345-BEJS Dell 960Gb SAS-12Gbps Read Intensive Hot-Plug SSD.

Comprehensive Product Description

Product Overview

• Brand: DELL
• Model Number: 345-BEJS
• Drive Type: Internal Solid State Drive (SSD)
• Design: Hot-Plug with Tray, 2.5-inch Small Form Factor

Technical Specifications

• Storage Capacity: 960GB
• Flash Technology: 3D TLC NAND (Triple-Level Cell)
• Form Factor: 2.5-inch (15mm height)
• Interface: SAS (Serial Attached SCSI) 12Gb/s
• Endurance Class: Read-Intensive
• DWPD: 1 Drive Write Per Day

Performance Characteristics

Sequential Performance

• Read Speed: Up to 4,150 MB/s
• Write Speed: Up to 1,450 MB/s

Random Input/Output

• Random Read (4K): 595,000 IOPS
• Random Write (4K): 75,000 IOPS

Expansion & Connectivity

• Interfaces: 1 x SAS 12Gb/s
• Compatible Drive Bays: Hot-Plug 2.5-inch slots

Supported Dell PowerEdge Platforms

Rack Servers

• PowerEdge R440, R640, R650, R6515
• PowerEdge R6525, R660, R6625
• PowerEdge R740, R740xd
• PowerEdge R750, R7515, R7525
• PowerEdge R760, R840, R940

High-Density & Modular Servers

• PowerEdge C6420, C6525, C6620

Tower Servers

• PowerEdge T550, T560

Key Features & Advantages

• Enterprise-Class Storage: Reliable SSD designed for Dell PowerEdge environments
• High-Speed Data Transfers: Leverages SAS 12Gb/s interface for reduced latency
• Optimized for Read-Intensive Tasks: 1 DWPD endurance rating ensures stability for workloads with heavy read operations
• Scalable and Flexible: Hot-plug capability allows simple deployment and replacements
• Energy-Efficient: Consumes less power compared to traditional spinning drives

Best-Suited Applications

Read-Intensive Workloads

Designed to deliver consistent and reliable performance for applications that require fast data retrieval, including content delivery networks, database analytics, and cloud services.

Enterprise Data Management

Compatible with a wide range of PowerEdge servers, this SSD supports mission-critical applications, storage optimization, and virtualization.

Recommended Usage

• Database acceleration
• Virtualized environments
• Large-scale data analysis
• Enterprise storage upgrades

Dell 345-BEJS 960GB SAS-12Gbps Read Intensive SSD: Enterprise-Class Storage for High-Read Workloads

The Dell 345-BEJS 960GB SAS-12Gbps Read Intensive 1DWPD 2.5-Inch Hot-Plug SSD is a high-performance enterprise-grade solid-state drive engineered for environments where read operations dominate. Designed for reliability, scalability, and efficiency, this SSD is ideal for boot volumes, web hosting, media streaming, and archival storage. With its SAS-12Gbps interface, 1 Drive Write Per Day (DWPD) endurance rating, and hot-plug capability, it delivers consistent throughput and seamless integration into Dell PowerEdge servers and storage arrays.

Interface and Form Factor

SAS-12Gbps Connectivity

The Dell 345-BEJS SSD utilizes the Serial Attached SCSI (SAS) 12Gbps interface, offering enterprise-grade reliability, dual-port redundancy, and high throughput. SAS supports full-duplex data transmission and advanced error correction, making it ideal for mission-critical storage environments. Compared to SATA, SAS delivers superior signal integrity and scalability, ensuring consistent performance under heavy workloads.

2.5-Inch Hot-Plug Design

Featuring a 2.5-inch form factor with hot-plug support, the SSD allows for seamless drive replacement or upgrades without powering down the system. This is essential for maintaining uptime in high-availability infrastructures. The hot-plug capability simplifies maintenance in RAID arrays and storage enclosures, reducing operational disruptions and enhancing serviceability.

Capacity and Endurance

960GB Storage for Read-Intensive Applications

With a capacity of 960GB, the Dell 345-BEJS SSD provides sufficient space for operating systems, application binaries, and read-heavy datasets. This capacity is ideal for workloads such as boot volumes, media libraries, and web content repositories. The drive supports scalable deployments across enterprise servers, cloud platforms, and edge devices.

1DWPD Endurance Rating

The 1 Drive Write Per Day (DWPD) endurance rating reflects the drive’s suitability for read-intensive workloads. It can sustain approximately 960GB of writes per day over a five-year warranty period. This endurance level is optimized for applications with minimal write activity, such as boot drives, log storage, and content delivery networks (CDNs).

Performance Optimization

Read-Intensive Workload Tuning

The Dell 345-BEJS SSD is tuned for high read throughput and low latency, delivering consistent performance in environments where data retrieval is prioritized. Its firmware and controller architecture are optimized to accelerate sequential and random read operations, making it ideal for web servers, media streaming platforms, and virtual machine boot volumes.

Sequential Read Performance

The drive achieves high sequential read speeds, enabling rapid access to large files and datasets. This is particularly beneficial for applications such as video-on-demand, software distribution, and backup restoration. The SAS interface ensures sustained throughput even under concurrent access scenarios.

Random Read IOPS

Optimized for random read operations, the SSD delivers high Input/Output Operations Per Second (IOPS), ensuring responsiveness in environments with frequent small-block data access. This includes search indexing, boot processes, and metadata retrieval in file systems.

Latency Management

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

Reliability and Data Integrity

Enterprise-Grade NAND Flash

The SSD uses high-quality NAND flash memory designed for enterprise workloads. Error correction algorithms, wear-leveling, and over-provisioning enhance reliability and extend the drive’s lifespan. These features ensure consistent performance and data integrity in read-intensive 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-BEJS SSD offers robust reliability. These metrics confirm its suitability for continuous operation in mission-critical applications.

Compatibility and Integration

Dell PowerEdge Server Compatibility

The Dell 345-BEJS 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. This ensures optimal performance, simplified deployment, and full support within Dell’s enterprise ecosystem.

RAID Configurations and Hot Swap Bays

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. This enables flexible storage architectures tailored to specific workload requirements.

Use Case Scenarios

Boot Volumes and Operating System Storage

The Dell 345-BEJS 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 960GB 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-BEJS 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.

Power Efficiency and Thermal Management

Low Power Consumption

The Dell 345-BEJS SSD is designed for energy efficiency, consuming less power than write-intensive drives. This reduces operational costs and heat output, making it ideal for dense server environments and energy-conscious deployments.

Thermal Throttling and Heat Dissipation

The SSD includes thermal throttling mechanisms to prevent overheating during sustained workloads. Its design facilitates effective heat dissipation, maintaining optimal operating temperatures and ensuring consistent performance.