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

NVM Express or Non-Volatile Memory Host Controller Interface Specification is an open, logical-device interface specification for accessing

expansion slot is the specification for internal expansion cards on computers' motherboards Intel first introduced slot in 2012 as

what slot machines pay the best With dual NVMe PCIe * connectors onboard, GIGABYTE Motherboards bring users to experience NVMe mode or SATA mode connectivity for SSD devices

what are the odds of winning on slot machines NVMe SSDs are the fastest you can buy these days and they almost always come in the format On the surface level, they look exactly like SATA ones, but