This is a PA055 unit .....The Targus PA055 USB 4-Port Portable Hub Splitter Box in black is a versatile accessory for computers and tablets. It allows you to easily expand your system's capabilities by dividing the USB connection into four separate ports. With a compact and portable design, this hub splitter box is perfect for on-the-go use. Its universal compatibility and standard USB connections make it a convenient and practical solution for expanding your device's connectivity options.