Comprises of a high-class chipset ASM1153E+RTL5411+RTS5306, theoretical USB 3.0 speeds of up to 5 Gbps. Backwards compatible with USB 2.0 and 1.0. Supports all 2.5-inch and 3.5-inch SATA drives up to 8TB capacity. Two USB 3.0 ports allow you to attach more USB peripherals. One SD Card Reader supports SD/SDHC/SDXC Slot up to 2TB. Tool-free installation allows for easy installation and quick mounting/unmounting. Automatic sleep function after idle for 30 minutes. Ideal for desktop use, hot-swappable; plug and play ready so there is no need install additional drivers.