M.2 Key A+E: This key type is primarily used for wireless communication modules, such as Wi-Fi and Bluetooth cards. It features a single notch and supports PCIe interfaces. This adapter can convert BCM94360CS2/BCM943224PCIEBT2 card to NGFF(M.2) Key A/E interface for Mac OS and Hackintosh. This adapter is not suitable for notebook/laptop due to height bottleneck limit, it is suitable for desktop motherboard with NGFF(M.2) key A/E connector. Supports only 2230 type M.2 key A/E connector. No additional power required. The B-key and M-key SSD NGFF don't work. This adapter does not contain BCM94360CS2/BCM943224PCIEBT2 card.