The expansion card lets you take full advantage of the fast performance and compact size of PCI-e M.2 NVMe and SATA base M.2 also adding RGB Lighting to your system. The adapter connects directly to your computer motherboard to support an M.2 NVMe SSD through ultra-fast x4 PCI-e. It also can convert a M.2 SATA based SSD to SATA interface that can be directly connected to the motherboard SATA port. Comes with Advanced Aluminum alloy shell make heat-dissipation more Efficiently. The heat-dissipation function is maximized to facilitate heat dissipation of the hard disk during operation, and can fully utilize the powerful performance of the hard disk.