M.2

A specification for internally mounted computer expansion cards and connectors, commonly used for SSDs and other high-speed data transfer devices. It supports multiple interfaces, including PCIe and SATA, and offers high performance, especially with NVMe support. M.2 modules come in various sizes and have different keying notches to indicate their interface and functionality, making them suitable for a wide range of computing applications, particularly for users seeking enhanced data transfer speeds and compact form factors.