M.2 (NGFF) Connector

M.2 Connector, formerly known as the Next Generation Form Factor (NGFF), is a specification for internally mounted computer expansion cards and associated connectors. It supports multiple add-in cards, such as Wi-Fi, Bluetooth, satellite navigation, NFC, digital radio, WiGig, WWAN, and SSDs. ATTEND provides A, B, E, and M key in 3.2mm and 4.2mm (optional).