I want to upgrade the SSD of my laptop Need some help with

Top 5 Best Nvme SSD For Your Laptop, Desktop & AIO PC in nvme m 2 slot laptop The most common for storage devices on Motherboards is Key M, which is connected via 4 PCIe lanes and generally supports both NVMe and SATA SSDs with the nvme gen 4 in gen 3 slot 2280 SSD PCIe NVMe, PCIe x4 HDD with a standard, regular SATA III connector First slot already has an SSD in it

nvme vs m2 slot 2 SSDs are keyed at both M and B positions, so they can fit in SATA slots and PCIe , even if they might not work in the latter NVMe SSDs are keyed only