345-BHMD Dell 1.92TB SAS 24GBPS MU SFF 512e SSD

345-BHMD Dell SAS 24Gbps Mixed Use SSD Overview

The Dell 345-BHMD 1.92TB SAS 24Gbps Mixed Use 2.5in SED Hot-Plug SSD is engineered for high-performance enterprise environments requiring robust throughput, secure data handling, and consistent reliability. Designed for compatibility with 14th, 15th, and 16th generation Dell PowerEdge servers, this drive leverages the latest SAS 24Gbps interface to deliver exceptional bandwidth and low latency for mixed-use workloads. Its 2.5-inch form factor and hot-plug capability make it ideal for scalable deployments in data centers, virtualization clusters, and mission-critical applications.

Interface and Performance Characteristics

The SAS 24Gbps interface represents a significant leap over previous generations, doubling the bandwidth of SAS 12Gbps and enabling faster data transfers across enterprise storage arrays. This interface is backward compatible with legacy SAS infrastructure, ensuring seamless integration while unlocking the full performance potential in modern server platforms.

Key Performance Metrics

• Sequential Read: Up to 2,100 MB/s
• Sequential Write: Up to 1,100 MB/s
• Random Read IOPS: Up to 180,000
• Random Write IOPS: Up to 90,000
• Latency: Sub-millisecond response times

Mixed Use Optimization

Classified as a Mixed Use SSD, the 345-BHMD is optimized for workloads that balance read and write operations. This includes database transactions, virtual desktop infrastructure (VDI), email servers, and ERP systems. With a write endurance rating suitable for moderate daily writes, it offers a cost-effective solution for environments that demand both performance and durability.

Security Features: Self-Encrypting Drive (SED)

The inclusion of Self-Encrypting Drive (SED) technology ensures that data is automatically encrypted at the hardware level, providing robust protection against unauthorized access. This is particularly critical for industries such as healthcare, finance, and government, where data privacy and compliance are paramount.

SED Benefits

• Hardware-based AES 256-bit encryption
• Instant secure erase capability
• Compliance with TCG Enterprise standards
• Reduced CPU overhead compared to software encryption

Form Factor and Hot-Plug Design

The 2.5-inch Small Form Factor (SFF) allows for high-density storage configurations in rack-mounted servers and storage arrays. The hot-plug capability enables administrators to replace or upgrade drives without powering down the system, minimizing downtime and enhancing serviceability in live environments.

Deployment Flexibility

• Supports Dell PowerEdge 14G, 15G, and 16G platforms
• Compatible with Dell backplanes and RAID controllers
• Ideal for both internal and external storage enclosures

Compatibility with Dell PowerEdge Servers

The 345-BHMD SSD is validated for use with a wide range of Dell PowerEdge servers, including:

14th Generation (14G)

• PowerEdge R740, R640, R540
• PowerEdge T640, T440
• PowerEdge MX740c, MX840c

15th Generation (15G)

• PowerEdge R750, R650, R550
• PowerEdge T550
• PowerEdge MX750c

16th Generation (16G)

• PowerEdge R760, R660
• PowerEdge XE9680
• PowerEdge C6620

Enterprise Reliability and Endurance

Built with enterprise-grade NAND flash and advanced firmware algorithms, the 345-BHMD SSD delivers consistent performance under sustained workloads. It features Power Loss Protection (PLP), thermal throttling, and wear-leveling mechanisms to ensure data integrity and drive longevity.

Endurance Rating

• DWPD (Drive Writes Per Day): 3 DWPD for 5 years
• Total Bytes Written (TBW): Approx. 10.5 PB
• MTBF: >2 million hours

Advanced Error Correction

The drive incorporates LDPC (Low-Density Parity Check) error correction and End-to-End Data Protection to safeguard against silent data corruption and ensure accurate data delivery across the storage stack.

Use Cases and Application Scenarios

The 345-BHMD SSD is ideal for a variety of enterprise applications that require a balance of performance, endurance, and security. Common use cases include:

Virtualization and VDI

Supports high IOPS and low latency for virtual machine provisioning, boot storms, and desktop image management.

Database and OLTP Workloads

Accelerates transactional throughput and reduces query response times in SQL, Oracle, and NoSQL environments.

Email and Collaboration Platforms

Enhances performance for Microsoft Exchange, SharePoint, and other collaborative tools with mixed read/write profiles.

ERP and CRM Systems

Provides consistent performance for SAP, Salesforce, and other enterprise resource planning platforms.

Thermal and Power Efficiency

The SSD is optimized for low power consumption and thermal efficiency, reducing operational costs and improving overall system stability. It supports Active Power Management and Dynamic Thermal Monitoring to adapt to changing workloads and environmental conditions.

Power Specifications

• Active Power: ~4.5W
• Idle Power: ~1.2W
• Operating Temperature: 0°C to 70°C

Firmware and Management Tools

Dell provides integrated firmware management and monitoring tools for the 345-BHMD SSD, including:

OpenManage Storage Services

• Real-time health monitoring
• Firmware update automation
• Predictive failure alerts

Integration with iDRAC

Enables remote diagnostics, drive status reporting, and secure erase operations via Dell’s Integrated Dell Remote Access Controller (iDRAC).

Compliance and Certifications

The 345-BHMD SSD meets stringent industry standards for enterprise deployment, including:

Certifications

• RoHS and REACH compliant
• UL and CE certified
• TCG Enterprise SED compliance

Comparison with Other Dell SAS SSDs

Compared to previous-generation SAS 12Gbps drives, the 345-BHMD offers:

Performance Gains

• Up to 2x bandwidth improvement
• Lower latency under mixed workloads
• Improved queue depth handling