Installation of NVMe and SSD disks in laptops and desktops

What is the Maximum capacity for NVMe ssd I can use nvme m 2 slot laptop SATA SSDs can either take the form of or drives If your laptop has a spare slot, first check if supports NVMe, SATA, or both nvme and m2 slot difference And yes, as long as the slot says it's compatible for M-key it doesn't really matter if it's a laptop or a desktop computer's

nvme m2 slot laptop 2 Year - resQ Care Plan Extended Warranty Laptop Covers Screen 512 GB PCIe NVMe SSD Memory 8 GB Graphics Card - Sub-Brand Iris Xe