Key benefits Flexible interface conversion: converts M.2 NGFF Key E to Mini PCIE, enabling broader compatibility in systems with different wireless card slots. Four antenna interfaces: supports multiple antennas for improved signal quality without needing to existing antennas. Plugandplay operation: no external power adapter required and no driver installation needed in typical use. Efficient and practical upgrade: allows you to reuse your existing antennas and upgrade or test wireless modules with a different form factor. What this product is An adapter that bridges between M.2 NGFF Key E modules and Mini PCIE slots, facilitating compatibility between wireless modules and devices that use Mini PCIE. Compatibility and interface Interface type: M.2 / NGFF Key E A to Mini PCIE Antenna support: includes four antenna interfaces to accommodate standard wireless configurations without antenna replacement Performance and practicality No extra power adapter or driver installation required in typical, supported environments Maintains stable operation by aligning with standard M.2 Key E to Mini PCIE interface specifications Use scenarios Laptop or compact PC upgrade: install a M.2 Key E wireless module in a device with a Mini PCIE slot to expand wireless capabilities without changing the slot type. Wireless module testing or evaluation: connect a variety of M.2 Key E wireless cards to a Mini PCIE system for performance comparisons, reusing existing antennas to simplify setup. Spare parts reuse and maintenance: a malfunctioning Mini PCIE wireless card by using an M.2 Key E module through this adapter, avoiding changes to power or driver configurations. Notes Please verify that your host device supports M.2 NGFF Key E to Mini PCIE adapters and that the wireless module you intend to use is compatible with this interface configuration. The description reflects the stated specifications: four antenna interfaces, no external power requirements, and no driver installation required in typical usage.