This M. 2 NVMe PCIe x4 Adapter with RGB Heat Sink is a unique product, it is designed for a very fast M. 2 NVMe module and comes with ARGB (Addressable RGB) LED to enhance the lighting in your system chassis. It is enhanced with two-level of heat management to protect the NVMe module; a Big Aluminum Heat Sink Block to covering the whole NVMe module for dissipating heat. The NVMe mounting support M. 2 module of different length from 30, 42, 60, or 80 mm. This adapter offers the fastest boot or data access. The PCIe interface using 4 lanes of data path straight to the NVMe resulting in super-fast boot/data transfer and the coolest RGB lighting inside the chassis.