This is an offering to assist with the repair of the DIGA BWT660, specifically for replacing the internal HDD. Please note that this item alone cannot perform the repair. You can create a backup disk for when your HDD fails by cloning the data from this item to a working 1TB HDD. * The HDD's performance is abnormal, as shown in the fourth photo. However, cloning its data to your own 1TB HDD and then installing that HDD will allow the recorder to boot normally. Please do not directly install this item. * I have successfully used this item for repairs. However, I cannot provide support or warranty for the replacement. Please research and understand the process before using this item. * This item is an HDD containing the "system binary" for the BWT660, but it is a hidden file and cannot be viewed on a computer. * The recorder body on the left side of the fourth photo is not included. * To avoid any issues, this item is listed as "junk." It is priced accordingly. Thank you for your understanding. Inventory Number: 17