This is an external USB hard drive, a combination of a 6TB HDD made by Toshiba and a case made by Logitec. HDD: TOSHIBA MD04ACA600 Case: Logitec LHR-EKWU3BK Interface: USB3.1 Gen1 Please refer to images 4-6 (catalog images of the case) for functions and specifications. The accessories are all shown in image 3. There is no box or instruction manual. - USB connection cable - AC adapter - Stand It was used for offline data storage, so the number of power-on times and usage hours are extremely low. Please check the screenshot of CrystalDiskInfo in image 7. It was used indoors and stationary, so there are almost no scratches or stains. Data has been deleted and formatted to exFAT.