M.2 vs SATA SSD Comparison
M.2 SSD is a small form factor SSD for thin devices, supporting PCIe and SATA. SATA SSD is a versatile interface SSD for desktops and laptops, available in 2.5-inch enclosures. M.2 offers higher performance but smaller capacity, SATA provides 3-4 times bandwidth
- easeus.com