PPA Int'l 2179 3.5-in Aluminum USB 2.0 and Serial ATA External Case Box Contents - Package Contents - Hard Driver Enclosure, External Power Adapter, Power Core Cable, Driver CD USB 2.0 - Suitable for 3.5 HDD, Up to 480Mbit/sec on data transfer, Enhanced IDE/ATA/ATAPI protocol, USB1.1 downward compatible, Support ATA PIO modes0-4, Ultra DMA 2 & 4, Support hot swappable SATA - Up to 150M Byte/sec on data transfer, Support low voltage transfer, Hot swappable, Hot plug & play, Simple cabling system, Up to 1 meter (3 feet) on distance between device and the host