Naked Clan's Ochi-dai TWIN CROS2U3CP6G Century CENTURY Purchased new, used twice, and then stored. Operation confirmed. Manufacturer's Description ---------------------------------------- Convenient with two! A cradle with a cloning function that allows you to easily add up to two HDDs/SSDs! Data transfer and HDD/SSD cloning are possible with this one unit! You can copy the entire HDD/SSD with the product itself without connecting to a PC. High-speed transfer with USB 3.0 connection (UASP compatible)! Equipped with an energy-saving mode that stops the HDD rotation in conjunction with the PC's ON/OFF. Supported OS: Win11 Win10 Win8.1 Win7 MacOS10.9 or later Connection method: USB 3.0 Supported HDD/SSD: 3.5 SATA HDD 2.5 SATA HDD 2.5 SATA SSD Functions/Features: SATA 6G compatible, cloning function, cradle type ---------------------------------------- Instant purchase is OK! Thank you.