345-BKTB Dell 15.36TB SAS-24GBPS RI SFF Hot-Plug SSD

Dell 345-BKTB 15.36TB SAS 24GBPS SSD

The Dell 345-BKTB 15.36TB SAS-24Gbps Read-Intensive 1DWPD 2.5-Inch Hot-Plug SSD is engineered for enterprise-grade storage environments, offering high-capacity performance, reliability, and seamless integration with Dell PowerEdge servers.

Main Specifications

• Brand: Dell
• Model Number: 345-BKTB
• Category: Solid State Drive – Hot-swap

Technical Specifications

Storage Capacity & Memory

• Capacity: 15.36TB
• NAND Flash Type: BiCS Flash™ TLC
• Form Factor: 2.5-inch, 15mm thickness

Interface & Speed

• Interface Standard: SAS-4 / SAS 24Gb/s
• Supported Speeds: 22.5 Gbit/s, 12.0 Gbit/s, 6.0 Gbit/s, 3.0 Gbit/s, 1.5 Gbit/s
• Hot-Plug Compatibility

Endurance & Features

• Read-Intensive Endurance Profile
• Data Loss Protection: Enabled
• DWPD: 1 Drive Write Per Day
• MTBF: 2,500,000 Hours

Performance Metrics

Sequential Performance

• 128 KiB Sequential Read: 4200 MB/s
• 128 KiB Sequential Write: 4100 MB/s

Random Performance

• 4 KiB Random Read: 720K IOPS
• 4 KiB Random Write: 160K IOPS

Expansion & Connectivity

• Interface: 1 x SAS 24Gb/s
• Compatible Bays: 1 x Hot-swap – 2.5-inch

Server Compatibility

PowerEdge C-Series

• C6420
• C6520
• C6525
• C6620

PowerEdge HS-Series

• HS5610
• HS5620

PowerEdge R-Series

• R350, R440, R450, R550
• R640, R650, R650xs, R6515, R6525
• R660, R660xs, R6615, R6625
• R740, R740xd, R750, R750xa, R750xs
• R7515, R7525, R760, R760xa, R760xs
• R7615, R7625, R840, R860
• R940, R940xa, R960

PowerEdge T-Series

• T550
• T560

PowerEdge XE & XR-Series

• Xe9680
• Xr7620

Powervault Storage

• MD2424

Enterprise-Class Read Intensive SSD Category Overview

The Dell 345-BKTB 15.36TB SAS 24Gbps Read Intensive Enterprise Solid State Drive belongs to a specialized category of high-capacity, high-throughput storage solutions designed for mission-critical server and data center environments. This category focuses on read-intensive workloads where consistent performance, low latency, and enterprise-grade reliability are essential. Solid state drives in this class are engineered to replace or significantly outperform traditional spinning hard disk drives, offering dramatic improvements in application responsiveness, data access speeds, and overall system efficiency.

Within modern IT infrastructures, read-intensive enterprise SSDs play a foundational role in accelerating databases, analytics platforms, virtualization stacks, and content delivery systems. The Dell 345-BKTB SSD exemplifies this category by combining extremely high storage density with advanced SAS interface technology, ensuring compatibility with enterprise servers while delivering predictable performance under sustained workloads. This category is particularly relevant for organizations seeking scalable storage that aligns with demanding service-level agreements and continuous uptime requirements.

High-Capacity 15.36TB Storage Density

One of the defining characteristics of this category is ultra-high storage capacity within a compact 2.5-inch small form factor. The 15.36TB capacity offered by the Dell 345-BKTB SSD allows enterprises to consolidate large volumes of data into fewer physical drives. This consolidation reduces the number of required drive bays, lowers power consumption, and simplifies storage architecture within densely populated server racks.

High-capacity enterprise SSDs such as this are ideal for data-heavy environments including large-scale databases, business intelligence platforms, data warehousing solutions, and archival systems that still require fast read access. By delivering such capacity in a single hot-plug drive, this category supports efficient scaling strategies while maintaining optimal airflow and thermal management inside enterprise servers.

Optimized for Read-Intensive Applications

The read-intensive classification defines drives that are engineered to handle workloads where data is read far more frequently than it is written. In this category, endurance ratings such as 1 Drive Write Per Day are carefully balanced to support long operational lifecycles without unnecessary cost overhead. The Dell 345-BKTB SSD fits squarely into this design philosophy, providing sufficient write endurance while prioritizing fast and consistent read performance.

Read-intensive enterprise SSDs are commonly deployed in environments running search engines, virtual desktop infrastructures, media streaming services, and web hosting platforms. These applications benefit from rapid data retrieval and low access latency, which directly enhance user experience and application throughput.

SAS 24Gbps Interface and Enterprise Connectivity

This category is distinguished by its use of the Serial Attached SCSI interface, specifically the advanced 24Gbps SAS standard. SAS remains a preferred interface in enterprise data centers due to its robustness, dual-port capability, and superior error handling compared to consumer-grade interfaces. The Dell 345-BKTB SSD leverages SAS 24Gbps connectivity to ensure high bandwidth and reliable data transfer between the drive and the host system.

The increased throughput of the 24Gbps SAS interface enables faster access to large datasets and supports multi-threaded workloads without bottlenecks. This is especially important in shared storage environments where multiple applications or virtual machines may be accessing the same drive simultaneously. Drives in this category are engineered to maintain consistent performance even under heavy queue depths.

Dual-Port Architecture for High Availability

Enterprise SAS SSDs typically incorporate dual-port functionality, allowing two independent data paths between the drive and the controller. This feature is a critical element of the category, as it supports high availability and fault-tolerant system designs. In the event of a path failure, data access can continue seamlessly through the alternate port.

The Dell 345-BKTB SSD, as part of this enterprise category, integrates seamlessly into redundant storage architectures used in clustered servers and high-availability configurations. This capability is essential for businesses that require uninterrupted access to data and cannot afford downtime due to hardware failures.

TLC NAND Technology and Enterprise Optimization

Triple-Level Cell NAND flash memory is a core component of this category, offering an effective balance between storage density, performance, and cost efficiency. In enterprise-class implementations, TLC NAND is paired with advanced controllers, firmware optimization, and over-provisioning techniques to ensure reliability and consistent performance over time.

The Dell 345-BKTB SSD demonstrates how enterprise-grade TLC NAND can be optimized for demanding workloads. Sophisticated wear-leveling algorithms, error correction mechanisms, and background maintenance processes ensure data integrity and extend the usable lifespan of the drive. This makes TLC-based enterprise SSDs a practical and scalable choice for large deployments.

1DWPD Endurance Rating and Lifecycle Expectations

An endurance rating of 1 Drive Write Per Day reflects the drive’s ability to handle a full overwrite of its capacity daily throughout its warranty period. Within this category, such endurance levels are well-suited for read-focused workloads where write activity is moderate and predictable. This balance allows organizations to invest in high-capacity storage without paying a premium for unnecessary write endurance.

Enterprise read-intensive SSDs with 1DWPD ratings are commonly used in environments where data ingestion is periodic, but data access is continuous. Examples include reporting databases, historical data analysis platforms, and content repositories. The Dell 345-BKTB SSD aligns with these use cases by delivering dependable endurance while maximizing read efficiency.

2.5-Inch Small Form Factor and Hot-Plug Design

The 2.5-inch small form factor is a standard within this category, enabling high-density storage configurations in modern rack-mounted servers. This form factor supports efficient airflow, simplified cabling, and compatibility with a wide range of enterprise server chassis. The Dell 345-BKTB SSD fits seamlessly into existing infrastructures without requiring specialized enclosures.

Hot-plug capability is another defining feature of enterprise SSDs in this class. It allows drives to be installed, removed, or replaced without shutting down the system. This functionality is crucial for maintaining uptime in production environments and supports proactive maintenance strategies that minimize operational disruption.

Serviceability and Data Center Efficiency

Hot-plug enterprise SSDs contribute to overall data center efficiency by reducing maintenance windows and enabling rapid hardware upgrades. Technicians can replace or add drives while systems remain online, ensuring continuous service availability. This capability aligns with modern data center operational models that prioritize agility and resilience.

The Dell 345-BKTB SSD exemplifies this category focus by offering seamless hot-swap support in Dell enterprise servers, making it easier to manage large-scale storage deployments while adhering to strict uptime requirements.

Key Consistency and Low Latency Characteristics

Consistency is a critical performance metric within this category. Unlike consumer SSDs that may exhibit performance fluctuations under sustained load, enterprise read-intensive SSDs are engineered to deliver predictable throughput and latency. This reliability is essential for applications that depend on steady data access patterns.

The Dell 345-BKTB SSD is designed to maintain low latency even during peak usage periods. Advanced controller designs and firmware tuning ensure that read operations remain fast and responsive, supporting demanding enterprise applications that require immediate access to large datasets.

Workload Stability in Virtualized Environments

Virtualization platforms place unique demands on storage subsystems, as multiple virtual machines generate concurrent I/O requests. Enterprise SSDs in this category are optimized to handle such workloads without performance degradation. Stable read performance ensures that virtual machines remain responsive and that resource contention is minimized.

By leveraging high-speed SAS connectivity and enterprise-grade NAND management, the Dell 345-BKTB SSD supports dense virtualization environments, making it a valuable component in private cloud and hybrid infrastructure deployments.

Compatibility with Dell Enterprise Server Ecosystems

This category is tightly aligned with vendor-certified server platforms to ensure seamless integration and optimal performance. The Dell 345-BKTB SSD is validated for use in Dell enterprise servers, ensuring compatibility with system firmware, RAID controllers, and management tools.

Certified compatibility reduces deployment risk and simplifies system configuration, allowing IT teams to confidently integrate high-capacity SSDs into existing infrastructures. This alignment with Dell’s server ecosystem enhances overall system stability and performance consistency.

RAID Support and Enterprise Storage Configurations

Enterprise SSDs in this category are commonly deployed in RAID configurations to enhance data protection and performance. Support for hardware RAID controllers ensures that these drives can be used in a wide range of redundancy and performance optimization scenarios.

The Dell 345-BKTB SSD supports integration into complex RAID arrays, enabling organizations to design storage solutions that balance capacity, speed, and fault tolerance according to specific workload requirements.

Use Cases Across Modern Data Centers

The enterprise read-intensive SSD category serves a broad range of use cases across modern data centers. High-capacity SAS SSDs are widely used for database acceleration, analytics processing, content delivery networks, and enterprise applications that require fast read access to large datasets.

In addition, these drives are well-suited for software-defined storage platforms and hyper-converged infrastructures, where predictable performance and high availability are essential. The Dell 345-BKTB SSD supports these diverse use cases by combining capacity, speed, and enterprise-grade reliability.