vs NVMe: What is the difference when it comes to SSDs?

I want to add SSD drive in my notebook I find M2 slot marked as M2X3 What type M2 SSD can I use?

All PCIe Generations slots and slots are backward compatible so there is no need to worry about purchasing the wrong expansion card or NVMe SSD But you

what time does the lottery close I Guess what I am after is to know if an SSD can go in this slot Well since the does have 2 PCIe lanes it is possible to put there a

what are progressive slot machines M 2 is a slot that can interface with SATA , PCI Express