Please read the notes regarding listings in my profile. Items will be shipped on either Saturday or Sunday. If you need the item urgently, please consult with me via comment before purchasing! This is a listing for a used 4TB USB external hard drive. ★Key Features!★ ・Large capacity 4TB model! ・Excellent condition with only 421 hours of use! ・The internal HDD is a reliable HDD from Seagate, a well-established HDD manufacturer! ・Supports USB 3.2 (Gen1) for high-speed communication! (Up to 5Gbps) ・Internal data has been completely erased! ・Formatted to GPT/NTFS, ready to use with Windows PCs! ★Disadvantages★ ・Although in good condition, it is used, so there are minor scratches on the exterior. Please be aware of this. ・Includes only the main unit + USB cable + power adapter + power cord. There are no other accessories such as the box or instruction manual. ・Please refer to the health status in the photos for the HDD condition. ▼Specifications▼ Manufacturer: BUFFALO Model Number: HD-LE4U3-BB Capacity: 4TB USB Interface: USB 3.2 (Gen 1) / 3.1 (Gen 1) / 3.0 / 2.0 Power: AC100V 50/60Hz External Dimensions (Width x Height x Depth): 114 x 33 x 171mm *Main unit only (excluding protrusions) Weight: Approximately 900g (main unit only) ▼4TB TV Recording Time Guide▼ Terrestrial Digital HD Rate: Up to 17Mbps, approximately 480 hours BS/Digital HD Rate: Up to 24Mbps, approximately 360 hours 4K Broadcast Rate: Up to 33Mbps, approximately 260 hours ※Formatted for Windows PCs. If you intend to use it with a TV, please reformat it for recording after connecting it to your TV. ※I have performed basic operation checks before listing, but please note that there is no warranty for malfunctions as this is a used item.