MZILT15THALA0D4 Samsung PM1643A 15.36TB SAS 12GBPS 2.5Inch SSD

Highlights of Samsung MZILT15THALA0D4 15.36TB SAS SSD

The Samsung MZILT15THALA0D4 PM1643A 15.36TB SAS SSD is a high-capacity, enterprise-grade storage solution designed for mission-critical servers and storage arrays. Built with a reliable SAS 12Gb/s interface, this internal 2.5-inch solid state drive delivers stable performance, durability, and consistent throughput for data-intensive workloads.

General Information

• Manufacturer: Samsung
• Series: PM1643A
• Part Number: MZILT15THALA0D4
• Device Type: Internal Solid State Drive
• Sub Type: SAS 12GBPS 2.5 Inch

Technical Specifications

• Total Capacity: 15.36TB
• Optimized: SAS 12GBPS
• Form Factor: 2.5Inch
• Compatible: Hot-Swap

Performance Specifications

Sequential and Random Throughput

• Sequential Read Speed: up to 2100 MB/s
• Sequential Write Speed: up to 1800 MB/s
• Random Read Performance: up to 400K IOPS
• Random Write Performance: up to 65K IOPS

Reliability and Endurance

Enterprise-Grade Durability

• Endurance rating of 1 Drive Write Per Day (DWPD)
• Mean Time Between Failures (MTBF): 2,000,000 hours
• Uncorrectable Bit Error Rate: 1 sector per 10¹⁷ bits read

Compatibility

Supported Server and Storage Platforms

• Enterprise rack, tower, and blade servers
• Storage arrays and SAN solutions
• OEM systems from Dell, HPE, Lenovo, Supermicro, IBM, and Fujitsu
• Cloud, virtualization, and data center environments

Interface and Backplane Compatibility

• SAS 12Gb/s host bus adapters (HBAs)
• Hardware RAID controllers with SAS support
• Backward compatible with SAS 6Gb/s systems (reduced speed)
• Standard 2.5-inch SAS hot-swap bays

Overview of MZILT15THALA0D4 PM1643A SAS 12GBPS 2.5Inch

The Samsung MZILT15THALA0D4 PM1643A 15.36TB SAS 12Gbps 2.5 Inch Solid State Drive is part of the ultra-high-capacity enterprise SAS SSD category designed for mission-critical storage infrastructures that prioritize reliability, endurance, and deterministic performance. This category addresses the needs of enterprise data centers, large-scale storage arrays, and business-critical server environments where storage must operate continuously under heavy workloads while maintaining data integrity and predictable behavior. Enterprise SAS SSDs are fundamentally different from consumer and entry-level data center drives, focusing on long operational life, mature protocol stability, and compatibility with existing SAS ecosystems.

SAS 12GBPS Interface and Enterprise Connectivity Model

The Serial Attached SCSI 12Gbps interface represents a proven and widely adopted enterprise storage standard. Unlike consumer interfaces optimized primarily for peak throughput, SAS emphasizes reliability, command integrity, and dual-path access. The PM1643A leverages this mature interface to provide stable bandwidth, consistent latency, and seamless integration into enterprise storage architectures already built around SAS controllers, expanders, and backplanes.

Dual-Port SAS Design for Continuous Availability

Dual-port functionality is a defining attribute of enterprise SAS SSDs. The PM1643A provides two independent data paths, enabling redundant connections to host controllers. This architecture allows uninterrupted access during controller failures, firmware updates, or maintenance operations. In high-availability clusters and enterprise storage arrays, dual-port SAS ensures that data remains accessible even when one path becomes unavailable.

Command Reliability and Protocol Maturity

SAS protocols have evolved over many years to deliver robust error handling, deterministic command queuing, and predictable behavior under sustained workloads. The PM1643A benefits from this maturity, supporting enterprise workloads that demand consistency over time rather than transient benchmark performance. This makes the category well-suited for transactional systems, databases, and storage platforms that operate continuously.

15.36TB High-Density Enterprise Storage Class

The 15.36TB capacity of the PM1643A places it among the highest-density 2.5 inch enterprise SAS SSDs available. This capacity tier enables organizations to significantly reduce the number of physical drives required to meet storage demands, simplifying system design and reducing operational overhead. High-density drives allow storage architects to build scalable, space-efficient systems without compromising reliability.

Data Center Consolidation Benefits

By consolidating large volumes of data onto fewer physical devices, enterprises can reduce rack space usage, power consumption, and cooling requirements. The PM1643A supports dense storage configurations that improve overall infrastructure efficiency while maintaining enterprise-grade performance and endurance characteristics.

Large-Scale Data Sets

High-capacity SAS SSDs are ideal for managing extensive datasets common in enterprise databases, analytics platforms, backup repositories, and virtualization environments. The PM1643A allows large datasets to reside on fewer drives, reducing complexity and improving data locality, which can enhance access efficiency and simplify storage management.

2.5 Inch Form Factor and Platform

The standardized 2.5 inch form factor ensures broad compatibility with enterprise servers, storage arrays, and JBOD enclosures. The PM1643A is designed to fit seamlessly into existing SAS infrastructures, allowing organizations to upgrade storage capacity and performance without redesigning hardware platforms.

Service Continuity

Hot-swap support is essential in enterprise environments where uptime is critical. The PM1643A supports live replacement and expansion, enabling administrators to service storage systems without powering down servers. This capability minimizes downtime and supports continuous business operations.

Mechanical and Environmental Durability

Enterprise SSDs are engineered to withstand constant operation, vibration, and temperature variation. The PM1643A incorporates enterprise-grade mechanical construction and thermal tolerance, making it suitable for dense server racks and high-availability storage arrays operating around the clock.

Performance Characteristics for Enterprise Workloads

Rather than focusing solely on peak throughput, the PM1643A category emphasizes sustained performance and predictable latency. Enterprise SAS SSDs are designed to deliver consistent results under mixed workloads, ensuring that applications behave reliably even during periods of heavy utilization.

Sequential Throughput for Data Movement

Sequential read and write performance supports use cases such as data replication, backup operations, and large-scale file transfers. The PM1643A delivers stable sequential throughput within the SAS 12Gbps interface limits, ensuring dependable performance for continuous data movement tasks.

Random I/O Stability for Transactional Systems

Random I/O performance is critical for databases, virtualization platforms, and enterprise applications with high transaction rates. The PM1643A provides consistent random access performance with low latency variance, supporting predictable response times and reliable application behavior.

Endurance Profile

Enterprise workloads often involve sustained write activity over long periods. The PM1643A is engineered with high endurance characteristics, enabling it to support demanding write-intensive applications without premature wear or performance degradation.

Advanced Wear-Leveling Algorithms

Intelligent wear-leveling distributes write cycles evenly across NAND flash cells, preventing localized wear and extending overall drive lifespan. These algorithms operate transparently, maintaining performance consistency as the drive ages.

Overprovisioning for Longevity and Stability

Enterprise SSDs reserve a portion of flash memory as overprovisioning to enhance endurance and maintain performance under sustained workloads. The PM1643A leverages this strategy to support reliable long-term operation in demanding environments.

Data Integrity Framework

Data accuracy is non-negotiable in enterprise storage. The PM1643A incorporates multiple layers of error detection and correction to ensure that data remains intact throughout its lifecycle.

Enterprise-Grade

Advanced error correction technologies detect and correct multi-bit errors, preserving data integrity even as NAND flash cells experience wear. This capability is essential for maintaining trust in stored data across years of operation.

End-to-End Data Path Protection

End-to-end data protection mechanisms verify data integrity from the host interface through the controller and into the NAND memory. This comprehensive approach minimizes the risk of silent data corruption and supports enterprise reliability standards.

Operational Resilience

Unexpected power interruptions can compromise data integrity if write operations are interrupted. Enterprise SAS SSDs address this risk through integrated power loss protection mechanisms.

Capacitor-Assisted Write Completion

The PM1643A includes capacitor-based power loss protection that provides temporary power to complete in-flight write operations during power failure. This ensures that critical data is safely committed to non-volatile storage.

Transactional Consistency During Outages

By preserving write consistency during sudden shutdowns, the PM1643A supports enterprise workloads that rely on transactional integrity, such as financial systems, healthcare platforms, and industrial applications.

Dynamic Power Management

Advanced firmware and controller design allow the PM1643A to adjust power usage based on workload demand. This dynamic management reduces energy consumption during idle periods without compromising responsiveness.

Thermal Stability in High-Density Racks

The 2.5 inch form factor supports standardized airflow patterns, helping maintain stable operating temperatures in densely populated server racks and storage enclosures.

Data Protection Controls

Enterprise storage environments require robust security measures to protect sensitive information. The PM1643A incorporates hardware-based security features that safeguard data at rest.

Hardware Engine

Integrated encryption provides transparent data protection without impacting performance. Hardware-based encryption ensures that data remains secure even if the drive is physically removed.

Secure Key Generation and Storage

Encryption keys are generated and stored securely within the drive, preventing unauthorized access and supporting compliance with enterprise security standards.

Secure Erase and Decommissioning

Secure erase functionality enables complete data sanitization when drives are retired or repurposed, supporting regulatory compliance and internal security policies.

Enterprise Integration

The PM1643A is designed for seamless integration with enterprise management frameworks and storage controllers, enabling proactive monitoring and efficient lifecycle management.

Health Predictive

Enterprise firmware provides detailed telemetry, including endurance metrics and error reporting. Administrators can monitor drive health proactively, reducing the risk of unexpected failures.

RAID and Storage Array

The PM1643A is optimized for use in hardware and software RAID configurations, supporting redundancy, performance scaling, and fault tolerance in enterprise storage arrays.

Enterprise and Industry Deployment Scenarios

The Samsung PM1643A 15.36TB SAS SSD category is suitable for a wide range of enterprise and industry applications, including financial services, government infrastructure, telecommunications, healthcare, and large-scale virtualization platforms.

Database and Analytics Platforms

Enterprise databases benefit from the predictable latency and high reliability provided by SAS SSDs. The PM1643A supports transactional integrity and sustained performance for critical data processing systems.

Private Cloud Storage

Virtualized environments require storage that can support multiple workloads concurrently. The PM1643A enables dense virtual machine deployments while maintaining consistent performance and data integrity.

Enterprise Storage Strategy and Value

The Samsung MZILT15THALA0D4 PM1643A 15.36TB SAS 12Gbps 2.5 Inch Solid State Drive category represents a mature, reliable approach to enterprise storage. By combining ultra-high capacity, proven SAS technology, enterprise-grade endurance, and comprehensive data protection, this category supports long-term infrastructure stability, predictable performance, and operational confidence in mission-critical environments.