04N6CY Dell 4TB Hot-Swap HDD 7.2K RPM 128MB SATA-6GBPS 512E

Overview of Dell 04N6CY 4TB SATA Hard Drive 

The Dell 04N6CY 4TB hot-swap hard drive is engineered for enterprise-grade storage environments that demand reliability, scalability, and consistent performance. Built in a standard 3.5-inch large form factor, this storage device is optimized for rack-mounted servers and data-intensive applications where capacity and durability are critical.

General Information

• Manufacturer : Dell
• Manufacturer Part Number: 04N6CY

Technical Specifications 

• Storage Capacity: 4 Terabytes
• Interface Standard: SATA 6Gbps (SATA III)
• Cache Buffer Memory: 128MB high-speed cache
• Sector Format: 512e advanced format support

Physical and Interface Configuration

• Drive Size: 3.5-inch enterprise HDD
• Interface Type: Serial ATA 6Gbps for high-speed connectivity
• Designed for hot-plug server bays

Rotational Speed and Data Transfer Capability

• Spindle Speed: 7200 RPM optimized for balanced performance
• External Transfer Rate: Up to 600 MB/s throughput
• Enhanced caching via 128MB buffer for faster data access

Compatibility with Dell PowerEdge and Storage Systems

Supported Dell PowerEdge Servers

• Dell PowerEdge R210
• Dell PowerEdge R310
• Dell PowerEdge R320
• Dell PowerEdge R410
• Dell PowerEdge R415
• Dell PowerEdge R420
• Dell PowerEdge R510
• Dell PowerEdge R515
• Dell PowerEdge R520
• Dell PowerEdge R710
• Dell PowerEdge R720
• Dell PowerEdge R720xd
• Dell PowerEdge T310
• Dell PowerEdge T320
• Dell PowerEdge T410
• Dell PowerEdge T420
• Dell PowerEdge T610
• Dell PowerEdge T620
• Dell PowerEdge T710

Storage Expansion Systems

• Dell PowerVault MD1200 storage enclosure

Use Cases and Deployment Scenarios

• Data center bulk storage and archival systems
• Virtualization and cloud hosting environments
• Backup and disaster recovery solutions
• Database storage and enterprise application hosting

Dell 04N6CY 4TB Hot Swap Hard Drive 

The Dell 04N6CY 4TB Hot Swap Hard Drive is designed for enterprise storage environments that demand stable performance continuous availability and strong data integrity. It is built to support server systems that require consistent uptime and flexible maintenance without shutting down operations. This storage device provides a balance between capacity speed and reliability making it suitable for business critical workloads and large scale data handling tasks.

Core Hardware Architecture and Engineering Design

Enterprise Grade Mechanical Structure

The hard drive is built with a durable internal mechanical system that supports long term operation under heavy workloads. The spindle motor is optimized for steady rotation stability which reduces vibration and improves data access consistency. The physical construction is reinforced to handle frequent read and write cycles in demanding environments.

Rotational Speed Efficiency

The drive operates at 7200 RPM which delivers a balanced performance profile suitable for storage servers. This rotational speed allows faster data positioning compared to lower speed drives while maintaining lower heat output compared to high performance enterprise drives. It ensures predictable throughput in mixed workload environments.

Cache Memory Optimization

The drive includes a 128MB cache buffer that enhances data transfer efficiency. This cache acts as a temporary storage area for frequently accessed data which reduces latency and improves overall system responsiveness. It is particularly effective in environments with repetitive read operations and structured data access patterns.

Storage Capacity and Data Handling Capability

Four Terabyte Storage Space

The drive provides four terabytes of storage capacity which supports large datasets backup repositories and application hosting. This capacity level is ideal for virtualization environments database storage and enterprise file systems where large volume data retention is required.

Scalable Data Management

The storage structure supports scalable deployment in multi drive arrays. It can be integrated into RAID configurations to expand capacity further and improve redundancy. This makes it suitable for growing enterprise infrastructures that require flexible storage expansion.

Workload Distribution Efficiency

The drive is engineered to distribute read and write workloads evenly across its platters. This improves lifespan and reduces performance degradation over time. It is suitable for continuous operation in environments with fluctuating data demands.

Interface and Connectivity Features

SATA Six Gigabit Per Second Interface

The drive uses a SATA 6GBPS interface which enables fast data transfer between the storage device and server systems. This interface ensures compatibility with a wide range of enterprise servers and storage controllers. It provides stable bandwidth for consistent data throughput.

512e Advanced Format Technology

The 512e sector format improves compatibility with modern operating systems and storage systems. It enhances error correction efficiency and optimizes storage alignment for better performance. This format also supports legacy compatibility while maintaining modern storage efficiency.

Server Integration Flexibility

The drive is designed to integrate seamlessly into Dell server ecosystems and other compatible enterprise platforms. It supports plug and play installation in hot swap bays which reduces maintenance downtime and simplifies hardware replacement processes.

Hot Swap Functionality 

Continuous Operation Support

The hot swap capability allows the drive to be replaced or installed without shutting down the system. This is essential for enterprise environments where downtime can result in operational losses. It ensures uninterrupted service availability during maintenance operations.

Efficient System Maintenance

Maintenance teams can replace failed or aging drives quickly without interrupting server activity. This reduces operational complexity and improves system reliability. It also minimizes the risk of data interruption during hardware servicing.

Improved Infrastructure Uptime

By supporting live replacement the drive contributes to higher system uptime. This is especially important in data centers cloud environments and mission critical applications where continuous availability is required.

Performance Characteristics 

Balanced Input and Output Performance

The drive provides balanced input and output performance suitable for mixed workloads. It handles sequential and random data access efficiently which makes it ideal for database systems file servers and virtualization platforms.

Read and Write Stability

The mechanical design and cache system ensure stable read and write operations. This reduces performance fluctuations under heavy workloads and improves system predictability. It is particularly useful in environments with consistent data processing requirements.

Thermal and Energy Efficiency

The drive is engineered to maintain controlled temperature levels during operation. Its power consumption is optimized for enterprise systems which helps reduce overall energy usage in large scale deployments. Efficient thermal management extends hardware lifespan.

Compatibility with Enterprise Server Systems

Dell Server Ecosystem Integration

The drive is fully compatible with Dell server architectures that support hot swap SATA storage devices. It fits into standard drive bays and works with existing storage controllers without additional configuration complexity.

Multi Platform Support

Beyond Dell systems the drive can operate in other enterprise server environments that support SATA interfaces. This flexibility makes it a versatile storage solution for mixed infrastructure setups.

Virtualization Environment Support

The drive performs efficiently in virtualized systems where multiple virtual machines share storage resources. It ensures consistent performance across concurrent workloads.

Operational Efficiency and Lifecycle Value

Reduced Maintenance Overhead

Hot swap functionality and stable hardware design reduce maintenance complexity. This lowers operational costs in enterprise environments.

Consistent Performance Over Time

The drive maintains stable performance throughout its operational life. This ensures predictable system behavior which is essential for enterprise planning.

Data Transfer and Throughput Optimization

Sequential Data Processing

The drive performs efficiently in sequential data transfer tasks such as backups and media storage operations. It ensures smooth data flow without bottlenecks.

Random Access Handling

Random data access performance is optimized through cache usage and mechanical responsiveness. This supports database systems and transactional workloads.

Bandwidth Utilization Efficiency

The SATA 6GBPS interface ensures efficient use of available bandwidth which reduces data transfer delays and improves system responsiveness.