Not all devices are created equal, and this can be seen with the ToughArmor MB998SK-B which skews the realm of possibilities. It boasts the ability to house an unprecedented 8 x 2.5" SATA drives with 5mm to 7mm height into a single external 5.25" bay, making it the ultimate solution for storage dense applications. The unique hot-swappable 2.5" EZ Slide Nano trays let you painlessly and quickly swap out drives. Dual 40mm fans keep your drives nice and cool while ventilated openings located on the front and sides maximize airflow. The MB998SK-B features a rugged heavy duty full metal housing which is commercially designed for Medical & Military systems, IPC, enterprise, and industrial settings.