This G-Technology 4TB G-Drive USB 3.0 Hard Drive External is a high-quality portable storage device compatible with both PC and Mac. It features a sleek silver colour and a 3.5-inch form factor, making it easy to carry around. The hard drive is designed with a rotation speed of 7200 RPM and a low noise level, providing a reliable and efficient storage solution. This external hard drive is perfect for storing all your important files and documents, with a storage capacity of 4TB. It also comes with a USB specification of USB 3.0, ensuring fast and efficient data transfer rates. The G-Drive is a part of the G-Technology product line and is sold as a single unit.