NVME M2 drives: which slot to use?

2 NVMe SSD's which slot to put OS on and does it matter? what is a m 2 slot What can the slot be used for? Besides SSDs, the slot is most commonly used for WLAN cards, especially in notebooks Here, the more what slot game offers free spins M 2 is a slot that can interface with SATA , PCI Express

what is max bet on a high roller slot machine is a solid-state drive form factor primarily used as an operating system boot solution Lenovo ThinkSystem servers support drives either with