Seagate Exos X18 14TB 3.5" 7200RPM SAS III 12 Gb/s Internal HDD

Overview

The Seagate ST14000NM004J is a 14 TB internal hard drive designed for enterprise environments that require large-scale data storage and fast access. It fits into any 3.5-inch bay with a SAS backplane and delivers sustained transfer rates up to 270 MB/s via a 12 Gb/s interface. With a spindle speed of 7200 rpm, it ensures predictable latency and smooth streaming of large data sets, making it suitable for virtual machine backups, analytics platforms, and continuous data center operations.

Encased in a helium-sealed enclosure, this drive balances power consumption and throughput using PowerBalance technology, helping reduce energy costs without compromising performance. Real-time digital sensors monitor temperature and vibration to maintain optimal operating conditions and extend the drive’s lifespan. Its reliability is reflected in a mean time between failures (MTBF) of 2.5 million hours and a five-year limited warranty.

Key features

• Helium-sealed design reduces power consumption and improves drive longevity
• PowerBalance technology optimizes energy use while maintaining high throughput
• 256 MB cache helps smooth out bursts of random I/O, enhancing performance during peak workloads
• Integrated sensors provide real-time monitoring of temperature and vibration for better environmental control
• 7200 rpm spindle speed delivers consistent latency for reliable data streaming
• Supports sustained transfer rates up to 270 MB/s for efficient data handling
• Designed for 24/7 operation with a 2.5 million-hour MTBF, ensuring dependable service in demanding environments
• Five-year limited warranty offers long-term peace of mind for enterprise deployments

Key specs

• Capacity: 14 TB raw storage
• Form factor: 3.5-inch
• Interface: SAS III 12 Gb/s
• Spindle speed: 7200 rpm
• Cache size: 256 MB
• Sustained transfer rate: up to 270 MB/s
• Mean time between failures (MTBF): 2.5 million hours
• Warranty: five-year limited

Connectivity and compatibility

This hard drive connects via a 12 Gb/s SAS interface, which is common in enterprise storage systems and high-density enclosures. It is compatible with servers, storage arrays, and RAID configurations that support SAS backplanes, making it a versatile choice for data centers and IT infrastructures that require reliable, high-capacity storage solutions.

Ideal uses and environments

The Seagate Exos X18 14TB is well suited to hyperscale data centers, cloud storage nodes, and enterprise RAID arrays that operate continuously. It fits high-density storage designs for object storage, content delivery networks, and tape-replacement archives. IT professionals managing SaaS platforms, video surveillance systems, or backup targets will find this drive meets the demands of large, growing datasets with consistent speed and reliability.