CD4JG Dell 15.36TB SAS 24GBPS Read Intensive Solid State Drive.

Dell CD4JG 15.36TB SAS Enterprise SSD Overview

The Dell CD4JG solid state drive is designed for data-center workloads that demand dependable read-focused performance, consistent latency, and enterprise-grade reliability. Built for Dell EMC PowerEdge platforms, this high-capacity SSD supports modern server environments where speed, endurance, and scalability are essential.

Core Product Details

• Brand: Dell
• Model / SKU: CD4JG
• Storage Device Category: Enterprise Solid State Drive
• Optimized Usage: Read-intensive applications
• Target Systems: Dell EMC PowerEdge servers (14G, 15G, 16G)

Storage Architecture & Media Technology

This drive uses advanced BICS Flash™ TLC NAND technology, balancing high storage density with stable performance for enterprise workloads. The read-intensive endurance profile makes it suitable for analytics, virtualization, content delivery, and large-scale databases.

• Usable Capacity: 15.36TB
• NAND Type: TLC (Triple-Level Cell)
• Endurance Rating: 1 DWPD
• Mean Time Between Failures: 2.5 million hours

Form Factor & Physical Design

Designed in a compact small form factor, the Dell CD4JG integrates seamlessly into modern rack and tower servers while supporting hot-swap functionality for uninterrupted operations.

• Drive Size: 2.5-inch SFF
• Thickness: 15mm
• Installation Type: Hot-swappable
• Supported Bay: 2.5-inch hot-swap bay

Interface & Transfer Capabilities

Leveraging next-generation SAS-4 technology, this enterprise SSD delivers high throughput and backward compatibility across multiple SAS speeds, ensuring flexible deployment in mixed infrastructures.

• Interface: SAS-4
• Maximum Bandwidth: Up to 24Gb/s
• Negotiated Speeds Supported:
  • 22.5 Gbit/s
  • 12.0 Gbit/s
  • 6.0 Gbit/s
  • 3.0 Gbit/s
  • 1.5 Gbit/s

Performance Metrics

Engineered for consistent throughput, the Dell CD4JG SSD provides strong sequential and random read performance, supporting demanding enterprise applications with predictable results.

Sequential Performance

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

Random I/O Performance

• 4KiB Random Read: Up to 720,000 IOPS
• 4KiB Random Write: Up to 160,000 IOPS

Data Integrity & Reliability Features

• End-to-end data protection
• Power-loss data protection
• Enterprise-grade firmware validation

Expansion & Connectivity Options

The SSD integrates directly with SAS backplanes, supporting high-speed connectivity without additional adapters.

• Drive Interface Count: 1 × SAS 24Gb/s
• Bay Compatibility: Single 2.5-inch hot-swap slot

Supported Dell PowerEdge & Storage Systems

This model is validated across a wide range of Dell servers and storage platforms, ensuring optimal compatibility and performance.

• PowerEdge Rack Servers:
  • 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 Modular & Specialized Systems:
  • C6420, C6520, C6525, C6620
  • HS5610, HS5620
  • XE9680, XR7620
• Tower Servers:
  • T550, T560
• Storage Array:
  • PowerVault MD2424

Enterprise SAS Solid State Drive Category

Enterprise-class SAS solid state drives represent a critical storage category designed for data centers, cloud platforms, virtualization clusters, and mission-critical business applications. The Dell CD4JG 15.36TB SAS 24GBPS Read Intensive TLC 1DWPD Small Form Factor 2.5 Inch Enterprise Class Solid State Drive is positioned within this category as a high-capacity, performance-optimized solution engineered specifically for Dell EMC PowerEdge 14th, 15th, and 16th generation servers. This category focuses on delivering predictable performance, low latency, and consistent reliability in environments where data access speed and uptime are essential to operational success.

SAS SSDs in this category are architected to bridge the gap between legacy spinning hard drives and modern NVMe storage by providing enterprise-grade endurance, dual-port connectivity, and compatibility with established server infrastructures. The Dell CD4JG model exemplifies how large-capacity SAS drives can support data-intensive workloads such as analytics, virtualization, transactional databases, and content delivery systems while maintaining compatibility with existing backplanes and controllers.

High-Capacity 15.36TB Storage Architecture

The 15.36TB capacity of the Dell CD4JG solid state drive places it among the highest-density SAS SSDs available for enterprise servers. This capacity enables organizations to consolidate storage, reduce the number of physical drives required per server, and optimize rack space utilization within the data center. By supporting large datasets on a single drive, this category simplifies storage management and enhances scalability for growing workloads.

High-capacity SAS SSDs are particularly valuable in environments that require extensive data retention, such as enterprise databases, log aggregation platforms, and data warehousing solutions. The Dell CD4JG drive allows IT administrators to deploy fewer drives while still meeting storage capacity requirements, which can result in reduced power consumption, lower cooling demands, and simplified cabling within server enclosures.

Data Density and Consolidation Benefits

Data density is a defining characteristic of this category. The ability to store over fifteen terabytes in a single 2.5 inch form factor drive enables higher storage density per server node. This density supports consolidation strategies where multiple legacy drives can be replaced with fewer high-capacity SSDs, improving overall system efficiency and reducing points of failure.

For enterprises managing large-scale virtual environments, high-capacity SAS SSDs like the Dell CD4JG provide ample space for multiple virtual machines, snapshots, and backup images. This approach enhances operational flexibility while maintaining consistent performance across diverse workloads.

SAS 24Gbps Interface Performance Characteristics

The Serial Attached SCSI 24Gbps interface defines the performance backbone of this enterprise SSD category. The Dell CD4JG leverages the latest generation SAS interface to deliver significantly higher throughput compared to previous 12Gbps SAS implementations. This increased bandwidth allows for faster data transfers, improved I/O performance, and better support for concurrent workloads in multi-user environments.

SAS 24Gbps connectivity ensures that the drive can sustain high read speeds and low latency under heavy load conditions. This is particularly beneficial for read-intensive applications where rapid access to large volumes of data is critical to application responsiveness and user experience.

Dual-Port SAS Reliability and Redundancy

Enterprise SAS SSDs are designed with dual-port connectivity, allowing simultaneous access paths to the drive. The Dell CD4JG supports this feature, enabling high availability configurations where redundant controllers or paths ensure continuous data access even in the event of a component failure. This capability is a cornerstone of enterprise storage reliability and is essential for mission-critical workloads.

Dual-port SAS architecture enhances fault tolerance and supports advanced storage configurations such as multipathing, which improves resilience and performance balancing across the storage infrastructure.

Read Intensive Workload Optimization

The Dell CD4JG solid state drive is classified as read intensive, making it ideally suited for workloads where read operations significantly outnumber write operations. This category of SSDs is engineered to deliver high read throughput and consistent performance while maintaining sufficient endurance for enterprise usage patterns.

Read-intensive SAS SSDs are commonly deployed in applications such as content delivery networks, data analytics platforms, business intelligence systems, and search engines. In these scenarios, large datasets are frequently accessed and analyzed, making read performance a critical factor in overall system efficiency.

Performance Consistency Under Load

Consistency is a defining attribute of enterprise read-intensive SSDs. The Dell CD4JG is designed to maintain stable performance levels even during sustained periods of high read activity. This ensures predictable application behavior and minimizes latency spikes that could impact service quality.

By utilizing advanced controller technology and optimized firmware, this category of SSDs delivers reliable performance that meets the expectations of enterprise IT environments.

TLC NAND Technology in Enterprise Environments

Triple-Level Cell NAND technology is a key component of the Dell CD4JG enterprise SSD. TLC NAND enables higher storage densities by storing more bits per cell, which contributes to the drive’s large capacity. In enterprise-class implementations, TLC NAND is paired with sophisticated wear-leveling algorithms, error correction mechanisms, and over-provisioning to ensure long-term reliability.

This category demonstrates how TLC NAND can be effectively utilized in data center environments when combined with enterprise-grade controllers and firmware. The result is a balance between capacity, cost efficiency, and dependable performance.

Endurance and Data Integrity

The Dell CD4JG offers a 1 Drive Write Per Day endurance rating, which aligns with the requirements of read-intensive enterprise workloads. This endurance level ensures that the drive can handle regular data refresh operations, metadata updates, and occasional write bursts without compromising longevity.

Advanced error correction and data integrity features protect against data corruption, ensuring that stored information remains accurate and accessible throughout the drive’s operational lifespan.

Small Form Factor 2.5 Inch Design Advantages

The 2.5 inch small form factor design of the Dell CD4JG SSD enables compatibility with a wide range of Dell EMC PowerEdge servers. This form factor is optimized for high-density server configurations, allowing multiple drives to be installed within a single chassis without sacrificing airflow or thermal efficiency.

Small form factor enterprise SSDs contribute to flexible server configurations, supporting both performance-oriented and capacity-focused deployments. The compact design also simplifies maintenance and replacement procedures in data center environments.

Thermal Efficiency and Power Optimization

Thermal management is a critical consideration in enterprise storage design. The Dell CD4JG SSD is engineered to operate efficiently within the thermal constraints of dense server environments. Efficient power usage reduces heat generation, which in turn supports stable performance and prolongs component lifespan.

Lower power consumption per terabyte is a significant advantage of high-capacity SAS SSDs, enabling data centers to optimize energy usage while maintaining high storage performance.

Compatibility with Dell EMC PowerEdge Servers

This category of enterprise SSDs is specifically designed for seamless integration with Dell EMC PowerEdge 14th, 15th, and 16th generation servers. The Dell CD4JG is validated and tested to ensure full compatibility with Dell server firmware, RAID controllers, and management tools.

Compatibility with multiple PowerEdge generations provides organizations with flexibility when upgrading or expanding their server infrastructure. This ensures that storage investments remain valuable across multiple hardware refresh cycles.

Integration with Dell RAID and Management Tools

The Dell CD4JG SSD integrates smoothly with Dell PERC RAID controllers, enabling advanced RAID configurations that enhance data protection and performance. Integration with Dell OpenManage tools allows administrators to monitor drive health, performance metrics, and lifecycle status from a centralized management interface.

This level of integration simplifies storage management and supports proactive maintenance strategies that reduce the risk of unexpected downtime.

Enterprise Reliability and Availability Standards

Enterprise-class SSDs are built to meet stringent reliability and availability requirements. The Dell CD4JG adheres to these standards by incorporating features such as power-loss protection, robust error correction, and extensive validation testing. These attributes ensure that the drive can operate reliably in 24/7 data center environments.

High availability is further supported through SAS dual-port connectivity and compatibility with redundant server architectures. This category of SSDs is designed to minimize the risk of data loss and service interruption.

Power Loss Protection Mechanisms

Power loss protection is a critical feature in enterprise storage. The Dell CD4JG includes mechanisms that safeguard in-flight data during unexpected power interruptions. This ensures that data integrity is maintained and that the drive can resume normal operation without data corruption once power is restored.

Such features are essential for maintaining trust in enterprise storage systems, particularly in environments handling sensitive or mission-critical data.

Use Cases Across Enterprise Workloads

The Dell CD4JG SAS SSD category supports a wide range of enterprise use cases. In virtualization environments, the high capacity and consistent read performance enable efficient hosting of multiple virtual machines and virtual desktops. In database applications, fast read access accelerates query execution and reporting tasks.

Analytics platforms benefit from the ability to store and process large datasets on a single drive, reducing data movement and improving processing efficiency. Content repositories and media streaming platforms leverage the drive’s read-intensive optimization to deliver content quickly and reliably.

Scalability for Growing Data Demands

As data volumes continue to grow, scalable storage solutions become increasingly important. High-capacity SAS SSDs like the Dell CD4JG allow organizations to scale storage within existing server footprints. This scalability supports long-term growth without requiring frequent hardware expansions.

The ability to add or replace drives with minimal disruption enhances operational agility and supports evolving business requirements.

Data Center Efficiency and Total Cost of Ownership

Enterprise SSD categories are evaluated not only on performance but also on their impact on total cost of ownership. The Dell CD4JG contributes to cost efficiency through high capacity per drive, reduced power consumption, and simplified management. By consolidating storage and reducing the number of required drives, organizations can lower hardware, power, and cooling costs.

Long service life and predictable performance further contribute to a favorable cost profile, making this category an attractive option for enterprise storage deployments.

Long-Term Investment Protection

Compatibility with multiple server generations and adherence to enterprise standards ensure that investments in this SSD category remain viable over time. The Dell CD4JG is designed to support long-term deployment strategies, providing consistent value throughout its lifecycle.

This investment protection is a key consideration for enterprises planning multi-year infrastructure roadmaps.

Security and Data Protection Capabilities

Data security is a critical concern in enterprise environments. While performance and capacity are primary attributes, this category of SSDs also emphasizes data protection features that safeguard sensitive information. The Dell CD4JG benefits from enterprise firmware designed to prevent unauthorized access and ensure secure data handling.

Integration with server-level security features further enhances protection, allowing organizations to implement comprehensive security policies across their infrastructure.

Firmware Stability and Validation

Enterprise SSD firmware undergoes extensive validation to ensure stability and compatibility. The Dell CD4JG is tested under a wide range of operating conditions to verify reliable behavior in real-world data center environments. This rigorous validation process reduces the risk of firmware-related issues and enhances overall system reliability.

Stable firmware contributes to predictable performance and simplifies long-term maintenance and support.

Role in Modern Enterprise Storage Architectures

Within modern enterprise storage architectures, SAS SSDs like the Dell CD4JG play a vital role in balancing performance, capacity, and compatibility. They serve as a dependable storage tier for applications that require high read performance without the need for ultra-low latency NVMe solutions.

This category complements other storage technologies by providing a reliable, scalable option that integrates seamlessly with existing enterprise infrastructures.

Supporting Hybrid and Tiered Storage Models

Hybrid and tiered storage models rely on different storage technologies to optimize cost and performance. High-capacity read-intensive SAS SSDs are often used as a performance tier for frequently accessed data, while slower storage media handle archival workloads. The Dell CD4JG fits naturally into these architectures, delivering fast access to critical data sets.

By supporting tiered storage strategies, this category helps organizations maximize resource utilization and improve overall storage efficiency.