ICY DOCK ToughArmor MB992SKR-B Dual Bay Raid 2.5" to 3.5" SATA SSD / HDD Mobile Rack. Every year, technology is becoming more and more advanced and is constantly improving. These improvements includes improve enhanced functions in smaller and smaller packages. This is why 2.5" solid state drives and hard drives are becoming more popular due to its low power consumption and space-saving benefits, which are superior to 3.5? SATA hard drives in almost every category. Combine with the extra bandwidth of the SSDs and the raw power of the processors; enterprises are able to accelerate their project-development process. Since 2.5" SSDs and HDDs have smaller storage capacities compared to 3.5" hard drives, maximizing the storage density in limited spaces have become the most important task for many storage consulting firms; a task they are faced with often. The ToughArmor MB992SKR-B is designed specifically for systems with space limitations by fitting 2 x 2.5" SSD / HDD into a single 3.5" front device bay. With its built-in high performance hardware RAID processor, the MB992SKR-B gives users the option to choose between RAID 0, RAID 1, BIG and JBOD modes. The built-in RAID function allows you effortlessly add a 2.5" SSD/HDD RAID array to any system without needing to add a RAID controller card. The MB992SKR features a heavy duty full metal construction which is commercially suitable for medical & military systems, government agencies, Industrial PCs, SMB workstations, VM workstations, mobile DVR systems, aerospace computers, automation systems and embedded systems.