The TowerRAID TR5M+BNC is a compact JBOD tower utilizing the latest SATA port multiplier technology, where one single eSATA cable connects to four SATA hard drives. Four hard drives can be accessed from the computer individually, providing instant storage expansion with ease. Designed with easy installation in mind, the TR5M+BNC allows instant setup by simply inserting the hard drives after opening the protective ventilating cover. Port Multiplier technology is widely available in current eSATA port, including home sever, laptop and personal computer, and an optional port multiplier supported eSATA controller can be purchased for added performance and functionality, such as RAID application. TR5M+BNC supports Windows, Linux and Mac, including storage expansion, home server applications as well as personal data backup.