Seagate Exos X18 12TB Enterprise HDD
Brand: Seagate | Category: Enterprise HDDs
SKU: SEA-EXOS-X18-12TB | Part #: ST12000NM0007 | MPN: ST12000NM0007
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About the Seagate Exos X18 12TB Enterprise HDD
Operating at just 9.0W and idling at 5.0W, the Seagate Exos X18 12TB (part number ST12000NM0007) delivers exceptional power efficiency for large-scale datacenter deployments. For storage architects designing power-constrained JBOD environments, this low-wattage profile directly reduces operational costs while maintaining enterprise-grade reliability. Seagate engineered the Exos X18 with conventional magnetic recording (CMR) technology and a 256MB cache to balance performance and energy consumption across mixed workloads.
The Exos X18 sustains up to 261 MB/s transfer rates and supports a 550TB annual workload rating, making it ideal for always-on storage, archival systems, and surveillance infrastructure. Its 2,500,000-hour MTBF and dual-plane rotational vibration compensation ensure stability in multi-drive configurations. The Seagate drive operates reliably across 5°C to 60°C, tolerates 70G operating shock, and ships in industry-standard 3.5-inch form factor with SATA 6Gb/s connectivity. Whether you're a data center operator, IT procurement team, or infrastructure manager seeking to expand capacity without inflating power bills, this drive merges capacity, durability, and efficiency. Contact Omnixon Global to request an RFQ for the ST12000NM0007.
Key Specifications
- Formatted Capacity: 12TB
- Power Consumption (Operating / Idle): 9.0W / 5.0W
- Sustained Transfer Rate: Up to 261 MB/s
- Annual Workload Rating: 550TB/year
- MTBF: 2,500,000 hours
- Interface: SATA 6Gb/s, 3.5-inch, 7200 RPM
Technical Specifications
| Brand | Seagate |
| Category | Enterprise HDDs |
| SKU | SEA-EXOS-X18-12TB |
| Part Number | ST12000NM0007 |
| Condition | New |
| Capacity | 12TB |
| Form Factor | 3.5" |
| Interface | SATA |
| Speed | 7,200 RPM |
| Manufacturer Part Number | ST12000NM0007 |
| Formatted Capacity | 12TB |
| Form Factor | 3.5-inch |
| Interface | SATA 6Gb/s |
| Spindle Speed | 7200 RPM |
| Cache (Buffer) | 256MB |
| Sustained Transfer Rate (OD) | Up to 261 MB/s |
| Recording Technology | Conventional Magnetic Recording (CMR / PMR) |
| MTBF | 2,500,000 hours |
| Annual Workload Rating | 550TB/year |
| Rated Drive Writes Per Day (DWPD) | Not applicable (workload-rated) |
| Power Consumption (Operating) | 9.0W (typical) |
| Power Consumption (Idle) | 5.0W (typical) |
| Rotational Vibration Compensation | Yes (dual-plane balance, RV sensors) |
| Sector Size | 512e (512-byte emulation) |
| Height (Z-Height) | 26.11mm |
| Operating Temperature | 5°C to 60°C |
| Non-Operating Temperature | -40°C to 70°C |
| Shock (Operating) | 70G, 2ms |
| Shock (Non-Operating) | 250G, 1ms |
| Mean Time Between Errors (MTBE) | 1 in 10^15 bits read |
| Operating Hours | 24×7 continuous operation |
Frequently Asked Questions about Seagate Exos X18 12TB Enterprise HDD
What does the Seagate Exos X18 12TB Enterprise HDD do?
the Seagate Exos X18 12TB Enterprise HDD suits enterprise data-center storage tiers — all-flash arrays, hyperconverged storage pools (vSAN, Ceph), database backends, and high-throughput backup repositories. It is supported by major server platforms.
What are the headline specs of the Seagate Exos X18 12TB Enterprise HDD?
Key specifications for the Seagate Exos X18 12TB Enterprise HDD: new condition; capacity 12TB; interface SATA 6Gb/s; form factor 3.5 inch; read speed 255 MB/s; write speed 255 MB/s. Manufacturer part number ST12000NM0007. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.