters Most solid-state drives are 22 millimeters wide Lengths can

m2 slot On your board, only one slot is connected to the chipset, M2_1, so it should be easy to find out which drive is in that bus with HWiNFO64 Two