Features: With the popularization of USB3.2, more and more chassis will provide TYPE-E or 19pin front USB interfaces to switch- to the front of the chassis, but old motherboards do not support USB3.2 or interfaces without TYPE-E or 19pin! You can convert the PCI-E signal to the USB3.2 GEN1 19pin interface or TYPE-E interface through the M2 slot on the motherboard-, which allows you to plug- the 19PIN or TYPE-E of the panel into the expansion card. This provides a front ultra-high-speed USB3.2 interface, which is very convenient! The main-control chip adopts USB high quality NEC- and is also the third generation product D720202.It is one of the few expansion cards on the market that can support the LINUX-system To work-, it is necessary to plug- in the-power interface. The expansion card adopts an inductive capacitor, greatly ensuring the stability of USB power-supply. Hardware requirements: One motherboard- or laptop that supports M2 KEY-M NVME This product is a PCI-E or NVME expansion card, please do not plug- it into the M2 Sata slot. Specifications: Optional Type: 19Pin / Type-E Compliant with PCI-Express2.0 Complies with USB3.0 SuperSpeed1.0 Complies with xHCI specification-version1.0 Main-control chip: Renesas- uPD720202 chipset The maximum transmission rate is up to 5Gbps, much higher-than the 480Mb of USB2.0, up to 10times; Downward compatibility with USB2.0, USB1.1, and USB1.0 Transmission rate: 5000/480/12/1.5Mbps Built-in small 4PIN enhanced power-interface Supports USB hot swapping function Support WindowsXP/2003/Vista-/win7/win8/2003/MAC- 10.8 or higher-systems. Package Includes: 1pc M2 NVME Adapter Card note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurmenv