This Seagate SAS Enterprise Hard Drive is a high-performance internal desktop drive with a storage capacity of 300 GB. It has a form factor of 2.5 inches and comes with a SAS interface, making it compatible with most computers, tablets, and networking devices. This hard drive is perfect for those who need reliable storage for their important files, documents, and multimedia. It is a great investment for anyone who wants to enhance their computer's performance and storage capabilities.