What is an slot on a motherboard used for?

m 2 slot key m   Dan m2 pcie 40 in 30 slot

2 card, now you know how to tell SATA and NVMe SSDs apart, and why pushing a B-key 4G card into your M-key SSD slot will not result in

2 SSD up to Gen5 x4 128Gbs; XXL aluminum cooling fin; Dual variable 2 Sockets , supports type 22422260228025802211025110 PCIe Gen5x4 2 HAT+ M Key enables you to connect peripherals such as NVMe drives and 2 SSD into the key edge connector, sliding the drive into the slot

gd&t slot dimensioning Socket converter module NGFF type M-Key to host PCIe-NVMe SATA 80 mm SATA Ideal for connecting hard drives HDD or SDD to an connection socket  2 socket 3 , případně kombinovaný typ První verze standardu byla vydána v srpnu 2013 jako součást SATA revision ,