Features: Enhances your PC performances with PCIE5.0 X1 to U3 SFF 8639 Host Adapter, specifically for PM1735 NVMe PCIe SSDs, offering storage expansion and fast speed data transfer. This adapter features PCIE 1x interfaces that is transparent to the operating systems, requiring no additional and maintaining the speed and properties of SSDs. for enthusiasts and professional who need to integrate U3 SSDs into their systems without compromising on speed or compatibility. Perfect for use in high performances computings, this adapter allows for hot swapping capabilities, making for dynamic data centers and demanding workstations. With support for the U3 3mode specification, this host adapter ensures backward compatibility and 2port functionality, providing solution for modern storage needs. Specifications: Materials: metal Size:144x89mm/5.67x3.5inch Package Includes: 1PC PCIE 5.0 X1 to U3 SFF-8639 Host Adapter note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.