Logitec Direct HDD Case with RAID Function, 3.5-inch SATA [2-Bay (2 HDDs) / Compatible with Windows/Mac/TV Recording] Hard Disk Case, Made in Japan, LHR-2BRHU3 Selling because I'm switching to a NAS. Operation confirmed. About this product: [Can accommodate two hard disks] This is a 2-bay 3.5-inch hard disk case equipped with 3 types of RAID functions and a Single mode function. You can remove the top cover and insert the hard disks vertically, securing them with the included "hard disk fixing screws." *A Phillips head screwdriver is required for opening and fixing. (Not included with this product) *When setting up a hard disk for the first time in this product, it is necessary to build a RAID (including SINGLE), and all data on the hard disk will be erased. [Black body using aluminum material] The square body with sharp edges uses an aluminum body. [RAID management tool can be downloaded for free] Software that easily performs drive management, such as RAID configuration, from both Windows and Mac OS platforms. [Saving large amounts of data] Convenient for backing up data on your computer. Supports USB 3.0 standard, allowing for speedy transfer of large amounts of data. [RAID can be built] Set the RAID mode with the switch on the back. This is a technology that allows multiple hard disks to be used as one hard disk. By building a RAID, you can improve redundancy, such as speeding up storage, increasing storage capacity, and improving fault tolerance, thereby increasing reliability and availability. [Power link function] Equipped with a power link function that automatically turns the power of this product ON/OFF in conjunction with the ON/OFF of the computer. [Cooling FAN & security lock mechanism] Equipped with a cooling FAN on the back to promote heat dissipation and suppress the rise in internal temperature. Also has a security lock mechanism that allows a Kensington lock to be attached to prevent removal.