Best Buy: OWC ThunderBay 48TB 4-Bay External Thunderbolt Storage with Helium Technology Black OWCTB2SRT48.0S

Experience the first and only software RAID 5 technology developed for the Mac with the ThunderBay 4 RAID 5 Edition. Empower your workflow with up to 35% faster RAID 5 performance and exponentially faster rebuild times than comparable hardware based RAID arrays. Activate advanced features, such as drive monitoring, e-mail notifications, and more when you install the included SoftRAID 5 for ThunderBay for OS X. Hardware RAID has long been thought to be superior to software RAID, but we've now combined the massive performance and capacity of ThunderBay 4 with a robust, proven software RAID engine to provide breathtaking performance, flexibility, and reliability. ThunderBay 4 and the SoftRAID engine offers faster performance than many competing 4 or even 5-bay hardware RAID external drives – benefiting from modern processors that are both fast and designed for exceptionally high-performance RAID management with no real-world impact on apps or tasks. SoftRAID 5 for ThunderBay combines advanced RAID modes, fast performance, monitoring, e-mail notification, and fast rebuild capabilities that only software RAID can deliver. Software RAID easily lets you setup drive monitoring and e-mail notifications to keep you informed about your ThunderBay's performance and drive health. Helping you to maintain mission critical workflows. SoftRAID 5 for ThunderBay is extremely flexible and can easily be updated, reconfigured and used across multiple enclosures to provide an amazing amount of robust options to empower you to make the most of your ThunderBay workflow. Backed by OWC. Should you ever have a question or troubleshooting need, you can rely on OWC's award-winning U.S. based support for both the ThunderBay 4 drive and SoftRAID 5 for ThunderBay software. RAID 4/5/1+0 (10) is available for Mac only at this time