USB4 port up to 40Gbps for PCIe NVMe SSDs. When your computer is properly configured and your SSD is qualified, you can achieve impressive read and write speeds of up to 3800MB/s. Support of 8TB, this enclosure provides ample space to store a vast collection of files, pictures, videos, games, and more. Features a full aluminum alloy body and dual-sided perforated design, ensuring 360° all-around heat dissipation. The built-in fan provides powerful cooling, while a thermal silicone pad and an aluminum strip ensure rapid heat conduction. Designed to accommodate M key and B & M Key PCIe NVMe SSDs, this enclosure supports double-side SSDs in 2280 size(SSDs not included). It is also compatible with various operating systems, including Windows, Mac OS and Linux, enabling seamless data transfer across different devices. Please note that the enclosure does not support AHCI/ SATA SSDs. Plug and Play With its compact dimensions