MZILT15THMLA-000H4 Samsung PM1643 SAS 12GBPS 15.36TB Internal SSD

Samsung PM1643 Enterprise SAS 12GBPS SSD

The Samsung MZILT15THMLA-000H4, commercially known as the PM1643 model, represents the pinnacle of enterprise-grade storage technology. This 15.36TB SAS-12Gbps 2.5-inch internal solid state drive is engineered specifically for data-intensive environments where reliability, speed, and massive capacity are non-negotiable requirements. As organizations increasingly transition from traditional hard disk drives to all-flash arrays, the PM1643 stands as a cornerstone solution for enterprise storage infrastructure.

Architectural Excellence and Form Factor

Designed with enterprise deployment in mind, the Samsung PM1643 utilizes the standardized 2.5-inch form factor with a height of 15mm, making it compatible with most enterprise servers and storage systems. This physical design allows for high-density configurations, enabling organizations to maximize storage capacity within limited rack space. The drive's construction incorporates enterprise-grade components specifically selected and tested for 24/7 operation in demanding environments.

Physical Specifications and Compatibility

The drive measures 100.2mm x 69.85mm x 15mm and weighs approximately 120g, conforming to the 2.5-inch enterprise form factor standard. It features a SAS (Serial Attached SCSI) interface with a 12Gbps data transfer rate, providing backward compatibility with 6Gbps and 3Gbps SAS infrastructures. This compatibility ensures seamless integration into existing data center environments while providing a clear upgrade path for future performance enhancements.

Unprecedented Storage Capacity

With a massive 15.36 terabytes of storage capacity, the PM1643 addresses the growing demands of data-intensive applications and workloads. This substantial capacity is achieved through Samsung's advanced V-NAND technology and sophisticated controller architecture, allowing enterprises to consolidate storage resources while maintaining exceptional performance characteristics.

Capacity Utilization Benefits

The MZILT15THMLA-000H4 15.36TB capacity provides significant advantages for enterprise storage scenarios. Organizations can reduce the number of drives required for a given storage pool, thereby simplifying management, reducing power consumption, and decreasing physical footprint. This high-capacity design is particularly beneficial for software-defined storage implementations, hyper-converged infrastructure, and large-scale virtualization environments where storage density directly impacts operational efficiency.

Effective Capacity

In RAID implementations, the MZILT15THMLA-000H4 15.36TB capacity offers flexible configuration options. When deployed in RAID 5 arrays, the drive provides excellent balance between capacity efficiency and data protection. For mission-critical applications requiring higher fault tolerance, RAID 6 configurations still yield substantial usable capacity. The drive's high individual capacity reduces the rebuild times compared to achieving equivalent storage with lower-capacity drives, significantly improving maintenance windows and reducing vulnerability during rebuild operations.

SAS-12Gbps Interface Technology

The Serial Attached SCSI interface operating at 12 gigabits per second represents the enterprise storage connectivity standard, delivering significantly higher performance compared to SATA-based alternatives. The SAS architecture provides full-duplex communication, enabling simultaneous read and write operations at maximum interface speeds, a critical capability for mixed-workload environments.

Dual-Port Capability for High Availability

One of the defining characteristics of the SAS interface is native dual-port capability, which allows the drive to be connected to two separate host controllers simultaneously. This architecture enables redundant paths to the storage device, ensuring continuous data availability even in the event of controller failure, cable issues, or other connectivity problems. The dual-port design is essential for mission-critical applications where downtime is not an option.

Multipath I/O and Failover Mechanisms

The MZILT15THMLA-000H4 PM1643 supports sophisticated multipath I/O implementations through its dual SAS ports. In active-active configurations, both ports can handle I/O operations simultaneously, optimizing performance and resource utilization. In active-passive setups, one port serves as the primary data path while the other remains in standby mode, ready to assume operations instantly if the primary path fails. This redundancy is managed transparently by enterprise storage controllers and multipath I/O software.

Performance Specifications and Capabilities

The Samsung MZILT15THMLA-000H4 PM1643 delivers exceptional performance characteristics that meet the demands of the most challenging enterprise workloads. With random read performance reaching up to 200,000 IOPS and random write performance up to 30,000 IOPS, this drive can handle intensive database operations, virtualization workloads, and high-frequency transaction processing with ease.

Sustained Throughput Performance

Sequential read operations achieve up to 1,100 MB/s, while sequential write operations reach up to 1,000 MB/s, fully saturating the 12Gbps SAS interface. This level of sustained throughput ensures that data-intensive operations such as large file transfers, video streaming, scientific computing, and backup/restore operations complete within required timeframes. The consistent performance profile, even under heavy sustained workloads, distinguishes enterprise SSDs from consumer-grade alternatives.

NAND Technology and Wear Leveling

The drive utilizes Samsung's enterprise-grade V-NAND flash memory, specifically designed for high-write environments. Advanced wear-leveling algorithms distribute write operations evenly across all available memory cells, preventing premature wear on specific regions of the NAND. This sophisticated management extends the drive's operational lifespan beyond typical consumer SSDs, ensuring consistent performance throughout its deployment lifecycle.

Error Correction and Data Integrity

Comprehensive error correction capabilities include advanced LDPC (Low-Density Parity Check) ECC technology, which detects and corrects bit errors more effectively than traditional BCH ECC implementations. The drive also incorporates end-to-end data path protection, validating data integrity from the host interface through the controller to the NAND memory and back. This multi-layered protection scheme ensures data reliability even in the presence of transient errors or component degradation.

Power Efficiency

Despite its massive capacity and performance capabilities, the PM1643 maintains excellent power efficiency characteristics. Typical active power consumption ranges between 8-10 watts during normal operation, with idle power dropping significantly during periods of inactivity. This efficiency translates to reduced operational costs in large-scale deployments where power and cooling represent substantial ongoing expenses.

Power Loss Protection

Enterprise environments require protection against unexpected power loss, which could result in data corruption or loss. The PM1643 incorporates robust power loss protection circuits, including capacitors that provide sufficient hold-up time to complete in-progress write operations and flush cached data to non-volatile memory. This capability ensures data persistence even during unplanned power interruptions, maintaining data integrity across unexpected shutdown scenarios.

Enterprise Security Features

For environments requiring data security, the PM1643 supports optional encryption capabilities, including TCG Enterprise and IEEE 1667 security standards. These features enable full-disk encryption with cryptographic erasure, allowing rapid and secure drive decommissioning without physical destruction. The security implementation includes protection against unauthorized access while maintaining performance characteristics suitable for enterprise workloads.

Use Cases and Deployment Scenarios

The Samsung MZILT15THMLA-000H4 PM1643 is ideally suited for numerous enterprise applications where high capacity, performance, and reliability are paramount. Its characteristics make it particularly valuable in specific deployment scenarios that demand the highest levels of storage performance and capacity.

Data Center Storage Arrays

In traditional storage area networks (SAN) and network-attached storage (NAS) systems, the PM1643 serves as a high-performance tier for active datasets. Its capacity and performance characteristics make it suitable for primary storage in all-flash arrays, delivering the responsiveness required for transactional databases, virtualized infrastructure, and collaborative applications. The SAS interface ensures compatibility with existing storage infrastructure while providing performance headroom for future requirements.

Big Data and Analytics Platforms

For big data applications involving Hadoop, Spark, or other analytics frameworks, the PM1643 provides the I/O performance necessary for processing large datasets efficiently. The high sequential throughput accelerates data loading and transformation operations, while the excellent random read performance benefits query processing and real-time analytics. The substantial capacity reduces the storage footprint for large datasets, simplifying management and reducing total cost of ownership.

High-Performance Computing

In scientific computing, engineering simulation, and financial modeling environments, storage performance often becomes a bottleneck in overall system performance. The PM1643 addresses this challenge by providing low-latency access to large working datasets, enabling researchers and engineers to process complex models and simulations more efficiently. The drive's consistent performance under heavy workloads ensures predictable job completion times in HPC clusters.