This is backwards compatible with USB 2.0 and 1.1 with their transfer speeds.
EXPANSION: Instantly add 4 USB 3.0 Ports to Any compatible device. Transform a single USB port into a full work station. The extended 2 ft cable allows for the perfect set up and easy access to out of the way ports.
Plug and play no drivers required.
CONVENIENCE: LED Indicators display power status for each port. Individual on/off switches enable you to easily connect and disconnect your devices with the push of a button.
1.SATA Interface - 2.USB 3.0 - 3.MSATA SSD Slot - 4.MSATA SSD Screw Holes