Complies with Universal Serial Bus Specification Ver. 3.0. Hot-Swappable with 6 Memory Card Slots compatible with up-to-date Memory Cards. Slot to Slot Read & Write Operation; Supports data transfer between memory slots (excepts between SD/MMC Slot and TF Slot and between MS/MS Duo Slot and M2 Slot). Built-in over current protection can protect devices and host itself effectively. Support USB 3.0 to Sata interface USB 3.0 with high speed up to 5.0Gb/s backward with USB 2.0/1.1. With one USB 3.0 Port Notes: * USB3.0 20P connector input only work with USB3.0 M/B * To ensure USB 3.0 transfer speed highest quality USB 3.0 cables and devices are required.