Verbatim PowerBay NAS RAID 3.5" 8TB USB/RJ45/eSATA Quad Hard Drive Enclosure 4 Bay NAS External SATA HDD Enclosure - Up to 8TB of storage. Network File Protocols: FTP, SMB, NFS, AFP. User Interface:HTTP Web browser  Internet Explorer V6 or later, Mozilla Firefox, Safari; Magical Finder utility. File Sharing:Max User Accounts:128; Max Groups:10; Max Shared Folders: 32. Supports: Windows 7, 2000, XP, Vista; Linux; Mac OS X 10.2 and higher.