Seagate Exos X18 ST12000NM004J 12TB 7200 RPM 256MB Cache SAS 12Gb/s 3.5″ Hard Drives
Exos X18 12TB
Scalable. Responsive. Innovative.
For everything hyperscale, there’s Exos® X— the most powerful way to access the datasphere and harness the full potential of the cloud. Exos X18, Exos X16, Exos 2X14, and Exos X10 enterprise hard drives integrate the latest technology in support of a scalable, secure, and reliable cloud data center. Specifically designed to work in highly scalable environments requiring low power consumption and weight, the Exos X series hard drives perform consistently while scaling to meet the stringent TCO requirements of most cloud-based data centers.
Scalable. Responsive. Efficient.
- Performance-optimized hard drives for heavy application usage, support workloads of up to 550TB per year
- Designed for 24×7 storage environments and backed by a 2.5-million-hour MTBF rating and data recovery software
- High-reliability enterprise hard drives for servers, storage systems, JBODs, and business NAS systems
- 5-year limited warranty for the extra peace of mind
Scalable
- Highest 18TB hard drive performance with enhanced caching, making it perfect for cloud data center and massive scale-out data center applications.
- Maximize rack storage with fewer drives per rack and slot overhead per petabyte.
Responsive
- Get up to 270 MB/s data transfer rates for quick and reliable migration of massive amounts of data.
- Digital environmental sensors to monitor internal drive conditions for optimal operation and performance.
Innovative
- Next-generation helium side-sealing weld technology for added handling robustness and leak protection.
- PowerBalance™ and PowerChoice™ features optimize Watts/TB to lower TCO.
 specifications:
| Specification | Value |
|---|---|
| Device Type | Hard drive – internal |
| Capacity | 12TB |
| Interface | SAS 12Gb/s |
| Buffer Size | 256MB |
| Features | PowerChoice, Dual Port, Low Halogen, Super Parity, Hot-Plug Support, T10 Data Integrity Field (DIF), PowerBalance, advanced format 512e, advanced format 4Kn, Organic Solderability Preservative, Seagate Fast Format, Conventional magnetic recording (CMR), Helium Sealed-Drive Design |
| Width | 101.85 mm |
| Depth | 147 mm |
| Height | 26.1 mm |
| Weight | 650 g |
| Drive Transfer Rate | 1.2 GBps (external) |
| Internal Data Rate | 270 MBps |
| Average Latency | 4.16 ms |
| Spindle Speed | 7200 rpm |
| MTBF | 2,500,000 hours |
| Non-Recoverable Errors | 1 per 10^15 |
| Interfaces | 1 x SAS 12Gb/s |
| Power Consumption | 5W (idle), 9.1W (maximum), 6.2W (random read/write) |
| Service & Support | Limited warranty – 5 years |
| Operating Temperature | 5°C (min) – 60°C (max) |
| Shock Tolerance (operating) | 50G @ 2ms |
| Shock Tolerance (non-operating) | 200G @ 2ms |
| Vibration Tolerance (non-operating) | 2.27G @ 2-500 Hz |
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