I-O DATA LAN DISK 1TB (Model Number: HDL-AA1W, Made in Japan). This is a model for corporations/businesses equipped with a Linux-based NAS OS, offering enhanced manageability and reliability. The HDD has a capacity of 1TB and incorporates a "Western Digital Red" drive designed for NAS use, providing very stable performance. Items included: * Main unit (black) * Power cable There are no dents or scratches. The exterior is almost new. There are traces of labels, but please refer to the photos. It was working without any problems, but has been initialized to factory settings. Instructions for setup are available on the I-O DATA website. We will include setup guidance for those who purchase this item.