D47JY Dell 480GB SATA-6GBPS Read Intensive TLC SFF Hot-Plug Server SSD

Dell D47JY 480GB SATA-6GBPS SSD

The Dell D47JY 480GB Solid State Drive is engineered for Enterprise-Grade reliability, offering exceptional read-intensive endurance and seamless integration with PowerEdge servers. Designed with advanced TLC NAND technology, this SFF hot-plug SSD ensures consistent performance and durability for demanding workloads.

General Information

• Brand Name: Dell
• Part Number: D47JY
• Drive Category: Enterprise Solid State Drive

Technical Specifications

• Storage Capacity: 480GB
• Flash Memory: Triple-Level Cell
• Form Factor: Small Form Factor
• Interface: SATA-6GBPS
• Endurance Rating: 1 DWPD (Drive Writes Per Day)
• Usage Profile: Read-Intensive Applications

Performance

• External Transfer Speed: 600 MB/s
• Sequential Read: Up to 555 MB/s
• Sequential Write: Up to 530 MB/s

Compatibility

This SSD is validated for a wide range of Dell PowerEdge systems, ensuring smooth deployment across multiple server environments.

Supported PowerEdge Models

• C6420, C6520, C6525, C6620
• HS5610, M620
• R340, R440, R450, R550
• R640, R650, R650xs, R6515, R6525
• R660, R6615, R6625
• R740, R740xd, R7425
• R750, R750xa, R750xs, R7515, R7525
• R760, R760xs, R7615, R7625
• R940

Additional Notes

The compatibility list above is not exhaustive. Other PowerEdge and Powervault systems may also support this drive. Please note that tray stickers may not be included with certain shipments.

Dell D47JY 480GB SATA-6GBPS SSD Overview

The category of enterprise-grade SATA solid state drives designed for Dell PowerEdge servers represents a critical foundation of modern data center storage infrastructure. This category focuses on reliability, consistency, and predictable performance for mission-critical workloads where uptime and data integrity are paramount. Products such as the Dell D47JY 480GB SATA-6Gbps Read Intensive 1DWPD TLC SFF Hot-Plug Certified Solid State Drive are engineered specifically to integrate seamlessly with Dell PowerEdge server platforms, ensuring compatibility at the firmware, controller, and thermal levels. Unlike consumer SSDs, this category is optimized for continuous operation, sustained read performance, and compatibility with RAID controllers commonly deployed in enterprise environments. Enterprise SATA SSDs within this category are built to serve read-heavy applications that demand fast access to data while maintaining cost efficiency. The SATA-6Gbps interface continues to be a widely adopted standard in enterprise servers due to its balance between performance, broad compatibility, and lower cost per gigabyte compared to newer interfaces. This category therefore remains highly relevant for organizations running databases, virtualization platforms, content delivery systems, and internal business applications where stable throughput and predictable latency are more important than peak benchmark numbers.

Read Intensive

The Read Intensive classification defines a specialized subcategory of enterprise SSDs that are optimized for workloads dominated by read operations. Within this category, the Dell D47JY 480GB SSD exemplifies how read-focused endurance and performance tuning can deliver substantial operational advantages. Read intensive drives typically offer a write endurance rating of 1 drive write per day, aligning perfectly with environments where data is written once or infrequently and read many times over its service life. Such storage architectures are commonly deployed in scenarios like boot drives for servers, virtual desktop infrastructure images, web hosting platforms, and analytical workloads where datasets are referenced repeatedly.

1DWPD Endurance

The 1DWPD endurance rating within this category signifies that the drive can sustain writing its entire capacity once per day throughout its warranty period without compromising reliability. For a 480GB enterprise SSD, this equates to a substantial total bytes written capacity, suitable for a wide range of enterprise workloads. This endurance profile is carefully matched with read-heavy usage models, ensuring that organizations do not overpay for unnecessary write endurance while still benefiting from enterprise-grade durability. Drives in this category undergo extensive validation for error correction, wear leveling, and data retention, ensuring long-term stability even under continuous operation. Advanced firmware algorithms manage NAND wear distribution and error recovery, providing consistent performance over time and reducing the risk of unexpected failures that could disrupt business operations.

TLC NAND

Triple-Level Cell NAND technology plays a central role in this category by enabling higher storage densities and lower cost per gigabyte compared to older MLC or SLC technologies. While TLC NAND is often associated with consumer devices, enterprise-grade implementations such as those found in Dell certified SSDs are engineered with enhanced controllers, firmware, and error correction to meet the rigorous demands of data center environments. Within this category, TLC NAND is paired with enterprise controllers capable of handling sustained workloads while maintaining data integrity. Sophisticated error correction codes, power-loss protection mechanisms, and thermal management features ensure that the inherent density advantages of TLC NAND do not come at the expense of reliability. This balance allows organizations to deploy large numbers of SSDs across server fleets without compromising on quality or operational confidence.

Data Integrity

Enterprise SSDs in this category incorporate power loss protection features that safeguard in-flight data during unexpected power interruptions. Capacitors within the drive provide enough energy to flush volatile data from cache to non-volatile NAND, preventing corruption and ensuring file system consistency. This capability is essential in server environments where sudden power events can otherwise result in data loss or extended recovery times. Data integrity is further reinforced through end-to-end data protection, including CRC checks and error detection across the data path. These mechanisms ensure that data written to or read from the drive remains accurate, supporting compliance requirements and reducing the likelihood of silent data corruption.

SATA-6GBPS

The SATA-6Gbps interface remains a cornerstone of enterprise storage categories due to its widespread support across server platforms and RAID controllers. The Dell D47JY 480GB SSD category benefits from this interface by delivering consistent read speeds, low latency compared to spinning disks, and seamless integration into existing server architectures. The ability to replace traditional hard drives with SATA SSDs using the same backplanes and cabling reduces deployment complexity and minimizes downtime during upgrades.

Compatibility

Enterprise SATA SSD categories are designed to work optimally with Dell PERC RAID controllers and similar enterprise storage solutions. Certified drives like the Dell D47JY undergo extensive testing to ensure predictable behavior under RAID configurations, including rebuild operations, background consistency checks, and error recovery scenarios. This compatibility is essential for maintaining array stability and performance consistency. Firmware alignment between the SSD and the controller reduces the risk of interoperability issues, ensuring that features such as SMART monitoring, drive health reporting, and predictive failure analysis function as intended.

Small Form Factor

The small form factor design is a defining characteristic of this category, enabling high-density storage configurations within compact server chassis. SFF SSDs allow data centers to maximize storage capacity per rack unit while maintaining optimal airflow and thermal efficiency. This is particularly important in environments where space and power efficiency are critical operational considerations. Hot-plug capability further enhances the category’s suitability for enterprise use by allowing drives to be replaced or added without shutting down the server. This feature supports high availability strategies and reduces maintenance windows, ensuring that critical services remain online even during hardware servicing.

Performance

Performance consistency is a defining attribute of enterprise SSD categories, distinguishing them from consumer-grade alternatives that may exhibit significant variability under sustained workloads. The Dell D47JY 480GB SSD category emphasizes stable read throughput and predictable latency, ensuring that application performance remains consistent even as drive utilization increases. This predictability is essential for applications such as databases and virtualization platforms, where sudden latency spikes can cascade into broader system performance issues.

Thermal

Enterprise SSD categories are engineered to operate reliably within the thermal envelopes of server environments. Effective thermal management ensures that drives can sustain performance without throttling, even under continuous load. This is achieved through efficient controller design, optimized NAND placement, and integration with server airflow patterns. By maintaining stable operating temperatures, these SSDs contribute to overall system reliability and longevity. Thermal stability also supports predictable performance metrics, enabling accurate capacity planning and workload distribution across storage resources.