Seagate ST2400MM0129 2.40TB 2.5" 10000RPM SAS 12Gb/s Internal HDD

Overview

The Seagate ST2400MM0129 is a 2.5 inch internal hybrid hard drive designed for enterprise servers and storage systems that require a balance of large capacity and consistent performance. It offers 2.40 TB of storage combined with 16 GB of flash memory, which accelerates access to frequently used data. With a 10,000 rpm spindle speed and a 12 Gb/s SAS interface, this drive supports demanding workloads such as virtual machines, transactional databases, and real-time analytics by delivering fast data transfer rates and low latency.

Key features

• Hybrid design with 16 GB of flash memory to speed up access to frequently used data and improve overall responsiveness
• 12 Gb/s SAS interface that ensures smooth and efficient data flow for enterprise environments
• High spindle speed of 10,000 rpm combined with a 256 MB buffer to support quick internal data transfers
• Advanced sector format support for both 512e and 4Kn, simplifying migration from older systems to modern infrastructures
• Instant Secure Erase feature enables fast and secure drive retirement or redeployment, saving valuable administrative time
• PowerChoice technology reduces power consumption during idle periods, helping to optimize energy use in data centers
• Seagate RAID Rebuild accelerates recovery of RAID arrays after drive replacement, minimizing downtime
• Compact 2.5 inch form factor fits easily into dense server bays and blade enclosures, maximizing storage density

Key specs

• Capacity: 2.40 TB
• Flash memory: 16 GB
• Interface: 12 Gb/s SAS
• Spindle speed: 10,000 rpm
• Buffer size: 256 MB
• Maximum internal transfer rate: 270 MB/s
• Maximum external transfer rate: 1.2 GB/s
• Average latency: 2.9 ms
• Supported sector formats: 512e and 4Kn
• Operating temperature: 41 °F to 131 °F
• Form factor: 2.5 inch

Connectivity and compatibility

This drive uses a 12 Gb/s SAS interface, which is common in enterprise storage environments and supports high-speed data transfers. Its compatibility with both 512e and 4Kn sector formats allows it to integrate smoothly with a wide range of legacy and modern server systems. The 2.5 inch form factor is suitable for dense storage arrays, blade servers, and space-constrained racks, making it a versatile choice for expanding existing infrastructure or building new high-density storage solutions.

Performance and reliability

The combination of a 10,000 rpm spindle and onboard flash memory ensures that the drive delivers responsive performance for workloads that demand quick data access. The 256 MB buffer helps maintain steady data flow during intensive operations. Features like Instant Secure Erase and Seagate RAID Rebuild enhance data security and reduce downtime, which are critical in enterprise environments. PowerChoice technology also contributes to reliability by managing power consumption without sacrificing performance.

Ideal uses and environments

This hybrid hard drive is well suited to enterprise applications that require both capacity and speed, such as high-transaction databases, virtualized hosts, and real-time analytics platforms. Its operating temperature range aligns with typical data center conditions, so it can be deployed without additional cooling measures. The drive’s compact size and efficient power management make it a strong option for dense server configurations and storage area networks (SANs) where space and energy efficiency are priorities.