ORICO NS400-U3 4-bay USB 3.0 Type-B to SATA External Hard Disk Box Storage Case Hard Drive Dock for 3.5 inch SATA HDD, Support UASP Protocol 1. Milestone of Tool-free: Patent design of six core magnetic. Patented tool-free magnetic opening style makes changing hard disk smoothly. Compared to other mechanical doors, with the built-in permanent magnet, you do not need to worry about the lifespan of mechanical door. The fluency of changing hard drives and stability is a revolutionary experience. 2. Synchronous support 40TB storage: Private enterprise capacity center. With the growing of enterprise and personal important information, cloud disk transformation and data security, owning a private array storage system to permanently save the data becomes very necessary. 3. Thick aluminum body, stronger than ever: The thickest part of the product is 3.5 mm, which makes the storage system firm and reliable, suitable for various situations. 4. Large capacity: Upgraded 100V-230V wide voltage and 78W power supply, can maintain stable and keep data security when meet large power consumption or different environments. With 40TB capacity and the future updated capacity, you will be free from worrying about the space. 5. Wide compatibly: Compatible with Windows, Linux, Mac and other popular operation systems. Works well with laptop, Surface Pro, Smart TV, PS4, XBOX, HD smart set-top box as entertainment library.