SEAGATE Exos 7e2000 1TB 7200RPM SATA-6GBPS 128MB Buffer 512n 2.5-Inch ST1000NX0423 HDD.

Product Overview Of SEAGATE Exos 7E2000 1TB 7200RPM HDD

The SEAGATE ST1000NX0423 Exos 7E2000 1TB 7200RPM SATA-6Gbps hard drive is engineered to deliver enterprise-class storage performance in a compact 2.5-inch form factor. Designed for consistent workload handling, this HDD is ideal for data centers, enterprise applications, and edge computing environments where reliability and space optimization are top priorities. Equipped with a 128MB buffer, 7200RPM spindle speed, and 512n sector format, this drive ensures seamless data throughput and high-performance I/O operations.

Key Specifications

• Model: ST1000NX0423
• Series: Exos 7E2000
• Capacity: 1TB
• Interface: SATA 6Gb/s
• Form Factor: 2.5-Inch
• Spindle Speed: 7200RPM
• Cache Buffer: 128MB
• Sector Format: 512n (Native 512-byte sectors)

Data Access and Transfer Efficiency

• Max Sustained Throughput: Up to 136 MB/s
• Average Latency: 4.16 milliseconds
• Single Port Interface: Ensures efficient data flow

Reliability and Longevity

• MTBF (Mean Time Between Failures): 1.4 million hours
• AFR (Annualized Failure Rate): Only 0.63>#/li###
• Low Halogen Components: Eco-friendly internal architecture
• Protection Information Support: Ensures data integrity in complex RAID environments

Form and Build

• Height: 15.0 mm
• Width: 70.1 mm
• Depth: 100.45 mm
• Weight: 198 grams

Robust and Scalable Storage for Demanding Workloads

The SEAGATE ST1000NX0423, part of the high-performance Exos 7E2000 family, is designed to support today's data-centric infrastructure. With a 1TB internal capacity and a compact 2.5-inch form factor, this enterprise-grade HDD is optimized for high-density environments and maximum uptime.

• Ideal for SAN and NAS deployments requiring reliable data throughput
• Perfect for media-rich content storage and cloud infrastructure
• Optimized for virtual tape libraries and D2D (disk-to-disk) backup solutions
• Well-suited for blade servers and entry-level enterprise systems

Comprehensive Hardware Specifications

The SEAGATE Exos 7E2000 1TB SATA 6Gb/s drive delivers consistent read/write operations with its 128MB cache and fast 7200 RPM spindle speed. It’s a dependable storage solution for enterprises looking for a balance between performance and endurance.

Durability, Efficiency, and Enhanced Data Integrity

Engineered for enterprise-grade resilience, this model provides superior MTBF ratings and advanced power optimization capabilities. Features like RAID Rebuild™ and PowerChoice™ technology make it suitable for large-scale deployments where efficiency is critical.

Strategic Applications Across Diverse IT Environments

From storing high-resolution media files to managing mission-critical databases, the Exos 7E2000 ST1000NX0423 model supports a range of enterprise and hybrid cloud workloads. It’s purpose-built for maximum scalability and adaptability.

Designed For:

• Heavy storage applications in business and data centers
• File servers and enterprise NAS/SAN environments
• Mixed media content repositories
• Cloud-based computing and storage systems
• Virtualization platforms and backup infrastructures

Enterprise-Class Versatility with Seagate Innovation

Seagate's ongoing innovation in storage technologies is evident in this model’s balance of power, endurance, and space optimization. Whether deployed in data-rich cloud ecosystems or high-performance computing environments, the Exos 7E2000 1TB SATA HDD is a future-ready investment.

Understanding the Exos 7E2000 Enterprise HDD Series

Seagate’s Exos 7E2000 family is built for high-density storage applications. With its compact form factor and enterprise-class reliability, the Exos 7E2000 series provides a low-power, low-footprint storage solution that fits easily into rackmount enclosures, networked storage arrays, and mobile systems. The series offers capacities ranging from 1TB to 2TB, with robust support for continuous 24x7 workloads.

Optimized for Enterprise Environments

Designed to withstand the demands of enterprise applications, the ST1000NX0423 is rated for up to 550TB/year workload and includes advanced vibration tolerance to maintain consistent performance in multi-drive systems. It supports enhanced error correction, RAID configurations, and advanced command queuing, making it suitable for mission-critical data storage infrastructures.

Use Cases in Data-Intensive Environments

The Exos 7E2000 1TB drive is suitable for applications including:

• Cloud storage infrastructure
• Entry-level enterprise servers
• Archival systems and backup solutions
• High-density RAID storage
• Edge computing and remote offices

Advanced SATA-6Gbps Interface

The ST1000NX0423 features the SATA III (6Gbps) interface, ensuring compatibility with a wide range of existing systems while delivering high-speed throughput. With SATA, enterprises benefit from:

• Scalable bandwidth with backward compatibility (SATA 3Gbps and 1.5Gbps)
• Hot-plug capability for efficient drive management
• Lower power consumption than SAS interfaces

7200RPM Spindle Speed with 128MB Cache

A rotation speed of 7200 revolutions per minute ensures rapid read/write performance, minimizing latency and enhancing real-time data access. The 128MB cache buffer accelerates data handling during peak I/O operations by storing frequently accessed data temporarily to reduce disk seek times.

Benefits of a Larger Cache

The larger buffer size provides a significant edge in environments with bursty workloads or streaming data access, allowing the system to handle larger queue depths and reduced wait times during sequential and random access.

512n Native Sector Format and Compatibility

Utilizing the 512n sector format, the ST1000NX0423 delivers maximum compatibility with legacy systems and software stacks that depend on 512-byte native sectors. This format avoids the compatibility challenges associated with 4Kn or 512e drives, ensuring seamless integration into older and modern enterprise storage systems alike.

Advantages of Native 512-Byte Sector Drives

• Optimal compatibility with legacy applications
• No need for emulation or translation layers
• Reduced risk of firmware mismatches in older infrastructures

Durability and Reliability in Enterprise Workloads

Built for long-term deployment in always-on environments, the Exos ST1000NX0423 is rated for 24x7 usage, with a Mean Time Between Failures (MTBF) of up to 2 million hours. This ensures maximum uptime for mission-critical systems. The drive is engineered with enterprise-grade components that withstand power-on hours and workload intensity far beyond standard desktop-class HDDs.

Seagate Secure and PowerChoice Features

Though this specific model doesn’t include encryption, the Exos series includes support for Seagate Secure features in other variants, and this model benefits from PowerChoice technology:

• PowerChoice™: Enables customized power-saving modes to reduce power usage during idle periods
• Ramp Load Technology: Protects the disk platter during power-down or shock events
• Advanced Vibration Tolerance: Allows sustained performance in systems with high drive count

Space Efficiency with 2.5-Inch Form Factor

The 2.5-inch drive form factor makes the ST1000NX0423 perfect for dense storage environments. Unlike traditional 3.5-inch drives, the compact form allows more drives to be installed per server chassis or storage enclosure, improving capacity per rack unit (U) and reducing cooling and energy overheads.

Ideal for Blade Servers and Mobile Storage Arrays

With low weight and reduced physical footprint, this 2.5-inch drive is a reliable choice for blade server configurations, mobile data centers, and compact SAN/NAS environments where efficiency and performance are crucial.

Performance Benchmarks and Throughput

Typical performance metrics of the Exos 7E2000 1TB SATA drive include:

• Sustained Data Transfer Rate: Up to 135 MB/s
• Average Latency: 4.16 ms
• MTBF: Up to 2 million hours
• Annualized Failure Rate (AFR): < 0.44%

These characteristics ensure the drive handles frequent reads and writes under high IOPS conditions, which are common in enterprise workloads like transaction processing and virtualization.

Power Consumption and Thermal Characteristics

• Idle Power: ~1.2W
• Operating Power (typical): 5.1W
• Operating Temperature: 5°C – 55°C
• Non-operating Shock Resistance: Up to 1000Gs

Deployment Scenarios and Ecosystem Integration

The ST1000NX0423 excels in environments where enterprise reliability and compact density meet budget-conscious performance. Common deployment scenarios include:

• Virtual desktop infrastructure (VDI)
• Hybrid cloud platforms
• Cold data storage
• Security systems and surveillance storage
• Distributed content delivery platforms

Compatibility with RAID and Storage Controllers

This SATA 2.5-inch HDD integrates seamlessly with popular RAID controllers and enterprise storage appliances, including configurations like RAID 5, 6, and 10. Whether deployed in a standalone server or in a multi-drive storage chassis, the ST1000NX0423 delivers balanced performance and protection against data loss.

Ideal Pairing with SSD Cache Tiering

In hybrid arrays, where solid-state drives serve as a cache tier, the Exos 1TB drive provides reliable backend storage with fast sequential throughput. This allows enterprises to optimize storage cost while retaining responsiveness and access speed for frequently used data.

Seagate Reliability and Industry Leadership

Backed by Seagate’s decades of innovation in mass-capacity enterprise drives, the ST1000NX0423 is manufactured using rigorously tested components and firmware. With global support and compatibility validation across major OEM platforms, Seagate ensures that Exos drives provide peace of mind and sustained value in enterprise infrastructure.