ST20000NM007H Seagate Exos X24 20TB SAS 512 MB 3.5" Server HDD

High-Density 3.5in Enterprise SAS HDD featuring helium-sealed CMR reliability with the ST20000NM007H

The ST20000NM007H is a 3.5in internal enterprise HDD engineered for capacity-focused storage tiers in SAS servers and arrays, where predictable latency and continuous duty cycles are required. Built for modern backplanes, the ST20000NM007H integrates dual-port SAS for multipath I/O and high-availability controller architectures, supporting dense deployments without compromising serviceability.

In storage nodes and scale-out platforms, the ST20000NM007H aligns with PCIe-based RAID/HBA infrastructures by delivering stable sequential performance characteristics suited to rebuild operations, backup windows, and large object datasets. Its 4Kn format with 512e emulation and adjustable logical sector sizing simplifies integration into mixed-OS fleets, while a large cache helps absorb bursty writes from virtualization and log-heavy services. For data protection, the ST20000NM007H supports Protection Information and drive-level encryption to strengthen end-to-end integrity in compliance-driven environments.

Why Choose the ST20000NM007H?

The ST20000NM007H provides an efficient density-to-bay ratio for enterprise storage shelves, reducing rack footprint per usable TB while maintaining SAS-grade availability through dual-port paths. Designed for 24x7 operation and fleet-scale predictability, it fits well into tiered architectures where reliability, consistent behavior during rebuilds, and straightforward expansion are key to operational continuity.

Seagate designs Exos-class drives with an engineering focus on data center reliability, service life consistency, and standards-aligned interoperability across common SAS backplanes and storage controllers. Helium-sealed construction, CMR recording, and power management features are implemented to support always-on environments with controlled power profiles and stable thermal characteristics.

Key Applications:

• Capacity-optimized storage arrays
• Scale-out object and file storage
• Backup and archival repositories
• Virtualization and private cloud storage tiers
• Data lake and analytics staging

At Happyware - Server Hardware you benefit from non-binding offers tailored to your rollout scope for the ST20000NM007H and the option to extend warranty coverage up to 6 years to protect long-term storage investments in always-on infrastructures.