SDFU004HCA02T Kioxia 3.84TB SAS 24GBPS 2.5inch 15mm Solid State Drive.

Enterprise-Grade SAS SSD for Mission-Critical Workloads

The Kioxia SDFU004HCA02T from the Pm7-r Series is engineered to meet the demanding requirements of modern data centers. With high-capacity flash storage and next-generation SAS connectivity, this solid state drive is designed for consistent throughput, reliability, and low latency across enterprise applications.

Core Product Specifications

• Brand: Kioxia
• Model Number: SDFU004HCA02T
• Drive Category: Enterprise Solid State Drive
• Storage Capacity: 3.84TB
• Protocol Support: SAS-4
• Maximum Link Speed: Up to 24Gb/s

Advanced Form Factor and Interface Design

This SSD adopts a compact yet robust 2.5-inch enclosure with optimized thickness, allowing seamless integration into high-density server and storage platforms while maintaining efficient airflow and thermal balance.

Physical Characteristics

• Form Factor: 2.5-inch enterprise drive
• Drive Height: 15mm profile
• Width: 69.85mm ± 0.25mm
• Length: Up to 100.45mm
• Maximum Weight: 130g

SAS-4 Connectivity and Backward Compatibility

Equipped with a SAS-4 interface, the drive ensures broad compatibility with existing infrastructures while delivering enhanced bandwidth for future-ready deployments.

Supported Interface Speeds

• 22.5 Gbit/s
• 12.0 Gbit/s
• 6.0 Gbit/s
• 3.0 Gbit/s
• 1.5 Gbit/s

High-Endurance Flash Technology

The drive utilizes Kioxia BiCS Flash™ TLC NAND, balancing storage density with endurance. This architecture supports sustained workloads commonly found in enterprise servers, virtualization platforms, and database environments.

Flash Memory Attributes

• NAND Type: BiCS Flash™ TLC
• Optimized for read-intensive and mixed-use scenarios
• Designed for long operational lifespan

Enterprise Performance Metrics

In dual-port mode, the Pm7-r Series SSD delivers predictable and stable performance, ensuring fast data access even under heavy concurrency.

Sequential Throughput

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

Random I/O Performance

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

Power Efficiency and Electrical Requirements

Engineered for balanced power usage, this SSD maintains efficient consumption while delivering enterprise-class throughput.

Power Specifications

• Operating Voltage: 12V ±10%, 5V +10% / −7%
• Idle Power Consumption: 5W (typical)

Reliability and Endurance Ratings

Built for continuous operation, the Kioxia SDFU004HCA02T meets stringent reliability benchmarks required in always-on environments.

Durability Indicators

• Mean Time To Failure (MTTF): 2,500,000 hours
• Drive Writes Per Day (DWPD): 1

Environmental Operating Conditions

This enterprise SSD is validated to perform consistently across a wide range of environmental conditions, making it suitable for diverse data center installations.

Temperature and Humidity Tolerance

• Operating Temperature: 0°C to 70°C
• Non-Operating Temperature: −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), 0.5 ms

Enterprise SAS Solid State Drive Architecture and Category Overview

The enterprise SAS solid state drive category represented by the Kioxia SDFU004HCA02T 3.84TB PM7-R Series model defines a class of high-reliability, high-throughput storage devices engineered specifically for mission-critical data center workloads. These drives are designed to operate continuously under demanding conditions where predictable latency, sustained performance, and uncompromising data integrity are essential. Within modern enterprise storage infrastructures, SAS SSDs occupy a vital position between high-capacity HDD arrays and ultra-low-latency NVMe tiers, delivering a balanced combination of performance consistency, scalability, and enterprise-grade resiliency.

The PM7-R Series SAS 24Gbps SSDs are purpose-built for read-intensive and mixed-use enterprise applications that require dependable throughput across shared storage fabrics. This category encompasses drives optimized for use in storage arrays, server backplanes, and mission-critical enterprise platforms where dual-port connectivity, advanced error correction, and predictable quality of service are mandatory. The Kioxia SDFU004HCA02T model exemplifies this segment through its robust firmware, enterprise-validated NAND technology, and compliance with stringent industry standards.

Role of SAS 24Gbps Interfaces in Enterprise Storage Environments

The Serial Attached SCSI 24Gbps interface represents the latest evolution of SAS technology, offering significantly higher bandwidth compared to previous 12Gbps generations. In enterprise storage environments, this interface is fundamental for scaling performance across dense storage enclosures and multi-controller architectures. The Kioxia PM7-R Series leverages SAS 24Gbps to enable faster data transfers, reduced latency under load, and improved overall system responsiveness when deployed in modern enterprise servers and storage arrays.

SAS 24Gbps SSDs are engineered for environments where multiple drives operate concurrently within shared backplanes. The dual-port SAS architecture allows redundant data paths, ensuring continuous access even during path failures or controller maintenance. This capability is critical in enterprise systems that demand high availability and zero downtime. The Kioxia SDFU004HCA02T is designed to integrate seamlessly into such environments, supporting advanced multipath configurations and enterprise storage protocols without performance degradation.

Dual-Port Connectivity and High Availability Benefits

Dual-port SAS connectivity enables each SSD to maintain two independent communication paths to the host system or storage controller. This design enhances fault tolerance and ensures uninterrupted data access during hardware failures or maintenance events. In enterprise deployments, this capability directly contributes to higher system uptime and improved service level agreements. The PM7-R Series SSDs are validated for these high-availability scenarios, making them suitable for mission-critical databases, virtualization platforms, and enterprise resource planning systems.

Backward Compatibility and Infrastructure Integration

While optimized for 24Gbps environments, enterprise SAS SSDs such as the Kioxia PM7-R Series maintain backward compatibility with existing SAS infrastructures. This allows organizations to adopt newer storage technologies without requiring a complete overhaul of their data center architecture. The drive’s compatibility with established SAS controllers and enclosures ensures a smooth transition path for enterprises modernizing their storage layers while preserving existing investments.

Enterprise-Grade NAND Technology and Controller Design

The foundation of any enterprise SSD lies in its NAND flash technology and controller architecture. The Kioxia SDFU004HCA02T utilizes advanced enterprise-grade NAND designed for endurance, data retention, and consistent performance over extended operational lifecycles. This category of drives is engineered to withstand continuous read-intensive workloads while maintaining predictable latency characteristics essential for enterprise applications.

The controller architecture employed in the PM7-R Series is optimized for SAS protocols, supporting advanced command queuing, intelligent wear management, and robust error correction mechanisms. These features collectively ensure that the drive delivers stable performance under sustained workloads while minimizing performance variability that can negatively impact enterprise applications.

Wear Management and Endurance Optimization

Enterprise SAS SSDs are expected to operate reliably for years under constant load. The PM7-R Series incorporates sophisticated wear-leveling algorithms that evenly distribute write operations across the NAND media. This approach maximizes usable lifespan and ensures consistent performance throughout the drive’s service life. With an endurance rating of 1 DWPD, the Kioxia SDFU004HCA02T is well-suited for read-intensive workloads that still require occasional write activity without compromising longevity.

Error Correction and Data Integrity Technologies

Data integrity is a defining requirement for enterprise storage. The PM7-R Series integrates advanced error correction code technologies capable of detecting and correcting errors in real time. These mechanisms protect data against corruption caused by electrical interference, wear-related degradation, or unexpected power events. In enterprise environments where data accuracy is paramount, such features ensure reliable operation and long-term data preservation.

Form Factor and Physical Design Considerations

The 2.5-inch form factor with a 15mm thickness is a standard specification within enterprise storage systems, enabling high-density deployments while maintaining adequate thermal dissipation. The Kioxia SDFU004HCA02T is engineered to fit seamlessly into enterprise server bays and storage enclosures designed for SAS SSDs, ensuring broad compatibility across industry-standard platforms.

This physical design allows data centers to maximize storage capacity per rack unit while maintaining proper airflow and cooling efficiency. The robust construction of enterprise SAS SSDs ensures durability during installation, maintenance, and continuous operation in demanding environments.

Thermal Management and Power Efficiency

Effective thermal management is essential for sustaining performance and reliability in dense storage configurations. The PM7-R Series is designed to operate within defined thermal envelopes, utilizing optimized power consumption profiles to minimize heat generation. This contributes to lower cooling requirements at the system level and supports energy-efficient data center operations without sacrificing performance.

Hot-Swap Compatibility in Enterprise Systems

Enterprise SAS SSDs are designed for hot-swap capability, allowing drives to be installed or replaced without powering down the system. The Kioxia SDFU004HCA02T supports this functionality, enabling seamless maintenance and minimizing service disruption. This feature is particularly valuable in environments that require continuous uptime and rapid hardware servicing.

Capacity Tier and Data Center Storage Strategy

The 3.84TB capacity tier occupies a strategic position within enterprise storage hierarchies. It offers a balance between high storage density and manageable drive counts, enabling organizations to design scalable storage architectures that optimize both performance and cost efficiency. Within this category, the PM7-R Series is well-suited for large datasets, virtualized workloads, and enterprise applications that demand consistent read performance across substantial data volumes.

Enterprise storage strategies often involve tiered architectures where SAS SSDs serve as performance-optimized layers for frequently accessed data. The Kioxia SDFU004HCA02T integrates effectively into such architectures, providing reliable throughput and predictable latency that enhance overall system efficiency.

Use in Shared Storage Arrays

In shared storage arrays, SAS SSDs play a critical role in delivering consistent performance to multiple hosts simultaneously. The dual-port design and high bandwidth of the PM7-R Series ensure efficient data access across clustered environments, supporting enterprise workloads that require simultaneous read access from multiple systems.

Support for Virtualization and Cloud Platforms

Virtualized and private cloud environments benefit significantly from enterprise SAS SSDs due to their predictable performance and high availability features. The Kioxia PM7-R Series is optimized for such deployments, ensuring stable I/O performance for virtual machines, containers, and cloud-based services operating within enterprise data centers.

Reliability Standards and Enterprise Validation

Enterprise SSD categories are defined not only by performance but also by rigorous reliability standards and extensive validation processes. The Kioxia SDFU004HCA02T is subjected to comprehensive testing to ensure compliance with enterprise reliability requirements, including vibration tolerance, thermal cycling, and sustained workload endurance. These validation processes ensure that the drive performs reliably in real-world enterprise conditions.

Compliance with industry standards and certifications further reinforces the suitability of PM7-R Series SSDs for deployment in mission-critical environments. Enterprises rely on these assurances when integrating storage components into systems that support essential business operations.

Firmware Stability and Lifecycle Management

Stable firmware is essential for enterprise storage reliability. The PM7-R Series firmware is designed to deliver consistent performance, robust error handling, and predictable behavior across firmware updates. Lifecycle management features support long-term deployment, allowing enterprises to standardize on a reliable storage platform over extended periods.

Data Protection Features and Power Loss Safeguards

Enterprise SAS SSDs incorporate data protection mechanisms that safeguard in-flight data during unexpected power interruptions. The Kioxia SDFU004HCA02T includes integrated power loss protection features that preserve data integrity by ensuring that cached data is safely committed to non-volatile storage. This capability is essential for maintaining data consistency in enterprise environments where power stability cannot always be guaranteed.

Application Scenarios for PM7-R Series SAS SSDs

The PM7-R Series category is ideally suited for a wide range of enterprise applications that prioritize read performance, reliability, and scalability. These drives are commonly deployed in database environments, analytics platforms, and content delivery systems where consistent read access to large datasets is critical. The combination of SAS 24Gbps connectivity and enterprise-grade endurance makes the Kioxia SDFU004HCA02T a dependable choice for such workloads.

In addition to traditional enterprise applications, these SSDs support modern workloads such as software-defined storage, hyper-converged infrastructure, and enterprise virtualization platforms. Their predictable performance characteristics enable system architects to design storage solutions that meet strict performance and availability requirements.

Database and Transactional Workloads

Enterprise databases rely heavily on fast, consistent read access to maintain query performance and transactional efficiency. The PM7-R Series supports these requirements by delivering stable throughput and low latency across sustained workloads. Its reliability features ensure data integrity, making it suitable for critical business databases and enterprise analytics platforms.

Enterprise Backup and Recovery Systems

Backup and recovery systems benefit from the high read performance and reliability of SAS SSDs during data verification and restore operations. The Kioxia SDFU004HCA02T enables faster recovery times and improved system responsiveness during critical restore scenarios, supporting business continuity objectives.

Content Delivery and Media Processing Platforms

Content delivery networks and media processing platforms require consistent access to large volumes of data. The PM7-R Series category provides the necessary performance and reliability to support streaming, media analytics, and large-scale content distribution within enterprise infrastructures.

Scalability and Future-Proofing Enterprise Storage Deployments

As enterprise data volumes continue to grow, scalability becomes a primary consideration in storage planning. The SAS 24Gbps SSD category offers a scalable solution that integrates seamlessly with existing and future storage architectures. The Kioxia PM7-R Series is designed to support evolving enterprise requirements, enabling organizations to expand capacity and performance without compromising reliability.

Future-proofing storage investments requires selecting components that align with industry roadmaps and emerging standards. The PM7-R Series reflects Kioxia’s commitment to enterprise innovation, providing a reliable foundation for long-term data center strategies and evolving workload demands.