345-BKJH Dell 960GB SAS 24GBPS Read Intensive TLC 1 DWPD Small Form Factor Enterprise SSD

Product Overview of the Dell 345-BKJH 960GB SAS 24GBPS SSD 

The Dell 345-BKJH 960GB SAS Solid State Drive is a high-performance, read-optimized enterprise storage solution designed for modern data centers. Built with advanced TLC NAND flash technology and a blazing-fast SAS 24Gb/s interface, this SSD delivers reliable speed, endurance, and efficiency for mission-critical workloads. It is ideal for environments that demand consistent read performance, low latency, and long-term durability.

General Information

Manufacturer and Identification

• Brand: Dell
• Manufacturer Part Number: 345-BKJH
• Product Type: Enterprise Solid State Drive

Technical Specifications

Storage Capacity and Memory Technology

• Total Capacity: 960GB
• NAND Flash Type: TLC (Triple-Level Cell)

Form Factor and Interface

• Form Factor: 2.5-inch Small Form Factor (SFF)
• Interface Type: SAS 24Gb/s
• Interface Count: 1 x SAS 24Gb/s

Endurance and Optimization

• Usage Type: Read Intensive
• Endurance Rating: 1 DWPD

Compatibility

Dell PowerEdge Server

• PowerEdge C6420, C6520, C6525
• PowerEdge C6600, C6615, C6620
• PowerEdge R350, R450, R540, R550
• PowerEdge R640, R650, R650xs
• PowerEdge R6515, R6525
• PowerEdge R660, R660xs, R6615, R6625
• PowerEdge R740, R740xd
• PowerEdge R750, R750xa, R750xs
• PowerEdge R7515, R7525
• PowerEdge R760, R760xa, R760xs
• PowerEdge R7615, R7625
• PowerEdge R840, R860
• PowerEdge R940, R940xa, R960
• PowerEdge T550
• PowerEdge T560
• PowerEdge XR7620
• PowerVault MD2424

Performance

Sequential Performance

• Sequential Read Speed (128KiB): Up to 4,200 MB/s
• Sequential Write Speed (128KiB): Up to 1,200 MB/s

Random I/O Performance

• Random Read Performance (4KiB): Up to 600,000 IOPS
• Random Write Performance (4KiB): Up to 55,000 IOPS

The Enterprise SAS Solid State Drives

The Dell 345-BKJH 960GB SAS 24Gbps Read Intensive TLC 1 DWPD Small Form Factor Enterprise Solid State Drive belongs to a high-performance enterprise storage category designed for data centers, virtualization platforms, and business-critical server environments. This category focuses on reliability, predictable performance, and compatibility with enterprise-grade systems where uptime, consistency, and scalability are essential. SAS solid state drives differ significantly from consumer SSDs by offering dual-port connectivity, advanced error correction, and firmware optimized for sustained workloads.

Enterprise SAS SSDs are widely deployed in rack servers, blade servers, and storage arrays that demand continuous operation under heavy workloads. The combination of a 24Gbps SAS interface and read-intensive optimization ensures fast access to frequently requested data while maintaining endurance levels suitable for enterprise usage patterns. This category supports organizations running databases, virtual machines, analytics platforms, and content delivery systems that rely on fast and stable storage performance.

Serial Attached SCSI 24Gbps 

The 24Gbps Serial Attached SCSI (SAS) interface represents the latest evolution of SAS technology, doubling the bandwidth of previous generations. Drives in this category are engineered to integrate seamlessly into enterprise backplanes and RAID controllers, providing high throughput and low latency under demanding conditions. The Dell 345-BKJH 960GB SAS SSD is aligned with enterprise infrastructure that requires consistent data transfer rates and dependable connectivity.

Unlike SATA-based storage, SAS drives offer full-duplex communication and dual-port access. This enables redundant paths between the drive and the host system, improving fault tolerance and ensuring continued operation even if one path fails. For mission-critical deployments, this feature is essential, particularly in clustered environments and high-availability storage arrays.

Dual-Port Architecture for High Availability

A defining characteristic of enterprise SAS SSDs is their dual-port architecture. This design allows two independent data paths to the same drive, enabling failover and load balancing in enterprise systems. The Dell 345-BKJH drive category is optimized for environments where storage availability directly impacts service continuity, such as financial systems, healthcare platforms, and enterprise resource planning applications.

Dual-port SAS SSDs are commonly used in redundant controller architectures, ensuring uninterrupted data access during maintenance or unexpected hardware issues. This level of resilience is a critical factor differentiating enterprise SAS storage from consumer-grade alternatives.

Read-Intensive Workloads

Read-intensive enterprise SSDs are specifically designed for workloads where data is read far more frequently than it is written. This includes web hosting, content delivery networks, virtual desktop infrastructure, and reporting systems. The Dell 345-BKJH 960GB SAS SSD fits squarely into this category, offering optimized performance characteristics that balance endurance with speed.

By leveraging TLC NAND and advanced controller algorithms, read-intensive SAS SSDs deliver high random read IOPS and consistent latency, even during peak usage. This ensures smooth application performance and predictable user experiences across enterprise environments.

TLC NAND Technology

Triple-Level Cell (TLC) NAND technology has become increasingly prevalent in enterprise storage due to its balance of cost efficiency and performance. In the context of enterprise SAS SSDs, TLC NAND is paired with sophisticated firmware, wear-leveling mechanisms, and error correction technologies to meet enterprise reliability standards. The Dell 345-BKJH category demonstrates how TLC NAND can be effectively utilized in read-intensive enterprise scenarios.

While TLC stores more bits per cell compared to MLC or SLC, enterprise implementations mitigate endurance concerns through intelligent write management and over-provisioning. This allows organizations to benefit from higher capacities and lower cost per gigabyte without compromising operational stability.

Advanced Error Correction

Enterprise SAS SSDs incorporate advanced wear-leveling algorithms to distribute writes evenly across NAND cells. This prevents premature wear and extends the usable lifespan of the drive. In addition, robust error correction codes (ECC) and data path protection mechanisms ensure data integrity, even under continuous operation.

The Dell 345-BKJH 960GB SSD category is engineered to meet strict enterprise standards, ensuring reliable performance across long deployment cycles. These features are critical in environments where data accuracy and availability are non-negotiable.

Small Form Factor for Data Center

Small Form Factor (SFF) enterprise SSDs are designed to maximize storage density within server and storage enclosures. The Dell 345-BKJH 960GB SAS SSD adheres to standard SFF dimensions, allowing it to fit seamlessly into modern data center infrastructure. This form factor supports efficient airflow, easier hot-swapping, and optimized rack utilization.

By enabling higher drive counts per chassis, SFF enterprise SSDs help organizations scale storage capacity without increasing physical footprint. This is particularly valuable in colocation facilities and large-scale data centers where space and power efficiency are critical considerations.

Hot-Swap

Enterprise SAS SSDs are designed for hot-swap operation, allowing drives to be replaced or upgraded without powering down the system. This feature minimizes downtime and supports continuous service availability. The Dell 345-BKJH category aligns with enterprise maintenance practices that prioritize rapid serviceability and operational continuity.

Hot-swap support is especially important in RAID configurations and high-availability clusters, where maintaining uptime is essential. This capability ensures that storage maintenance does not disrupt business operations.

Use Cases

Read-intensive SAS SSDs are widely used across a range of enterprise applications. Their high throughput and low latency make them ideal for systems that frequently access large datasets. The Dell 345-BKJH 960GB SAS SSD category addresses the needs of organizations seeking dependable read performance in mission-critical environments.

RAID and Storage Controller

Enterprise SAS SSDs are commonly deployed in RAID configurations to enhance performance, redundancy, or both. The Dell 345-BKJH category supports integration with enterprise RAID controllers, enabling advanced features such as hot spares, rebuild operations, and monitoring.

RAID compatibility ensures that organizations can design storage architectures that meet their specific performance and availability requirements while leveraging the strengths of SAS SSD technology.

Future-Proofing Enterprise Storage

As data volumes continue to grow, enterprise storage solutions must support future expansion and evolving workloads. SAS 24Gbps SSDs provide a robust foundation for next-generation data center architectures. Their performance headroom and enterprise features help ensure long-term relevance.

The Dell 345-BKJH 960GB SAS SSD category supports organizations planning for sustained growth, modernization, and increased data-driven operations.