345-BEMM DELL 1.92Tb SAS-24Gbps Read Intensive 1DWPD 2.5-Inch SSD

Comprehensive Product Description

Product Overview

• Manufacturer: Dell
• Part Number: 345-BEMM
• Device Type: Enterprise-Class Solid State Drive (SSD)
• Form Factor: 2.5-inch Small Form Factor (SFF)
• Interface: SAS 24Gbps Hot-Swap
• Endurance: Read-Intensive, 1 DWPD

Technical Specifications

Storage & Flash Technology

• Capacity: 1.92TB
• Flash Memory Type: TLC NAND
• Form Factor: 2.5-inch SFF

Performance Overview

• Sequential Read (128KiB): 4,200 MB/s
• Sequential Write (128KiB): 3,650 MB/s
• Random Read (4KiB): 720K IOPS
• Random Write (4KiB): 155K IOPS

Reliability & Durability

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

Interface & Connectivity

• Interface Type: SAS 24Gb/s
• Hot-Swap Compatible: Yes, 2.5-inch bays

Server Compatibility

Modular & Rack Servers

• PowerEdge C6420, C6520, C6525, C6600, C6615, C6620
• PowerEdge HS5610, HS5620

Rack & Tower Servers

• PowerEdge R350, R450, R540, R550, R640, R650, R650xs, R6515, R6525
• PowerEdge R660, R660xs, R6615, R6625, R740, R740xd, R750, R750xa, R750xs
• PowerEdge R7515, R7525, R760, R760xa, R760xs, R7615, R7625, R840, R860, R940, R940xa, R960
• PowerEdge T550, T560

Storage Systems

• PowerEdge XR7620
• PowerVault MD2424

Key Advantages

• Enterprise Reliability: Certified by Dell for mission-critical operations
• High-Speed Data Transfer: SAS 24Gbps interface for rapid read/write performance
• Hot-Swap Capability: Enables seamless replacement without system downtime
• Optimized Endurance: Read-intensive design ideal for heavy data workloads

DELL 345-BEMM 1.92TB SAS-24Gbps Read Intensive SSD: Enterprise-Class Storage for High-Performance Applications

The DELL 345-BEMM 1.92TB SAS-24Gbps Read Intensive 1DWPD 2.5-Inch SSD is a purpose-built enterprise-grade solid-state drive engineered for environments demanding high-speed data access, consistent throughput, and robust reliability. Designed for read-intensive workloads, this SSD is ideal for boot volumes, virtual desktop infrastructure (VDI), media streaming, and web hosting. With support for the latest SAS-4 interface offering up to 24Gbps bandwidth, a 1 Drive Write Per Day (DWPD) endurance rating, and a compact 2.5-inch hot-plug form factor, the 345-BEMM delivers exceptional performance, reliability, and scalability for modern data centers.

Interface and Connectivity

SAS-24Gbps High-Speed Interface

The DELL 345-BEMM SSD utilizes the SAS-4 interface, capable of delivering up to 24Gbps of bandwidth per port. This represents a significant leap over SAS-12Gbps, enabling faster data transfer rates, reduced latency, and improved IOPS performance. SAS-24Gbps is designed for high-density, high-performance storage environments where speed and reliability are paramount.

Dual-Port Redundancy

The dual-port architecture of SAS drives allows for multipath I/O and failover support, ensuring uninterrupted access to data even in the event of a path failure. This is critical for enterprise deployments requiring high availability and fault tolerance.

Backward Compatibility

While optimized for SAS-24Gbps controllers, the DELL 345-BEMM SSD maintains backward compatibility with SAS-12Gbps infrastructure. This ensures seamless integration into existing systems and simplifies upgrade paths for organizations transitioning to newer technologies.

Form Factor and Hot-Plug Capability

2.5-Inch Enterprise Form Factor

The SSD features a standard 2.5-inch form factor, making it compatible with a wide range of Dell PowerEdge servers and storage enclosures. Its compact design supports dense storage configurations, allowing for efficient use of rack space in data centers.

Hot-Plug Support

Hot-plug functionality enables administrators to replace or upgrade drives without powering down the system. This feature is essential for minimizing downtime and maintaining service continuity in mission-critical environments.

Capacity and Endurance

1.92TB Storage for Read-Intensive Workloads

With a capacity of 1.92TB, the DELL 345-BEMM SSD provides ample space for operating systems, application binaries, and frequently accessed datasets. This capacity is ideal for read-intensive applications such as boot volumes, media libraries, and virtual machine images.

1DWPD Endurance Rating

The 1 Drive Write Per Day (DWPD) rating ensures the SSD can handle up to 1.92TB of writes per day over a five-year warranty period. This endurance level is optimized for workloads with minimal write activity, ensuring long-term reliability and consistent performance.

Performance Optimization

High Sequential Read Throughput

The DELL 345-BEMM SSD delivers exceptional sequential read speeds, enabling rapid access to large files and datasets. This performance is critical for applications such as video-on-demand, backup restoration, and software distribution.

Optimized Random Read IOPS

The drive is tuned for high random read IOPS, ensuring responsiveness in environments with frequent small-block data access. This includes virtual machine boot processes, search indexing, and metadata retrieval in file systems.

Low Latency Architecture

The SSD’s low-latency design minimizes response times, enhancing application performance and user experience. Whether serving web pages or booting virtual desktops, the drive maintains consistent latency under varying load conditions.

Security and Data Protection

Instant Secure Erase (ISE)

The DELL 345-BEMM SSD includes Instant Secure Erase functionality, allowing administrators to quickly and securely wipe all data from the drive. This feature is essential for compliance with data protection regulations and secure decommissioning of hardware.

Data Sanitization and Compliance

ISE ensures that sensitive data is irrecoverable, supporting compliance with standards such as NIST 800-88 and GDPR. It simplifies asset disposal and reduces the risk of data breaches during hardware transitions.

Reliability and Durability

Enterprise-Grade NAND Flash

The SSD utilizes high-quality NAND flash memory with advanced wear-leveling, error correction, and over-provisioning algorithms. These features enhance reliability, extend lifespan, and ensure consistent performance in demanding environments.

MTBF and UBER Ratings

With a Mean Time Between Failures (MTBF) exceeding 2 million hours and a low Unrecoverable Bit Error Rate (UBER), the DELL 345-BEMM SSD offers robust durability. These metrics confirm its suitability for continuous operation in mission-critical applications.

Compatibility and Deployment

Dell PowerEdge Server Integration

The DELL 345-BEMM SSD is validated for use in Dell PowerEdge servers and storage arrays. It integrates seamlessly with Dell RAID controllers, management software, and firmware update tools, ensuring optimal performance and simplified deployment.

RAID Support and Storage Architectures

The drive supports standard RAID configurations such as RAID 1, RAID 5, and RAID 10. Its 2.5-inch form factor and SAS interface make it compatible with hot swap bays in rack-mounted servers and storage enclosures, enabling flexible storage architectures tailored to specific workload requirements.

Use Case Scenarios

Boot Volumes and Operating System Storage

The DELL 345-BEMM SSD is ideal for use as a boot drive in enterprise servers. Its high read performance ensures fast operating system loading and application startup. The 1.92TB capacity accommodates OS files, system logs, and essential binaries.

Web Hosting and Content Delivery

In web hosting environments, the SSD delivers rapid access to static content, scripts, and media files. Its read-intensive optimization ensures fast page loads and responsive user experiences. The drive supports content delivery networks (CDNs) by serving cached assets with minimal latency.

Media Streaming Platforms

For video-on-demand and audio streaming services, the SSD provides the read throughput necessary to deliver high-resolution content to multiple users simultaneously. Its SAS interface ensures sustained performance under concurrent access conditions.

Archival and Log Storage

The drive is suitable for storing logs, audit trails, and archival data that require frequent access but minimal updates. Its endurance rating supports long-term retention of read-heavy datasets without compromising reliability.

Environmental and Operational Specifications

Operating Temperature Range

The SSD supports a wide operating temperature range, typically from 0°C to 70°C, ensuring reliable performance in varied environmental conditions. This makes it suitable for deployment in data centers, industrial settings, and remote locations.

Shock and Vibration Resistance

Built to withstand physical stress, the drive features enhanced shock and vibration resistance. This ensures data integrity and operational stability during transport, installation, and continuous operation in high-vibration environments such as mobile data centers or ruggedized enclosures.

Management and Monitoring

SMART and Health Monitoring

The DELL 345-BEMM SSD supports Self-Monitoring, Analysis, and Reporting Technology (SMART), allowing administrators to monitor drive health, performance metrics, and predictive failure indicators. This proactive monitoring helps prevent data loss and enables timely maintenance.

Firmware Updates and Lifecycle Management

Dell provides firmware update tools and lifecycle management utilities that ensure the SSD remains secure and optimized throughout its operational life. These tools integrate with Dell OpenManage and other enterprise platforms, simplifying updates and reducing administrative overhead.