ST12000NM004G Seagate Exos X16 12TB SAS 256MB 3.5" Server HDD
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ST12000NM004G
High-Density 3.5-inch Enterprise SAS HDD with CMR reliability featuring the ST12000NM004G
The ST12000NM004G is a 12TB 3.5-inch enterprise SAS HDD designed for scale-out storage nodes and server HDD tiers where predictable latency and sustained sequential throughput matter more than flash-level IOPS. In modern CPU-centric storage servers, it complements multi-core x86 platforms by providing consistent CMR write behavior for RAID groups and erasure-coded pools, keeping rebuild and scrub operations deterministic under 24x7 duty cycles.
Within PCIe-attached SAS HBA or RAID controller architectures, the ST12000NM004G integrates as a single-port SAS device optimized for dense JBOD and 2U/4U storage. Its configurable sector format supports 512e and 4Kn to align with OS and filesystem block sizing, reducing write amplification and simplifying heterogeneous refresh cycles. PowerBalance/PowerChoice characteristics help maintain thermal and power envelopes in high-bay deployments while preserving steady-state performance for backup, archival, and bulk object storage.
Why Choose the ST12000NM004G?
The ST12000NM004G delivers an enterprise-appropriate density-to-bay ratio for capacity-led designs, enabling fewer spindles per usable TB while maintaining CMR integrity for RAID arrays. With self-encrypting drive capabilities and a 2.5M-hour MTBF profile, the ST12000NM004G supports scalable rollouts where security, serviceability, and predictable fleet behavior are primary architectural requirements.
Seagate engineers the Exos family around continuous operation, controlled vibration tolerance, and firmware behavior suited to shared SAS backplanes. This aligns the platform with data centre standards for hot-swap service, lifecycle management, and consistent qualification across storage nodes and backup repositories.
Key Applications:
- Data centre bulk storage tiers
- Scale-out storage nodes and JBOD shelves
- RAID arrays with CMR requirements
- Backup and archival repositories
- Enterprise server/workstation HDD tiers
At Happyware - Server Hardware you benefit from non-binding offers tailored to your rollout plan for the ST12000NM004G, helping you standardize drive fleets across storage nodes and RAID shelves. For multi-shelf deployments, bulk order discount options support predictable procurement and capacity expansion cycles.
Technical details of ST12000NM004G
How long is the Warranty and how you can get technical support for ST12000NM004G
| Warranty: | 36 months (part) |
|---|---|
| RMA through customer: | yes |
| RMA Url: | https://www.seagate.com/support/warranty-and-replacements/ |
| Description: | Items must be returned first for RMA. Advanced replacement is not available. No guaranteed delivery times specified. On-site service is not offered as standard. The warranty does not cover data loss. Regular data backups are recommended |
| Support Portal: | https://support.happyware.com |
|---|
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