ST12000NM004G Seagate Exos X16 12TB 7.2K RPM SAS-12Gbps HDD

Overview of Seagate ST12000NM004G Exos X16 12TB SAS HDD

The Seagate Exos X16 12TB internal hard drive is engineered for high-capacity, mission-critical enterprise storage environments. Built to support modern data-intensive workloads, this 3.5-inch SAS hard disk delivers exceptional performance, reliability, and scalability for large data centers, cloud infrastructures, and enterprise storage arrays. With helium-sealed technology and advanced power management, it ensures consistent throughput while optimizing operational efficiency.

General Information

• Manufacturer: Seagate
• Part Number: ST12000NM004G
• Product Line: Exos X16 Series
• Drive Type: Internal Enterprise HDD

Technical Specifications

• Storage Capacity: 12TB
• Interface : SAS-12Gbps
• Drive Size: 3.5-inch form factor
• Enclosure Type: Internal hard disk drive
• Interface: Serial Attached SCSI (SAS)
• Interface Speed: 12.0 Gb/s
• Interface Ports: Dual-port

The Seagate ST12000NM004G Exos X16 12TB 7.2K RPM HDD

Enterprise-grade 12TB SAS hard disk drives represent a critical storage category designed for data centers, hyperscale environments, private clouds, and mission-critical enterprise infrastructures. The Seagate ST12000NM004G Exos X16 12TB 7.2K RPM SAS-12Gbps 256MB Buffer 512e 3.5inch Dual Ports Interface Enterprise Hard Disk Drive belongs to a performance-optimized, high-capacity HDD segment engineered for nonstop operation, predictable latency, and sustained throughput under demanding workloads. This category focuses on reliability, scalability, and compatibility with modern server and storage architectures where data integrity and availability are non-negotiable.

12TB High-Capacity Storage

The 12TB enterprise SAS hard drive category is built to address the exponential growth of structured and unstructured data. These drives are commonly deployed in rack servers, blade enclosures, JBOD arrays, and SAN storage systems where capacity density and operational efficiency are paramount. The 3.5-inch form factor allows organizations to maximize raw storage per rack unit, reducing data center footprint while supporting massive data repositories, archival workloads, and nearline storage tiers.

SAS Interface Advantages

The SAS-12Gbps interface provides full-duplex communication, superior command queuing, and enhanced error detection compared to SATA alternatives. Enterprise SAS drives support advanced protocols that enable better performance consistency in multi-drive environments, making them suitable for RAID configurations and high-availability storage arrays.

7200 RPM Performance

A spindle speed of 7,200 RPM positions this category of enterprise hard disk drives in the nearline performance tier. These drives balance throughput and capacity, offering sustained data transfer rates that are ideal for mixed workloads such as data analytics, backup operations, content repositories, and virtualization storage pools.

256MB Cache Buffer Technology

Enterprise hard drives in this category are equipped with a large 256MB buffer that plays a crucial role in enhancing performance and reliability. The cache acts as an intermediary between the spinning media and the host system, improving command execution efficiency and smoothing burst workloads.

Hot-Plug Support

Hot-plug support enables easy installation and replacement without system downtime, making this hard drive suitable for enterprise servers, storage enclosures, and mission-critical systems that demand high uptime.

512e Advanced Format

The 512e (512-byte emulation) format bridges legacy system compatibility with modern high-capacity drive technology. Enterprise SAS hard drives using 512e formatting maintain compatibility with existing operating systems, applications, and RAID controllers while leveraging larger internal sector sizes for improved efficiency.

Improved Data Integrity

Larger internal sectors reduce the overhead associated with error correction and metadata management. This enhances data integrity and supports higher storage densities without compromising reliability.

Dual-Port SAS Interface

One of the defining features of enterprise SAS hard disk drives is the dual-port interface. This capability allows the drive to connect to two independent SAS paths simultaneously, providing redundancy and failover support in mission-critical environments.

3.5-Inch Form Factor

The 3.5-inch form factor remains the standard for high-capacity enterprise HDDs due to its ability to house multiple platters and deliver superior capacity per drive. This category is optimized for storage density, thermal stability, and mechanical durability.