SDFHS85GEB91T Kioxia CM6-R 1.92TB Read Intensive 2.5inch PCI Express Nvme BICS Flash TLC Internal SSD

Kioxia CM6-R 1.92TB Read Intensive NVMe SSD Overview

The SDFHS85GEB91T Kioxia CM6-R 1.92TB Read Intensive 2.5-inch PCI Express NVMe BICS Flash TLC Internal Solid State Drive is a high-performance enterprise-grade storage solution engineered to deliver outstanding speed, endurance, and reliability for read-intensive workloads. Designed with cutting-edge NVMe interface and Toshiba's advanced BiCS FLASH technology, the CM6-R series drives offer enterprises the speed, scalability, and efficiency required for data-heavy applications and infrastructure.

Enterprise-Grade Read-Intensive Performance

The Kioxia CM6-R SSD is tailored for read-intensive tasks such as data warehousing, boot, media streaming, and online transaction processing (OLTP). With a PCIe 4.0 interface, it offers twice the bandwidth of PCIe 3.0, ensuring faster access to data, lower latency, and significantly higher throughput.

Speed and Efficiency with PCI Express 4.0

Equipped with PCIe Gen4 x4, the CM6-R can reach sequential read speeds up to 6,900 MB/s, allowing it to handle large-scale workloads more efficiently. This is particularly beneficial for data centers and virtualized environments where rapid data access is critical.

Real-World Use Case for PCIe 4.0 in Read-Intensive Drives

Applications such as virtual desktop infrastructure (VDI), business intelligence tools, and streaming media servers gain a considerable performance edge with PCIe 4.0 NVMe SSDs. The CM6-R’s throughput enables smoother performance, quicker boot times, and more responsive computing environments.

BiCS Flash TLC Technology

The SDFHS85GEB91T leverages Toshiba’s BiCS FLASH 3D TLC NAND, known for its superior endurance and data retention capabilities. BiCS FLASH enhances the longevity and read efficiency of the drive, making it ideal for enterprise usage scenarios where data integrity and reliability are paramount.

Advantages of Triple-Level Cell (TLC) NAND

TLC NAND stores 3 bits per cell, striking a balance between performance, capacity, and cost. This makes the CM6-R series particularly suitable for read-centric operations where write endurance is less of a concern but speed and reliability remain essential.

Form Factor and Interface

Featuring a 2.5-inch U.3 form factor and supporting the PCIe 4.0 NVMe interface, the CM6-R 1.92TB SSD is designed to integrate seamlessly into modern servers and enterprise storage arrays. The U.3 design ensures backward compatibility with U.2 bays, offering flexibility in existing infrastructure upgrades.

Benefits of U.3 Form Factor

U.3 is a unified interface specification that supports SATA, SAS, and NVMe drives within a single backplane, reducing complexity and offering future-ready compatibility. The Kioxia CM6-R fits perfectly into this evolving standard, making it an ideal choice for enterprises seeking scalable storage solutions.

Capacity for Modern Workloads

With a storage capacity of 1.92TB, the SDFHS85GEB91T model offers ample space for read-heavy data storage. From large databases to media repositories and log files, the drive delivers consistent read speeds while ensuring data integrity and low power consumption.

Scalable Deployment for Diverse Applications

Data centers and enterprise IT departments can deploy the CM6-R SSDs in both large-scale and small-scale environments. Its capacity and performance characteristics make it versatile across numerous verticals, including healthcare, finance, telecommunications, and cloud services.

Reliability and Endurance Metrics

Engineered for read-intensive use cases, the Kioxia CM6-R 1.92TB SSD offers excellent endurance ratings, supporting up to 1 DWPD (Drive Writes Per Day). This means it can be written to and erased once every day for five years without failure, exceeding typical enterprise workload requirements.

MTBF and Data Protection Features

The drive is rated for a Mean Time Between Failures (MTBF) of 2.5 million hours, underscoring its dependability in mission-critical environments. Additionally, advanced data protection features such as end-to-end data path protection and power-loss protection ensure that data remains intact even during unexpected shutdowns or system crashes.

Support for S.M.A.R.T. Monitoring

The SDFHS85GEB91T supports S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology), allowing system administrators to proactively monitor drive health, anticipate failures, and ensure optimal performance over the drive’s lifespan.

Power Efficiency and Thermal Management

Power efficiency is a hallmark of the CM6-R series. The SSD is optimized to reduce total energy consumption, helping enterprises meet green computing initiatives and lower operating costs.

Low Active and Idle Power Ratings

With an active power consumption of approximately 13W and idle consumption of around 4.5W, the drive ensures optimal power use across all workloads. Its efficient energy profile makes it ideal for dense server environments where power savings accumulate significantly at scale.

Integrated Thermal Sensors and Management

Thermal management is handled through onboard sensors that monitor temperature thresholds in real time. If temperatures exceed safe operating limits, the SSD can throttle performance to preserve hardware longevity, maintaining system stability without data loss.

Compatibility and System Integration

The Kioxia CM6-R SSD supports multiple operating systems including Windows Server, Linux, and various UNIX-based systems, making it a universally compatible storage solution across enterprise IT infrastructures.

Plug-and-Play Compatibility with U.3 and NVMe Systems

Its 2.5-inch U.3 interface ensures seamless integration into systems designed for NVMe or backward-compatible U.2 drive bays, facilitating rapid upgrades and system scaling without the need for hardware redesign.

Firmware Flexibility and Configuration

Kioxia provides customizable firmware options to fine-tune the SSD for specific use cases or regulatory compliance needs. This includes support for TCG Opal security, custom over-provisioning settings, and host-controlled thermal throttling profiles.

Security and Data Integrity

To protect sensitive enterprise data, the SDFHS85GEB91T comes equipped with robust security features. These include end-to-end data protection, secure firmware update protocols, and optional encryption models that meet regulatory standards for data security.

Support for TCG Enterprise Security

TCG (Trusted Computing Group) enterprise security features help safeguard against unauthorized access and data breaches. This is crucial in sectors like healthcare, finance, and government where compliance and confidentiality are non-negotiable.

Optional SED (Self-Encrypting Drive) Variants

Some variants of the CM6-R series include SED functionality, which encrypts data on-the-fly without compromising speed. This hardware-based encryption ensures that even if the drive is removed from its host system, the data remains inaccessible without the appropriate keys.

Use Cases for the Kioxia CM6-R 1.92TB SSD

This SSD is ideally suited for scenarios that require rapid data reads and dependability under continuous workloads. It excels in environments with high input/output operations per second (IOPS) requirements and minimal downtime tolerance.

Ideal for Virtualization and Hyper-Converged Infrastructure

The CM6-R's low latency and high throughput are excellent for VMs and hyper-converged systems, where multiple virtual instances demand swift and simultaneous access to storage without bottlenecks.

Performance in AI and Machine Learning Workloads

Though optimized for read-intensive environments, the CM6-R still provides substantial performance for AI/ML inference operations that involve large datasets. The high sequential read speeds accelerate model training and evaluation processes.

Advantages Over Competing Products

Compared to SATA or SAS-based SSDs, the Kioxia CM6-R provides significantly faster data access, improved latency, and better scalability. Its use of BiCS FLASH TLC and PCIe Gen4 makes it a future-ready investment for enterprises seeking high-speed infrastructure with long-term viability.

Comparison with SAS SSDs

Traditional SAS SSDs top out at 12Gb/s, whereas the PCIe 4.0 interface in the CM6-R can deliver up to 64Gb/s, translating to much higher IOPS and throughput. This makes NVMe a superior choice in applications where data responsiveness is a competitive advantage.

Scalability and Total Cost of Ownership (TCO)

By consolidating workloads on fewer, more powerful drives, organizations can reduce hardware footprint, cooling needs, and energy bills. Over time, the lower TCO and higher performance-to-dollar ratio of the CM6-R make it a compelling solution for high-demand enterprise environments.

Certifications and Compliance

The SDFHS85GEB91T complies with industry certifications and standards, including RoHS, CE, FCC, and UL. This ensures compatibility with global markets and adherence to environmentally sustainable manufacturing practices.

RoHS and Environmental Standards

Restriction of Hazardous Substances (RoHS) compliance means that the CM6-R is free from materials that are harmful to the environment or human health, supporting eco-friendly procurement policies.

ISO Certifications and Quality Assurance

Kioxia manufacturing facilities are ISO 9001 and ISO 14001 certified, ensuring high quality and consistent product performance. These certifications reinforce the reliability and dependability of the CM6-R series in critical use environments.

Deployment Scenarios and Integration Tips

Whether deployed in a high-density storage array, a mission-critical application server, or a hybrid cloud platform, the CM6-R is engineered for easy deployment and seamless integration with existing infrastructure components.

Tips for Maximizing NVMe SSD Lifespan

• Implement over-provisioning to improve endurance.
• Use monitoring tools to track health and wear levels.
• Ensure adequate airflow and cooling to manage thermal output.
• Schedule firmware updates to access performance improvements and bug fixes.

Integration with RAID and Storage Virtualization

The CM6-R performs exceptionally in software-defined storage (SDS) setups and supports RAID configurations for improved redundancy. Its low latency characteristics complement modern virtualization platforms that rely on fast and predictable data access.