Please read the notes regarding the listing 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! ・The internal HDD is from Western Digital, a well-established HDD manufacturer! ・Supports USB 3.2 (Gen 1) for high-speed communication! (Up to 5Gbps) ・Internal data has been completely erased! ・Formatted to GPT/NTFS, ready to use immediately with Windows PCs! ★Disadvantages★ ・Although it is in good condition, it is used, so there are fine scratches on the exterior. Please be aware of this if you are concerned. ・Includes only the main unit + USB cable + power adapter + power cord; there are no accessories such as a box or instruction manual. ・Please refer to the health status in the photos for the HDD condition. ・The manufacturer recommends a lifespan of 3 years, but the usage time has exceeded that, so the replacement recommendation lamp (orange lamp) is lit. Please be aware. ▼Specifications▼ Manufacturer: BUFFALO Model Number: HD-LE4U3-BA 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 ※It is formatted for Windows PCs, so if you want to use it with a TV, please reformat it for recording after connecting it to your TV. ※I have checked the operation before listing, but please note that there is no warranty for operation in case of failure as it is a used item.