KPM71RUG3T84 ​Kioxia ​3.84TB PM7-R Series SAS 24GBPS 2.5 Inch 15mm Solid State Drive

Kioxia KPM71RUG3T84 3.84TB SAS Solid State Drive

The Kioxia KPM71RUG3T84 3.84TB PM7-R Series solid state drive is engineered for demanding enterprise storage infrastructures that require consistent throughput, high endurance, and proven reliability. Built on advanced BiCS FLASH™ TLC NAND technology, this SAS-based SSD is designed to support data-intensive workloads across data centers, cloud platforms, and mission-critical server environments. Its robust architecture ensures optimized performance, predictable latency, and long-term operational stability.

Product Identification

• Brand: Kioxia
• Series: PM7-R Enterprise SSD Family
• Model Number: KPM71RUG3T84
• Storage Capacity: 3.84TB
• Target Use: Enterprise and Data Center Applications

Form Factor and Mechanical Attributes

• Drive Size: 2.5-inch Enterprise SSD
• Drive Height: 15mm thickness
• Optimized for hot-swap capable server bays
• Designed for continuous 24/7 operation

Interface Standards and Data Transfer Rates

• Interface Type: SAS-4
• Maximum Interface Speed: 22.5 Gbit/s
• Backward Compatibility Speeds:
• 12.0 Gbit/s
• 6.0 Gbit/s
• 3.0 Gbit/s
• 1.5 Gbit/s

Flash Memory Characteristics

• NAND Type: BiCS FLASH™ Triple-Level Cell (TLC)
• Optimized for read-intensive and mixed workloads
• Enhanced error correction and data protection mechanisms

Sequential Throughput Performance

• Sustained 128KiB Sequential Read Speed: Up to 4,200 MB/s
• Sustained 128KiB Sequential Write Speed: Up to 3,650 MB/s

Random IOPS Performance

• Sustained 4KiB Random Read Performance: Up to 720,000 IOPS
• Sustained 4KiB Random Write Performance: Up to 155,000 IOPS

Power Supply Specifications

• Operating Voltage: 12V ±10%
• Auxiliary Voltage: 5V +10% / -7%
• Typical Power Consumption (Ready State): 5W

Endurance and Reliability Metrics

• Drive Writes Per Day (DWPD): 1
• Mean Time To Failure (MTTF): 2,500,000 hours
• Enterprise-grade firmware for workload consistency

Operating and Storage Conditions

• Operating Temperature Range: 0°C to 70°C
• Non-Operating Temperature Range: -40°C to 80°C
• Operating Humidity: 5% to 95% Relative Humidity

Shock and Vibration Resistance

• Operating Vibration: 21.27 m/s² (2.17 Grms), 5–800 Hz
• Operating Shock: 9.8 km/s² (1,000 G) for 0.5 ms

Kioxia KPM71RUG3T84 3.84TB SAS Solid State Drive

The enterprise solid state drive category represented by the Kioxia KPM71RUG3T84 3.84TB PM7-R Series SAS 24Gbps model addresses the growing demand for high-performance, highly reliable storage solutions designed for mission-critical data center workloads. This category focuses on drives engineered for sustained operation, predictable latency, and compatibility with established enterprise storage infrastructures that rely on the Serial Attached SCSI interface. Within modern data centers, SAS-based SSDs remain a vital component for organizations that prioritize stability, scalability, and advanced management features over consumer-oriented storage technologies.

Enterprise SAS SSDs are specifically designed to operate in server and storage array environments where uptime, endurance, and consistent performance are essential. The PM7-R Series exemplifies this category by combining high-capacity NAND flash with advanced controllers, firmware optimizations, and robust error correction. The category as a whole supports workloads that include transactional databases, virtualization platforms, enterprise resource planning systems, and high-availability applications that require predictable throughput and low latency under continuous load.

Position of SAS 24Gbps SSDs in Modern Storage Architectures

SAS 24Gbps SSDs represent an evolution of the traditional SAS interface, offering significantly higher bandwidth compared to earlier generations while maintaining backward compatibility with existing enterprise infrastructure. This category is especially relevant for organizations that have invested heavily in SAS-based backplanes, RAID controllers, and storage enclosures. By adopting 24Gbps SAS solid state drives, enterprises can achieve higher performance without a complete overhaul of their storage architecture.

The PM7-R Series falls squarely into this advanced SAS category, delivering improved throughput and queue depth handling that align with the needs of modern multi-core processors and high-speed network environments. The category emphasizes not only raw data transfer rates but also the ability to sustain performance during mixed read and write operations, making these drives suitable for real-world enterprise workloads rather than synthetic benchmarks alone.

Kioxia PM7-R Series Enterprise SSD Classification

The Kioxia KPM71RUG3T84 PM7-R Series is classified within the read-intensive enterprise SSD segment, targeting applications where read operations dominate while still requiring dependable write endurance. This category balances cost efficiency with enterprise-grade reliability by optimizing NAND usage, firmware algorithms, and over-provisioning strategies. The 1 drive write per day endurance rating positions these drives for workloads such as content delivery, analytics, and database indexing where reads significantly outweigh writes.

Within the broader enterprise SSD landscape, the PM7-R Series differentiates itself through a focus on consistent quality of service. This category values predictable latency and sustained throughput over peak performance spikes, ensuring that storage performance remains stable even during periods of heavy utilization. Such characteristics are critical for service-level agreements and performance guarantees in enterprise environments.

Read-Intensive Workload Optimization

Read-intensive enterprise SSDs like those in the KPM71RUG3T84 PM7-R Series category are engineered to handle large volumes of read requests with minimal latency variation. Firmware algorithms prioritize read path efficiency while maintaining adequate write handling to support metadata updates, logging, and occasional write bursts. This category is ideal for applications such as online transaction processing databases, virtual desktop infrastructure, and cloud-based services where fast access to stored data directly impacts user experience.

The optimization strategies employed in this category include advanced caching techniques, intelligent wear leveling, and sophisticated error correction mechanisms. These features ensure that read performance remains consistent over the lifespan of the drive, even as NAND cells experience natural wear from write operations.

Balancing Performance and Endurance

One of the defining characteristics of the read-intensive enterprise SSD category is the balance between performance and endurance. While not designed for heavy write workloads, these drives still incorporate sufficient endurance to support continuous enterprise operation. The 1DWPD rating associated with this category reflects a carefully engineered compromise that delivers reliable operation over several years in typical data center scenarios.

This balance allows organizations to deploy high-capacity SSDs like the 3.84TB PM7-R model without incurring the higher costs associated with mixed-use or write-intensive drives. The category therefore appeals to enterprises seeking to optimize total cost of ownership while maintaining enterprise-grade reliability.

Form Factor and Physical Design Considerations

The 2.5 inch form factor with 15mm thickness is a defining attribute of this enterprise SSD category. This standardized design ensures compatibility with a wide range of servers, storage arrays, and hot-swap drive bays commonly found in data centers. The physical dimensions allow for high storage density while maintaining adequate space for thermal management and internal components.

Drives in this category are engineered to operate reliably in dense storage configurations where airflow may be limited. The PM7-R Series incorporates design elements that support efficient heat dissipation, ensuring stable performance even when deployed in large numbers within a single enclosure. This focus on physical design contributes to the overall reliability and longevity expected from enterprise storage solutions.

Hot-Swap and Serviceability Benefits

The Kioxia KPM71RUG3T84 3.84TB 2.5 inch enterprise SSD category emphasizes ease of maintenance and serviceability. Hot-swap support allows administrators to replace or upgrade drives without shutting down systems, minimizing downtime and operational disruption. This capability is essential for mission-critical environments where continuous availability is required.

The standardized form factor also simplifies inventory management and deployment, enabling organizations to maintain spare drives and perform rapid replacements when necessary. Such operational efficiencies are a key reason why this category remains prevalent in enterprise data centers worldwide.

SAS Interface Advantages in Enterprise Environments

The Serial Attached SCSI interface remains a cornerstone of enterprise storage due to its robustness, reliability, and advanced feature set. SAS 24Gbps SSDs in this category benefit from full-duplex communication, dual-port connectivity, and support for enterprise-grade command sets. These features enable high availability configurations and seamless integration with existing storage management tools.

Dual-port SAS connectivity is particularly important in enterprise environments, allowing drives to connect to redundant controllers and ensuring continuous access even in the event of a path failure. This category prioritizes data availability and fault tolerance, making it suitable for applications where downtime is not an option.

Performance Scaling with SAS 24Gbps

The transition to 24Gbps SAS significantly enhances the performance potential of enterprise SSDs. This category supports higher bandwidth per drive, enabling storage arrays to scale performance as additional drives are added. The increased interface speed complements modern multi-core processors and high-speed networking, reducing bottlenecks and improving overall system efficiency.

For the PM7-R Series, the SAS 24Gbps interface ensures that the drive’s internal performance capabilities are not constrained by the host connection. This alignment between interface speed and internal architecture is a defining feature of high-end enterprise SSD categories.

Capacity Optimization and Data Density

The 3.84TB capacity of the KPM71RUG3T84 model highlights the emphasis on high data density within this enterprise SSD category. High-capacity drives reduce the number of physical devices required to achieve target storage volumes, simplifying management and lowering power and cooling requirements. This approach aligns with data center initiatives focused on efficiency and scalability.

Enterprise SSD categories prioritize capacity options that meet a wide range of deployment scenarios, from smaller server installations to large-scale storage arrays. The availability of multi-terabyte capacities within a compact 2.5 inch form factor enables flexible system design and efficient use of rack space.

Supporting Data Growth and Consolidation

As enterprise data volumes continue to grow, storage categories that support high-capacity SSDs play a crucial role in data consolidation strategies. By deploying fewer, larger drives, organizations can reduce complexity while maintaining high performance and reliability. This category supports such strategies by offering capacities that align with modern data growth patterns.

The PM7-R Series exemplifies this approach, providing sufficient capacity for large datasets while maintaining the endurance and performance characteristics required for enterprise workloads.

Reliability, Data Integrity, and Enterprise Features

Reliability is a defining characteristic of the enterprise SAS SSD category. Drives in this segment incorporate advanced error detection and correction technologies, power-loss protection mechanisms, and robust firmware validation processes. These features ensure data integrity and protect against unexpected events such as power interruptions or component failures.

The PM7-R Series aligns with this category by emphasizing consistent operation and long-term reliability. Enterprise SSDs are typically validated through extensive testing and qualification processes to meet stringent data center requirements.

Use Cases and Deployment Scenarios

The enterprise SAS SSD category encompassing the Kioxia KPM71RUG3T84 3.84TB PM7-R Series is suitable for a wide range of deployment scenarios. Common use cases include database storage, virtualization platforms, cloud infrastructure, and enterprise applications that require reliable, high-speed access to data. The read-intensive nature of this category makes it particularly well-suited for workloads where data is frequently accessed but infrequently modified.

In addition, these drives are commonly deployed in storage arrays that support tiered storage architectures, where SSDs provide fast access to critical data while higher-capacity HDDs handle archival or less frequently accessed information.

Integration into Existing Enterprise Systems

One of the strengths of this category is its seamless integration into existing enterprise systems. SAS-based SSDs are supported by a wide range of operating systems, hypervisors, and storage management platforms. This broad compatibility simplifies deployment and reduces the risk associated with introducing new storage technologies.

The standardized nature of this category ensures that organizations can deploy PM7-R Series drives alongside other enterprise storage components with minimal configuration changes.