Mapower 3.5" SATA to USB + eSATA Aluminum External Enclosure Strong Aluminum Structure with front air-flow aperture panel leads to excellent heat dissipation and device protection for 3.5" HDD Convenient USB 2.0+eSATA high-speed interface for faster data accessing and transfer Vertical Streamlined Foot stand provides the best way to save space PC/MAC OS compatible w/ No hard drive size limitation Includes both USB 2.0 and SATA II data cables