NVMe M.2 to PCIe 5.0 Adapter Card:Allows you to install an M.2 NVMe SSD into the M.2 Key M slot by converting one PCIe slot on the motherboard. Stable Performance: PCIe 5.0 supports maximum speed of 16GB/s, backward compatible with Gen5/Gen4/Gen3 SSDs, PCIe 5.0/4.0/3.0/2.0 and X16/X8/X4 slots. Compatibility: Compatible with M.2 SSDs (PCI-e NVMe)in sizes 80x22mm, 60x22mm 42x22mm and 30x22mm. Hardware Requirement: Available PCI-e 5.0/4.0/3.0 x4/x8/x16 Slot on Mainboard. Not compatible with SATA or AHCI SSDs No Limited on Capacity: Freely enjoy up to 4T storage. Designed with Heat Sink up-cover, it will strengthen the effect of heat dissipation to protect your NVMe SSD well! Wide Compatibility: Easy install and plug-and-play in Windows 11/10/8/7 and Linux/Mac OS (Note: The new M.2 NVMe SSD needs to be initialized and formatted before it can be recognized by the computer host.). To reach PCIe 5.0 full speed, the CPU and motherboard PCIe slot and PCIe M.2 SSD should all be PCIe 5.0 features