005051591 EMC 800GB SAS 12GBPS Unity SFF Solid State Drive

Overview of the EMC 005051591 800GB SAS 12GBPS SSD

Discover high-performance enterprise-grade storage with the EMC 800GB SAS Internal Solid State Drive, engineered for speed, reliability, and seamless integration into modern server environments.

Essential Product Details

• Brand Name: EMC
• Item Code: 005051591
• Product Type: Internal Solid-State Drive

Technical Specifications

• Storage Capacity: 800 Gigabytes
• Interface Protocol: Serial Attached SCSI (SAS) 12GBPS
• Form Factor: 2.5-Inch Slim Profile
• Data Throughput: Up to 1.2 Gigabits per Second

Performance Highlights

• Optimized for enterprise workloads and data center deployments
• High-speed SAS interface ensures rapid data access and transfer
• Compact 2.5-inch design fits seamlessly into standard drive bays

Compatibility and Integration

• Ideal for EMC storage arrays and compatible server platforms
• Supports hot-swap configurations for minimal downtime
• Designed for mission-critical applications requiring consistent performance

Enterprise-Level Benefits

• Trusted brand in enterprise storage solutions
• Robust build quality and long-term durability
• Advanced error correction and wear-leveling technology

EMC 005051591 800GB SAS 12GBPS Unity 2.5-inch SSD

EMC 005051591 800GB SAS 12Gbps Unity 2.5-inch Internal Solid State Drive represents a high-performance, enterprise-grade storage component engineered specifically for Unity storage arrays and compatible enterprise servers. Designed to deliver low latency, consistent I/O performance, and strong endurance characteristics, this 800GB SAS SSD is ideal for demanding workloads including virtualization, database acceleration, mixed transactional workloads, and high-throughput analytics. The drive’s 12Gbps SAS interface ensures it can take advantage of modern backplanes and controllers to provide sustained throughput and predictable latency in multi-tenant and mission-critical environments.

Performance Characteristics and I/O Efficiency

Bandwidth and Throughput

With a 12Gbps SAS interface, the EMC 005051591 is engineered for high sequential transfer rates and exceptional random IOPS performance. The drive’s internal architecture optimizes sustained read and write throughput, making it suitable for both sequential-heavy tasks such as backup staging and large-file analytics, and random I/O-intensive tasks such as OLTP databases. System architects will find this SSD able to push large volumes of data across modern storage fabrics while keeping host-side queues responsive.

Latency and Consistency

Latency is a critical dimension for enterprise storage; this Unity-focused SSD reduces average read and write latency through advanced NAND management and a responsive controller design. Whether serving VMs or transactional databases, the drive aims to deliver consistent microsecond-class latencies under varying queue depths. Predictable latency is particularly valuable for latency-sensitive applications like virtual desktop infrastructure (VDI), high-frequency transaction processing, and real-time analytics.

IOPS and Mixed-Workload Behavior

Engineered for mixed workloads, the EMC 005051591 balances high random IOPS with endurance-preserving algorithms that maintain performance over time. Intelligent firmware-level features such as wear leveling, garbage collection scheduling, and write amplification reduction enable the drive to sustain high IOPS numbers across extended operational windows. This makes the SSD a reliable choice for consolidation of workloads where both reads and writes occur at scale.

Endurance, Reliability, and Enterprise-Grade Durability

NAND Endurance and Write Workload Tolerance

Endurance metrics for enterprise SSDs are critical for planning lifecycle and maintenance. The 800GB capacity paired with enterprise-class NAND and firmware delivers a robust write endurance profile suitable for mixed-use cases. This drive is designed to tolerate consistent write workloads while maintaining data integrity and performance across its rated lifespan. Enterprise storage administrators can plan capacity and write budgets with confidence when integrating these drives into larger storage pools.

Power-Loss Protection and Data Integrity

Enterprise deployments demand rigorous safeguards against unexpected power events. The EMC 005051591 incorporates power-loss protection features that flush volatile caches and protect in-flight data to persistent storage during sudden power interruptions. Advanced error-correcting code (ECC) techniques and background data scrubbing further reinforce data integrity, making the drive suitable for mission-critical database and application workloads where data consistency is non-negotiable.

Mean Time Between Failures (MTBF) and Failure Modes

Manufactured to enterprise reliability standards, this Unified-series SSD is tested for long MTBF values and strict failure thresholds. The drive’s proactive monitoring capabilities (S.M.A.R.T. reporting and predictive failure indicators) enable administrators to identify emerging issues early and plan replacement or rebuilding operations with minimal disruption. The combination of robust hardware design and firmware resiliency minimizes unexpected downtime in high-availability clusters.

Wide Compatibility and Integration With Unity Platforms

Unity Storage Array Optimization

The EMC 005051591 is tailored for Unity family arrays, ensuring seamless compatibility with Unity’s hardware and software stack. Unity systems benefit from the drive’s device-level optimizations, allowing storage controllers to take full advantage of the drive’s throughput and latency characteristics. Integration testing and firmware alignment between drive and array firmware help ensure predictable performance when drives are used in tiering strategies or as part of all-flash pools.

Server and HBA Compatibility

Beyond Unity arrays, the 2.5-inch SAS form factor and industry-standard 12Gbps SAS protocol make this SSD broadly compatible with enterprise servers, host bus adapters (HBAs), and RAID controllers that support SAS drives. When deployed in direct-attach or server-centric configurations, administrators should ensure firmware compatibility and controller queue depth tuning to match the workload profile and maximize drive performance.

Hot-Plug

The drive’s hot-plug capability simplifies field maintenance and reduces service windows. Drive replacement and upgrades can be performed while the host is operational, provided standard hot-swap procedures are followed within the Unity or server chassis. Proper handling, including adherence to electrostatic discharge (ESD) protocols and temperature operating ranges, will maximize drive longevity and preserve warranty coverage.

Capacity Planning and Storage Architecture

Choosing the Right Capacity for Workloads

The 800GB capacity option strikes a balance between usable space and performance for intensive workloads where denser capacities could introduce trade-offs in latency or endurance. For tiered storage architectures, the 800GB drives can be used as high-performance tiers that accelerate hot data while larger, higher-capacity drives handle colder datasets. Capacity planning should consider not only raw capacity but also usable capacity after RAID or protection overhead and the expected write amplification from the workload.

RAID Configurations and Resilience

When incorporated into RAID arrays within Unity systems or server-based RAID controllers, the EMC 005051591 supports typical RAID levels such as RAID 1, RAID 5, RAID 6, and RAID 10. Selecting the appropriate RAID level depends on the desired balance between capacity efficiency, write performance, and resiliency. For write-intensive workloads, RAID configurations with lower parity overhead (e.g., RAID 10) may yield better performance, while parity-based RAID levels offer higher usable capacity with acceptable trade-offs in write amplification and rebuild times.

Scalability and Pool Design

Designing storage pools that incorporate these 800GB SAS SSDs requires attention to pool size, redundancy level, and rebuild impact. Administrators should consider distributing drives across multiple enclosures or fault domains to limit the blast radius of an enclosure failure. Where Unity features such as automated tiering or compression are used, mixing SSD tiers with capacity tiers demands testing to validate the expected performance gains and space savings.

Thermal, Power, and Environmental Considerations

Operating Temperatures and Thermal Management

Maintaining recommended operating temperatures is essential for preserving performance and longevity. The drive is rated for enterprise temperature ranges, but enterprise racks with dense drive populations require robust airflow and cooling strategies. Monitoring system-level thermal telemetry and ensuring unobstructed airflow paths will prevent throttling and reduce the risk of thermal-induced failures.

Power Consumption and Data Center Efficiency

SAS SSDs typically offer lower power consumption than equivalent spinning media under comparable throughput conditions, contributing to better data center power efficiency. The EMC 005051591’s power profile should be considered when calculating rack-level power draw and cooling budgets. When deploying many drives per chassis, cumulative power draw during peak I/O periods or rebuild operations can spike; plan capacity and power headroom accordingly.

Provisioning Best Practices

Provisioning the EMC 005051591 in a Unity array or server environment requires attention to alignment, filesystem block sizes, and host-level caching behavior. For virtualized environments, aligning storage provisioning with VM I/O patterns and employing host-side caching strategies (when appropriate) can significantly improve perceived performance. Documenting provisioning standards and automation scripts helps maintain consistency during scale-out deployments.

Security, Compliance, and Data Protection

Encryption and Data-at-Rest Protection

Data security is a central concern. While drive-level encryption capabilities vary, storage arrays typically offer array-level encryption, key management, and role-based access control. When utilizing drive-level encryption features, ensure that key management practices meet organizational compliance requirements such as FIPS or industry-specific regulations. Combining drive encryption with secure erasure processes supports compliance audits and data lifecycle policies.

Secure Erase and End-of-Life Handling

Retiring drives from service should follow secure erase procedures to ensure sensitive data is irrecoverable. Unity and server platforms often include tools for secure wipe or cryptographic erasure when drives are used with encryption keys. Documenting end-of-life procedures, maintaining inventory tracking, and verifying secure disposal steps are essential for regulatory adherence and data protection.

Use Cases and Deployment Scenarios

Virtualization and VDI

Virtualized environments with dense VM populations benefit from the SSD’s low latency and consistent IOPS. In VDI deployments where boot storms and login storms create bursty I/O patterns, the EMC 005051591’s responsiveness helps maintain a smooth user experience. Coupled with Unity features like storage pools and QoS controls, administrators can provision predictable performance for critical VM workloads.

Database Acceleration and Transactional Systems

Transactional databases and high-performance NoSQL stores require predictable latency and high IOPS. The drive’s enterprise-grade endurance and latency characteristics make it a strong fit for accelerating both read- and write-heavy database workloads. Use cases include primary OLTP databases, caching layers, and high-speed logging volumes where rapid commit times are essential.

Analytics, Big Data, and High-Performance Compute

Analytics workloads that require rapid ingest and analysis of hot datasets can leverage the SSD as a performance tier. When used in conjunction with capacity tiers and distributed file systems, the 800GB drives serve as high-speed hot-object stores, facilitating faster time-to-insight for data science workloads and real-time analytics pipelines.

Comparison, Alternatives, and Migration Guidance

Comparing to Higher-Capacity or NVMe Alternatives

When evaluating this SAS SSD against higher-capacity or NVMe options, consider the workload profile and infrastructure compatibility. NVMe drives offer lower latency and higher parallelism for PCIe-attached storage, but migrating to NVMe may require platform changes. The EMC 005051591 is often the optimal choice when leveraging existing SAS backplanes and Unity infrastructure while still achieving enterprise SSD performance.

Migration from HDDs or Mixed-Drive Arrays

Migrating workloads from spinning disks to the 800GB SAS SSD can provide dramatic improvements in response times and application throughput. Best practices include phased migration, performance baselining before and after migration, and validating application-level behavior under the new I/O characteristics. Consider leveraging Unity migration tools and snapshot-based replication to minimize application downtime during cutover.