The My Book Premium Storage 3.5 4TB USB 3.0 Desktop External Hard Drive is a black external hard drive with a storage capacity of 4TB. It is designed with a sturdy build and is manufactured in Thailand. The drive is compatible with USB 3.0 technology, making it fast and efficient for data transfer. With the My Book brand name and premium storage model, this external hard drive is a reliable choice for storing and accessing large amounts of data for personal or professional use.