They spend years and billions of dollars making electronics smaller, but I made this SSD a third of its size in 10 minutes. : r/sffpc
microware M.2 NVME SSD Enclosure Adapter USB 3.1 Gen 2 to NVME PCI-e m-Key Solid State Drive External Enclosure USB C Support UASP for NVME SSD Size 2230/2242/2260/2280 4 inch SSD Enclosure
Samsung packed 512GB of storage into a drive the size of a stamp | Mashable
SSD Form Factors | SNIA
M.2 SSD Overview: What is M.2 SSD & M.2 SSD VS SSD