1、Equipped with USB 3.1, this expansion board support a fast transmission speed up to 500-1080M/S. 2、Supports hot plug and instant start. Convenient to replace multiple USB. No need to shut down the system when connecting/disconnecting devices. 3、15PIN power supply port has strong power. Equipped with SATA 15PIN power supply backup interface, ensures strong power supply. 4、Extend future host performance, supports Type‑c blind plugging, has extensive downward compatibility. 5、Supports the new high-speed PCI-E 3.0 specification and is backward compatible with the PCI-E 2.0 specification. Applicable interfaces: PCI-E1x/4x/8x/16x. 6、Complies with the new USB 3.1 specification revision 1.1 formulated by for Intel.