M.2 - Next Generation Form Factor (NGFF)
- is a specification for internally mounted computer expansion cards and associated connectors
- M.2 replaces the Mini SATA (mSATA) standard and the Mini PCIe (mPCIe) standard
- connects to Motherboard via one of:
- PCIe 3.0 ×4 lanes
- PCIe 4.0 ×4 lanes
- PCIe 5.0 ×4 lanes
- Serial ATA 3.0
- USB 3.0