Targus ACH105US 4-Port USB 2.0 Hub for Mac Targus ACH105US 4-Port USB 2.0 Hub for Mac General Features: Color: Lunar Grey Designed expressly for Mac users (works great with PCs too!) Compact size ideal for travel Wraparound cable fits snugly around the hub and protects the USB ports when not in use USB interface Four (4) USB 2.0 ports Data Transfer Rate: up to 480 Mbps Designed to support up to four (4) USB devices