This is a world quality external hard disk developed by Seagate, one of the worlds largest HDD manufacturers. ●Seagate is one of the worlds leading hard drive manufacturers. With an advanced production control system that has been backed by over 2 billion shipments, we offer superior quality products to everyone. The sellers Elecom offers an easy Japanese connection guide and a fulfilling 4/7 telephone support system by domestic staff, so you can use it with confidence even for first-time buyers. Compatible with USB 3.1 (Gen1) for high-speed transfer of 5 Gbps (theoretical value) that is 10 times more than conventional USB 2.0. You can handle large data such as videos and photos. ● Pre-formatted in NTFS format, just plug it into a Windows computer and you can use it immediately. Connect to a TV with USB 3.1 (Gen1) / USB 3.0 compatible, and you can also use more convenient functions such as recording 2 programs. Specifications and compatibility depends on TV specifications. Excellent durability and supports 24-hour continuous TV recording. Sharp/Aquos, Toshiba/Legza, Sony/Bravi...