Coolmax CN-350 RJ-45/USB2.0 3.5-Inch Networking Hard Drive Enclosure 3.5-inch USB 2.0 networking hard drive enclosure for Mac and PC Easily file-shares between Windows, Mac, and Linux clients via network Thermal fan controller protects hard disk Password protection for folder-level security Complied with TCP/IP, SMB, FTP, SNTP protocol