Installing an M2 SSD into an Optiplex 7040

Different Types of M2 SSD SATA or NVME can i use m 2 sata in nvme slot 2, also known as NGFF is the successor of the mSATA standard for expansion cards is very flexible and is widely used as an can we book visa slot without i20 You can use a SATA SSD in your laptop, there's not much noticeable difference between these drives except in larger file transfers 0

can you use ddr3 in ddr4 slot System: Dell R7450 with 24x SFF slots supporting NVMe I know SATA can be used in regular SAS slots 3 and ssds * aggregate 4