I am selling this item because I accidentally purchased it. It is new, unused, and unopened. Since it has not been opened, please contact the manufacturer directly for any defects. Quoted from Amazon: ↓↓↓ 【Magnetic Adsorption】Adopts an innovative magnetic adsorption design. No tools required, you can replace the hard disk by opening the top cover, which is easy and convenient. This is the latest 3.5-inch HDD case created by ORICO. 【90TB Large Capacity】A single bay can accommodate HDDs up to 18TB, supporting a total of 90TB of hard disk capacity, allowing you to store a vast amount of data. Suitable for companies, studios, hospitals, and other locations. 【High-Speed Transfer】Adopts USB3.0 TO SATA3.0 communication protocol, with a transfer speed of up to 5Gbps. Also supports UASP function, improving transfer speed by 20% compared to regular USB3.0. Features an automatic sleep function for power-saving design. 【Safe to Use】Large-area heat dissipation holes on the rear panel, combined with a silent fan at the bottom of the product, maximize the dissipation of heat when the HDD is operating, effectively reducing damage to the HDD. 【Compatibility/Convenience】Compatible with Windows/Mac/Linux systems. The LED lamp clearly indicates the operating status of the product. Includes a 12V6.5A (100~240V) power adapter, so you don't have to worry about insufficient power.