Seagate manufactures hard drives that specifically address the demand for hyperscale cloud scalability. As the flagship of the Seagate X class, the Exos X18 enterprise hard drives are the highest-capacity hard drives in the fleet. Exos X Series Hard Drives The most scalable drives in the datasphere, Exos X series hard drives integrate the latest technology in support of a secure and reliable cloud data centre. Scalable. Responsive. Innovative Designed to handle the most rigorous workloads, the Seagate Exos X series enterprise class drives are perfect, high-reliability solutions for servers, storage systems, and business-centric NAS systems. Whatever your applications, there’s an Exos drive for it.