Seagate ST12000NM000J 12TB 3.5-inch SATA Enterprise HDD
Brand: Seagate | Category: Enterprise HDDs
SKU: SEA-ST12000NM000J | Part #: ST12000NM000J | MPN: ST12000NM000J
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About the Seagate ST12000NM000J 12TB 3.5-inch SATA Enterprise HDD
With a 256MB cache buffer and sustained transfer rate of 261MB/s, the Seagate ST12000NM000J 12TB 3.5-inch SATA Enterprise HDD delivers the performance profile needed for backup, NAS, and archive deployments at scale. This Exos X18 series drive combines 12TB formatted capacity with SATA 6Gb/s connectivity, offering enterprise-grade reliability for storage architects and IT procurement teams evaluating large-capacity solutions.
The ST12000NM000J leverages Conventional Magnetic Recording (CMR) technology and operates at 7200 RPM spindle speed, achieving interface transfer rates up to 600MB/s. Seagate engineered this drive for demanding 24/7 workload environments, supporting an annualized workload rate of 550TB/year with an MTBF of 2,500,000 hours and annualized failure rate of 0.35%. Operational temperature range spans 5°C to 60°C, while active power consumption during read/write remains efficient at 7.8W. Rotational vibration compensation and robust shock handling—70Gs operating and 250Gs non-operating—protect against physical stress in multi-drive array configurations.
Typical Enterprise Workloads
- High-capacity NAS systems requiring dense, reliable 12TB storage per bay with sustained throughput
- Backup and archival repositories leveraging 550TB/year workload capacity across fault-tolerant arrays
- Data center storage expansion where 7200 RPM performance and 261MB/s transfer meet cost-per-capacity targets
- Multi-drive RAID configurations benefiting from vibration compensation and extended MTBF ratings
- Always-on environments where 5.0W idle power consumption optimizes operational expense over product lifecycle
For detailed specification sheets, compatibility matrices, and bulk pricing on the Seagate ST12000NM000J, contact Omnixon Global to submit an RFQ today.
Technical Specifications
| Brand | Seagate |
| Category | Enterprise HDDs |
| SKU | SEA-ST12000NM000J |
| Part Number | ST12000NM000J |
| Condition | New |
| Capacity | 12TB |
| Form Factor | 3.5" |
| Interface | SATA 6Gb/s |
| Speed | 7,200 RPM |
| Manufacturer Part Number | ST12000NM000J |
| Series | Exos X18 |
| Formatted Capacity | 12TB |
| Form Factor | 3.5-inch |
| Interface | SATA 6Gb/s |
| Recording Technology | Conventional Magnetic Recording (CMR) |
| Cache Buffer | 256MB |
| Spindle Speed | 7200 RPM |
| Sustained Transfer Rate (OD) | 261MB/s |
| Interface Transfer Rate | Up to 600MB/s |
| MTBF | 2,500,000 hours |
| Annualized Failure Rate (AFR) | 0.35% |
| Workload Rate (Annualized) | 550TB/year |
| Power Consumption (Active, Read/Write) | 7.8W |
| Power Consumption (Idle A) | 5.0W |
| Operating Temperature | 5°C to 60°C |
| Rotational Vibration Compensation | Yes |
| Shock (Operating) | 70Gs (2ms) |
| Shock (Non-Operating) | 250Gs (2ms) |
| Sector Size | 512e / 4Kn (user selectable) |
| Weight | 730g (nominal) |
Frequently Asked Questions about Seagate ST12000NM000J 12TB 3.5-inch SATA Enterprise HDD
What does the Seagate ST12000NM000J 12TB 3.5-inch SATA Enterprise HDD do?
At 12TB, the Seagate ST12000NM000J 12TB 3.5-inch SATA Enterprise HDD suits enterprise data-center storage tiers — all-flash arrays, hyperconverged storage pools (vSAN, Ceph), database backends, and high-throughput backup repositories. The SATA 6Gb/s interface is supported by major server platforms.
What are the headline specs of the Seagate ST12000NM000J 12TB 3.5-inch SATA Enterprise HDD?
Key specifications for the Seagate ST12000NM000J 12TB 3.5-inch SATA Enterprise HDD: capacity 12TB; form factor 3.5-inch; interface SATA 6Gb/s; new condition; capacity 12TB; form factor 3.5-inch; interface SATA 6Gb/s; drive class Enterprise HDD; typical spindle speed 7200 RPM; use case Servers, NAS, JBOD, and storage arrays. Manufacturer part number ST12000NM000J. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.
Is the Seagate ST12000NM000J 12TB 3.5-inch SATA Enterprise HDD compatible with my infrastructure?
The Seagate ST12000NM000J 12TB 3.5-inch SATA Enterprise HDD uses a SATA 6Gb/s interface in a 3.5-inch form factor. It's compatible with server platforms that expose this interface — typical deployments include Dell PowerEdge, HPE ProLiant, Lenovo ThinkSystem, and Supermicro SuperServer chassis. For specific vendor part-number compatibility, our team validates against the manufacturer support matrix.