345-BJNX Dell 1.92TB PCIe 4.0 X4 NVMe Read Intensive TLC 1DWPD U.2 2.5inch SSD

The Dell 345-BJNX is a 1.92TB enterprise internal solid-state drive crafted for read-intensive workloads. Featuring PCIe 4.0 x4 NVMe connectivity and a 2.5-inch U.2 small form factor with 15mm height, this SSD delivers exceptional speed, reliability, and efficiency for Dell PowerEdge 14G–17G servers. Engineered with 96-layer TLC 3D NAND, it ensures high performance, endurance, and consistent operation in demanding data center environments.

Key Features

• Read-intensive optimization: Ideal for workloads with heavy read operations and lighter write requirements.
• Capacity: 1.92TB storage provides ample space for enterprise applications and virtualization.
• High-speed interface: PCIe Gen4 x4 NVMe ensures ultra-fast data transfers and minimal latency.
• Compact U.2 2.5-inch form factor: Fits standard enterprise server bays with included tray for secure installation.
• Advanced NAND technology: 96-layer TLC 3D NAND provides durability and efficient performance per watt.
• Enterprise reliability: Shock tolerance up to 1000 G and MTBF of 2,000,000 hours for continuous operation.

Technical Specifications

• Storage Capacity: 1.92TB
• Interface Type: PCIe 4.0 x4 NVMe
• Form Factor: U.2 2.5-inch, 15mm SFF
• Flash Type: TLC 96-layer 3D NAND
• Shock Resistance: 1000 G
• MTBF: 2,000,000 hours

Performance Metrics

• Sequential Read: Up to 7,000 MB/s
• Sequential Write: Up to 4,300 MB/s
• Random Read (4K, 100% Span): Up to 1,000,000 IOPS
• Random Write (4K, 100% Span): Up to 130,000 IOPS

General Information

• Manufacturer: Dell
• Part Number: 345-BJNX
• Product Type: Internal Solid State Drive

Enterprise Advantages

• High-speed read access for virtualization, database queries, and analytics workloads.
• Compact 2.5-inch U.2 form factor saves rack space and allows efficient server deployment.
• Advanced TLC NAND ensures long-term endurance with consistent performance.
• Shock-tolerant and highly reliable with a 2 million-hour MTBF, suitable for mission-critical applications.
• Included tray simplifies installation in supported Dell PowerEdge servers (14G–17G).Summary

Dell 345-BJNX 1.92TB PCIe 4.0 x4 NVMe internal SSD delivers high-performance, read-optimized storage in a 2.5-inch U.2 15mm form factor. Compatible with Dell PowerEdge 14G, 15G, 16G, and 17G servers, this enterprise-grade SSD employs 96-layer TLC 3D NAND technology to provide ultra-fast sequential and random read speeds, robust reliability, and efficient operation for demanding data center workloads.

DELL 345-BJNX 1.92TB PCIe 4.0 X4 NVMe Read-Intensive TLC Enterprise SSD Overview

The DELL 345-BJNX 1.92TB PCIe 4.0 X4 NVMe Read-Intensive TLC U.2 2.5-inch Solid State Drive is engineered for enterprise environments requiring high-speed, reliable, and low-latency storage. Designed specifically for DELL PowerEdge 14G, 15G, 16G, and 17G servers, this SSD combines the latest PCIe Gen4 NVMe interface with TLC NAND technology, providing a balanced solution for read-intensive workloads. Its 1DWPD (Drive Writes Per Day) rating ensures durability while optimizing cost efficiency for read-heavy enterprise applications. The inclusion of a U.2 tray allows for quick, hot-swappable integration into server architectures, minimizing downtime during maintenance or upgrades.

Key Features of the DELL 345-BJNX 1.92TB SSD

The DELL 345-BJNX 1.92TB SSD provides enterprise-grade features that cater to IT administrators, data center engineers, and storage architects seeking high-performance solutions:

• High Storage Capacity: 1.92TB in a compact 2.5-inch U.2 SSF form factor.
• PCIe 4.0 x4 NVMe Interface: Accelerated read and write performance for sequential and random workloads.
• Read-Intensive TLC NAND: Optimized for workloads dominated by read operations with 1DWPD endurance rating.
• Enterprise Reliability: Incorporates power-loss protection, advanced error correction, and wear-leveling algorithms.
• Full Compatibility: Works seamlessly with DELL PowerEdge 14G through 17G server generations.
• Hot-Swap Ready: Tray integration ensures easy maintenance without powering down servers.

PCIe Gen4 NVMe Architecture and Performance Benefits

The DELL 345-BJNX leverages PCIe Gen4 NVMe technology to provide enhanced bandwidth and lower latency compared to previous PCIe Gen3 or SATA-based SSDs. Utilizing four lanes of PCIe Gen4, this SSD can deliver faster sequential reads and writes and significantly improved random access speeds, making it ideal for data-intensive enterprise applications such as analytics, virtualization, and large-scale database operations.

By supporting multiple I/O queues and reducing CPU overhead, the NVMe protocol ensures that the 345-BJNX maintains high efficiency under heavy workloads, making it a reliable choice for enterprises with demanding storage requirements.

Read-Intensive 1DWPD Optimization

With a 1DWPD endurance rating, the 345-BJNX is specifically optimized for read-dominant workloads, allowing enterprises to achieve a balance between performance and cost efficiency. Typical applications include:

• Virtual desktop infrastructure (VDI) environments, where read operations are predominant
• Database query and reporting platforms requiring consistent low-latency reads
• Content delivery networks and web hosting servers serving high volumes of read requests
• Analytics and big data environments where datasets are frequently accessed but rarely rewritten
• Nearline storage or archival systems requiring quick access for restoration

Deploying SSDs aligned with 1DWPD workloads ensures long-term durability, predictable performance, and reduced TCO (Total Cost of Ownership) for read-heavy enterprise operations.

TLC NAND Technology for Enterprise Applications

The DELL 345-BJNX 1.92TB SSD utilizes Triple-Level Cell (TLC) 3D NAND, which offers a balance of storage density, endurance, and cost efficiency. TLC NAND provides sufficient reliability for read-intensive workloads while maximizing storage capacity per module. Its features include:

• Advanced Error Correction Code (ECC) to prevent data corruption and ensure data integrity
• Power-loss protection circuitry to safeguard in-flight data during outages
• Wear-leveling algorithms to distribute writes evenly across NAND cells, enhancing lifespan
• End-to-end data integrity and monitoring for mission-critical workloads

Form Factor and Compatibility with PowerEdge Servers

The U.2 2.5-inch small form factor ensures the 345-BJNX SSD integrates seamlessly with DELL PowerEdge servers from 14G to 17G generations. The hot-swap tray allows quick installation and replacement without server downtime, increasing operational efficiency. The compact form factor also supports high-density deployments, optimizing rack space in modern data centers.

Cross-generation compatibility simplifies procurement and standardization of enterprise storage across heterogeneous server environments, reducing management complexity.

Performance Metrics and Real-World Applications

Designed for read-intensive workloads, the DELL 345-BJNX delivers high sequential read performance, rapid random read IOPS, and sufficient write performance for supporting application requirements. Its performance profile is ideal for:

• Virtualization and VDI deployments requiring rapid access to user profiles and desktop images
• Database analytics and reporting platforms demanding low-latency read access
• Content delivery networks requiring consistent and predictable read throughput
• Web applications with high concurrent read requests and low write demands
• Nearline or secondary storage where quick access to infrequently modified data is necessary

Enterprise testing confirms that the PCIe Gen4 NVMe interface, combined with TLC NAND, enables reliable performance under sustained workloads, making the 345-BJNX a dependable solution for enterprise-scale storage infrastructures.

Thermal and Power Efficiency

Enterprise SSD deployments must maintain consistent thermal profiles and efficient power usage. The 345-BJNX is engineered for efficient heat dissipation, and its thermal throttling mechanisms ensure reliable operation even under heavy load. Proper server airflow, blanking panels, and optimized fan strategies complement the drive's design for extended operational life.

In addition, the SSD consumes less power compared to mechanical drives, reducing operational costs and cooling requirements, which is particularly beneficial in dense data center environments.

Deployment Best Practices

Optimizing deployment of the DELL 345-BJNX involves understanding workload patterns and infrastructure design:

• Hybrid storage architecture: Combine read-intensive 345-BJNX SSDs with high-endurance cache drives for write bursts.
• RAID and redundancy: Implement RAID 5/6 or distributed replication to ensure data resilience against drive failure.
• Workload alignment: Assign read-heavy applications to 345-BJNX drives to maximize longevity and cost-efficiency.
• Firmware management: Regularly update DELL-approved firmware to maintain optimal performance and reliability.
• Monitoring: Integrate the drives into centralized dashboards like DELL iDRAC or OMSA for proactive management.

Security, Encryption, and Data Integrity

The 345-BJNX supports hardware encryption and integrates with centralized key management systems, offering enterprises robust security for sensitive workloads. Secure erase and crypto-erase functionalities allow safe disposal or repurposing of drives while maintaining compliance with industry regulations. Detailed audit and usage tracking ensure data integrity across the SSD lifecycle.

Enterprise Use Cases

The DELL 345-BJNX 1.92TB SSD supports a wide range of enterprise applications:

• VDI and virtualized workloads
• Database querying and analytics platforms
• Content delivery and media streaming servers
• Web application servers with high concurrent reads
• Nearline and secondary storage requiring rapid access

Comparative Analysis and Positioning

Compared to other enterprise SSDs, the 1.92TB DELL 345-BJNX provides a cost-efficient solution for read-heavy workloads. While higher-endurance drives (MLC or SLC) are more suitable for write-intensive applications, the 345-BJNX balances affordability, performance, and reliability. Its U.2 form factor enables high-density deployments and ensures compatibility across multiple server generations.

Procurement and Deployment Considerations

• Verify server generation and backplane support for U.2 NVMe drives
• Confirm tray and sled compatibility for hot-swap operations
• Check firmware versions and warranty coverage
• Plan lifecycle management, including monitoring, replacement, and firmware updates
• Integrate into hybrid storage tiers to optimize read-intensive performance and drive longevity

Maintenance Best Practices

• Monitor SMART metrics, temperature, and TBW regularly
• Integrate alerts and dashboards through DELL iDRAC or OMSA
• Apply firmware updates in phased stages to reduce operational risk
• Keep spare drives and trays ready for rapid replacement
• Set alerts for wear thresholds, temperature spikes, and media errors