Description
Product overview of the Toshiba SDFA381DAB01 Solid State Drive
Toshiba’s SDFA381DAB01 is a high-performance solid-state drive designed for server applications. With a storage capacity of 1.6 Terabytes (TB) and optimized for write-intensive tasks, it offers reliability and speed crucial for demanding server environments. In the rapidly evolving landscape of data storage solutions, Toshiba stands out with its innovative products. Operating at a speed of 12 Gigabytes Per Second (GBPS), the SAS interface provides ample bandwidth for handling large volumes of data with minimal latency. This ensures rapid access to stored information, enhancing overall system responsiveness and efficiency. One such noteworthy offering is the Toshiba SDFA381DAB01, a 1.6 Terabyte (TB) Solid State Drive (SSD) designed for write-intensive tasks. In this detailed review, we’ll explore the key features and technical specifications of the SDFA381DAB01, shedding light on its performance, design, and compatibility with servers.
Key Specifications of SAS 12GBPS SSDCapacity and Usage
The Toshiba SDFA381DAB01 boasts a substantial storage capacity of 1.6 Terabytes, making it suitable for applications demanding high performance and ample storage space. This SSD is specifically engineered for write-intensive workloads, making it an ideal choice for servers where data writing is frequent and intense.
Memory Technology: Enhanced Multi-Level Cell (EMLC)
The SDFA381DAB01 utilizes Enhanced Multi-Level Cell (EMLC) memory technology. eMLC strikes a balance between performance and durability, providing a higher number of program/erase cycles compared to traditional MLC, making it well-suited for applications that involve frequent data writing. The SDFA381DAB01 utilizes Enterprise Multi-level Cell ( EMLC) technology to deliver exceptional performance and endurance. eMLC represents a higher grade of NAND flash memory compared to consumer-grade MLC (Multi-level Cell) or TLC (Triple-level Cell) NAND.
eMLC offers enhanced durability and longevity, making it well-suited for the rigorous demands of enterprise environments. With its ability to endure a high number of program/erase cycles, eMLC ensures consistent performance and reliability over an extended period of use, even under heavy workloads.
Interface: Serial-Attached SCSI (SAS) 12 Gigabytes Per Second (GBPS)
Ensuring swift and reliable data transfer, the SDFA381DAB01 employs the Serial-Attached SCSI (SAS) interface with a blazing-fast speed of 12 Gigabytes Per Second (GBPS). This high-speed interface is crucial for maintaining optimal performance in server environments where data access speed is paramount. The Serial-Attached SCSI (SAS) interface of the SDFA381DAB01 enables high-speed data transfer between the drive and the server. SAS is a robust and reliable interface commonly used in enterprise storage systems due to its superior performance and scalability.
Form Factor: 2.5 Inch
The compact 2.5-inch form factor of the SDFA381DAB01 is designed to seamlessly integrate into server systems. This smaller size is a practical choice for environments where space optimization is crucial, allowing for efficient stacking and cooling within server racks.
Hot Plug Capability
Facilitating ease of maintenance and minimizing downtime, the SDFA381DAB01 is equipped with hot-plug capabilities. This means that the drive can be replaced or added without powering down the entire system, a crucial feature for mission-critical server operations. The SDFA381DAB01 features hot-plug capability, allowing for seamless installation and replacement of drives without the need to power down the server. Hot-plug, also known as a hot swap, enables IT administrators to perform maintenance tasks and upgrades while the server remains operational, minimizing downtime and maximizing productivity.
The 2.5-inch form factor of the drive further enhances its compatibility with standard server configurations. Its compact size allows for efficient use of space within the server chassis, enabling the deployment of multiple drives for increased storage capacity and redundancy.
Performance MetricsData Transfer Rate: 12 Gbps
The SDFA381DAB01 delivers exceptional data transfer rates, operating at an impressive 12 Gigabytes Per Second (Gbps). This ensures that data can be read from and written to the drive swiftly, meeting the demands of high-performance server applications.
512N Sector Size
Featuring a 512N sector size, the SDFA381DAB01 aligns with modern storage standards. The 512N format is widely supported and ensures compatibility with a broad range of systems and applications.
Sustained Performance Metrics
- Sequential Read and Write: With a sustained 64KiB sequential read speed of 1,900 Megabytes per second (MiB/s), the SDFA381DAB01 excels in swiftly retrieving large data sets. The corresponding sequential write speed of 850 MiB/s ensures efficient handling of write-intensive tasks.
- Random Read and Write: In scenarios involving smaller, scattered data, the SDFA381DAB01 demonstrates impressive performance with a sustained 4KiB random read speed of 270,000 Input/Output Operations Per Second (IOPS) and a random write speed of 60,000 IOPS.
Reliability MetricsMean Time To Failure (MTTF): 2,000,000 Hours
Reliability is a key consideration for any storage solution, and the SDFA381DAB01 excels in this aspect with a Mean Time To Failure (MTTF) of 2,000,000 hours. This metric reflects the drive’s expected operational lifespan before encountering any failure, instilling confidence in its long-term performance.
Drive Writes Per Day (DWPD): 10
For environments with demanding write workloads, the SDFA381DAB01’s Drive Writes Per Day (DWPD) rating of 10 ensures that the drive can handle data writes equivalent to 10 times its capacity each day. This robust capability makes it well-suited for scenarios where data writing is a critical and frequent operation.
Write-Intensive Workloads
The SDFA381DAB01 is specifically optimized for write-intensive workloads commonly encountered in server environments. Write-intensive tasks involve frequent and continuous writing of data to the drive, such as database operations, logging, and caching.
By featuring write-intensive optimization, the drive can sustain high levels of write activity without compromising performance or reliability. This makes it ideal for applications where data integrity and consistency are paramount, ensuring smooth and uninterrupted server operations.
Power Management for Energy Efficiency
The Toshiba SDFA381DAB01 1.6TB Write Intensive SAS SSD is designed with power management in mind, making it an energy-efficient storage solution for organizations. Power management is an important consideration for organizations looking to reduce their energy costs and minimize the impact of their storage solutions on the environment. The SDFA381DAB01 Toshiba SSD uses low-power modes to reduce energy consumption during idle periods. When the SSD is not being used, it can enter into a low-power state, reducing the amount of energy it uses and extending the life of the drive. This helps to reduce energy costs and improve the overall efficiency of the storage solution.
General Information about the Toshiba SDFA381DAB01
- Manufacturer: Toshiba
- Model Number or SKU# SDFA381DAB01
- Product Type: Solid State Drive-Hot-swap
- Interface: SAS-12GBPS
Technical Information for 1.6 TB Solid State Drive
- Storage Capacity: 1.6 TB
- Memory Type: Multi-level Cell (MLC)
- Features: Write-intensive
- Data Transfer Rate: 1.2 Gbps
Performance
- Drive Transfer Rate: 1.2 Gbps (external)
- Sustained 64KiB Sequential Read: 1,900 MiB/s
- Sustained 64KiB Sequential Write: 850 MiB/s
- Sustained 4KiB Random Read: 270,000 IOPS
- Sustained 4KiB Random Write: 60,000 IOPS
- MTTF (Mean Time To Failure): 2,000,000 Hours
- DWPD (Drive Writes Per Day): 10
In summary, the Toshiba SDFA381DAB01 solid-state drive represents a high-performance storage solution tailored for server environments. With its generous capacity, write-intensive optimization, eMLC technology, SAS interface, and hot-plug capability, it delivers the reliability, speed, and flexibility required to meet the demands of modern data centers.





