The Exos M features breakthrough 3TB-per-platter density, enabling massive storage capacity in the same footprint for maximised AI-driven data centre efficiency. The Mozaic 3+ platform achieves this through a combination of heat-assisted magnetic recording (HAMR) technology and next-generation reader/writer head design, delivering a 50% capacity jump over the X20 in the same standard 3.5″ 1.0″ form factor. It blends 90% of trusted, proven components from previous Exos generations with Mozaic 3+ technology, ensuring deployment confidence and infrastructure compatibility for existing Exos customers.

Exceptional Power Efficiency

The Exos M reduces power consumption by up to 60% compared to 10TB drives, delivering lower operational costs and energy consumption in support of sustainability goals. It offers 3× the power efficiency per terabyte compared to typical drives — a critical TCO advantage for organisations managing dense rack deployments where power and cooling costs are significant operating expenses.

Sustainability at Scale

Built with more renewable energy and recycled materials than any previous Seagate product, the Exos M enables businesses to align with their own sustainability initiatives while reducing environmental impact. Engineered for optimal heat dissipation, it ensures reliable performance without increasing cooling requirements in the data centre — a meaningful advantage when scaling to high-density rack configurations.

Drop-In Enterprise Compatibility

The Exos M maintains the same form factor, interface, and cooling as previous Exos generations, simplifying integration into existing infrastructure and reducing upgrade complexities. The SATA 6Gb/s interface means no SAS HBA is required, hot-plug support enables live drive replacement, and the 512e sector format ensures broad compatibility across legacy and modern storage platforms.

The ST30000NM004K is the current flagship of Seagate’s enterprise HDD lineup and represents the state of the art in spinning storage technology. It is a new/current-generation drive rather than legacy pull stock — ideal for organisations building out greenfield storage infrastructure, upgrading existing Exos deployments, or pursuing maximum storage density per rack unit. The SATA interface and drop-in form factor compatibility make it immediately deployable in any system that previously ran Exos X16, X18, or X20 drives.

Key Highlights

• 30TB — the highest capacity in the Exos lineup and among the highest available anywhere
• Mozaic 3+ platform with breakthrough 3TB-per-platter areal density
• Up to 60% lower power consumption per TB vs older 10TB drives
• 3× power efficiency per terabyte vs typical enterprise drives
• 512MB cache — double the X20’s buffer for improved mixed-workload performance
• SATA 6Gb/s — no SAS HBA required, drop-in compatible with existing Exos infrastructure
• CMR recording — consistent, predictable write performance across all workloads
• Helium sealed design for cool, efficient, high-density operation
• 2,500,000 hour MTBF and 0.35% AFR
• 5-year limited warranty
• 550TB/year workload rating — true 24/7 enterprise duty cycle
• Hot-plug support for live drive replacement
• Built with more renewable energy and recycled materials than any previous Seagate product

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