9RZ268-150 Seagate Constellation.2 1TB 7.2K RPM SAS-6Gbps 2.5inch Hard Disk Drive

Overview of Seagate 9RZ268-150 Constellation.2 1TB HDD

The SEAGATE Constellation.2 1TB internal hard disk drive is engineered to deliver consistent performance, long-term reliability, and efficient data handling for enterprise servers and professional storage environments. Designed with a compact 2.5-inch form factor and powered by a 7200 RPM spindle speed, this SAS hard drive is optimized for data centers, business-critical applications, and scalable IT infrastructures where uptime and durability are essential.

General Information 

• Manufacturer: Seagate 
• Part Number: 9RZ268-150
• Product Type: Hard Disk Drive

Technical Specifications

• Interface : Sas-6Gbps
• Cache : 64 Mb
• Capacity : 1-TB(1000 - Gb)
• Maximum External Data Transfer Rate: 600 Mbps
• Rotational Speed: 7200 Rpm
• Buffer: 64 Mb

Detailed Physical Specifications

• Height: 1.7 cm
• Width: 6.4 cm
• Depth: 9.1 cm
• Approximate weight: 0.65 lb

The Seagate 9RZ268-150 1TB 7.2K RPM SAS-6Gbps HDD

Enterprise 2.5inch SAS hard disk drives represent a critical storage category designed for servers, data centers, and professional IT infrastructures where stability, uptime, and predictable performance are essential. This category focuses on small form factor drives that deliver a balance of capacity, speed, and reliability while fitting into dense rack-mounted systems. Drives in this segment are engineered to operate continuously under heavy workloads, making them ideal for virtualization platforms, database servers, application hosting, and mission-critical storage arrays.The Seagate Constellation.2 series fits squarely within this category, offering enterprise-grade features in a compact 2.5inch internal hard disk drive form factor. With a rotational speed of 7,200 RPM, a SAS 6Gbps interface, and a robust cache architecture, this class of hard drives is built to handle multi-user environments, sustained I/O operations, and demanding enterprise workloads without sacrificing efficiency or long-term durability.

1TB Capacity Hard Drives

Within the enterprise storage ecosystem, 1TB SAS hard drives play an important role as versatile building blocks. They are frequently used for operating system volumes, application data, structured databases, and tiered storage architectures where cost efficiency and performance consistency are equally important. The 1TB capacity point provides sufficient space for business-critical data while enabling administrators to deploy multiple drives in RAID configurations for redundancy and performance scaling.

Seagate Constellation.2 Storage Category

The Constellation.2 category is defined by its emphasis on reliability, efficiency, and compatibility with enterprise infrastructure standards. Drives within this segment are designed to operate around the clock, with firmware and mechanical components optimized for continuous operation. Unlike consumer-grade drives, enterprise SAS hard disks undergo extensive validation for vibration tolerance, error recovery, and thermal stability.

Small Form Factor Design

The 2.5inch form factor is a defining characteristic of this category. Smaller physical dimensions allow higher drive density within server chassis, enabling organizations to maximize storage capacity per rack unit. This design is particularly valuable in data centers where space efficiency and airflow optimization directly affect operational costs.

SAS 6Gbps Interface Advantages

Serial Attached SCSI (SAS) remains a preferred interface for enterprise storage due to its reliability, scalability, and performance consistency. The SAS 6Gbps interface used in this category provides a dedicated point-to-point connection between the drive and the controller, minimizing latency and avoiding bandwidth contention common in shared bus architectures.

Dual-Port SAS Connectivity

Many enterprise SAS hard drives support dual-port connectivity, allowing redundant data paths for high availability configurations. This feature is essential in enterprise storage systems where uninterrupted access to data is required even during maintenance or component failure.

7.2K RPM Drives

A rotational speed of 7,200 RPM places this category in an optimal performance tier for balanced enterprise workloads. While not designed for extreme low-latency applications, these drives deliver consistent throughput and reliable access times suitable for a wide range of server tasks.Operating at a rotational speed of 7200 RPM, this internal hard disk drive balances power efficiency with reliable performance. It is designed to maintain steady throughput in environments requiring sustained operations and predictable performance metrics.

Maximum Data Transfer Rate

The drive supports a maximum external data transfer rate of up to 600 Mbps, allowing rapid movement of large files and datasets. This makes it suitable for data-intensive processes such as backups, virtualization, and transactional systems.

Compact 2.5-Inch Form Factor Design

The 2.5-inch form factor allows this enterprise HDD to fit seamlessly into space-constrained server chassis and storage arrays. Its compact size supports higher drive density, enabling organizations to maximize storage capacity within limited rack space.

64MB Cache Buffer Benefits

The inclusion of a 64MB buffer cache enhances performance by temporarily storing frequently accessed data and smoothing out bursts of I/O activity. This cache plays a crucial role in improving response times for common operations while reducing mechanical seek activity, which contributes to longer drive lifespan.

Thermal Efficiency and Power Management

Power efficiency and thermal control are increasingly important in modern data centers. Enterprise 2.5inch hard drives are designed to consume less power than larger form factor drives while maintaining reliable performance.

Improved Cooling in Dense Systems

The compact size of 2.5inch drives allows better airflow within server enclosures. Enhanced cooling efficiency helps maintain optimal operating temperatures, extending component lifespan and reducing the likelihood of thermal-related failures.