is there a difference in m2 slots?

2 2280 is an SSD that is 22mm wide and 80mm long The form factor supports a range of widths, but on PC you'll basically only ever see 22mm wide drives

Crucial P3 500GB PCIe 3D NAND NVMe SSD, up to 3500MBs - CT500P3SSD8 ₹3,₹3, ₹3, · Crucial BX500 500GB SATA 3D NAND

nvme m2 slot There are two types of SSDs: SATA and NVMe SATA uses an older interface with one designed around hard drives while NVMe is designed for flash memory

nvme gen 4 in gen 3 slot 2 PCIe NVMe SSD will not be compatible with your SATA port Basically, different protocols and interfaces are used in both these connections