This is the Seagate Exos X24 12TB enterprise server hard drive, the same enterprise-class nearline line as the 20TB Exos X24 above at a smaller capacity point. It's a 3.5-inch SATA 6Gb/s drive spinning at a full 7200rpm for enterprise-grade performance, built for continuous 24/7 operation in servers, storage arrays and data centres rather than desktop or consumer NAS use. It ships in the 512E/4Kn sector configuration with ISE (Instant Secure Erase) support, letting IT administrators cryptographically wipe the drive's data instantly when it's decommissioned or repurposed to a different system, and it carries the higher workload rating and reliability specification typical of Seagate's Exos enterprise line rather than a consumer or NAS-class drive. At 12TB it's a practical fit for smaller server deployments, boot/bulk storage tiers, or environments standardising on the Exos line across a mix of capacities.