The NEW DLink DUB-H4 4-Port USB2.0 Hub in black offers fast data transfer rates of up to 480Mbps through its Hi-Speed USB technology. With an external enclosure and four ports, this hub is compatible with both PC and Mac computers. It is designed for reliable operation within a temperature range of 32 ˚F to 104 ˚F, making it a versatile and efficient networking solution for various devices.