342-5521 Dell 1.2TB 10K RPM SAS-6GBPS HDD with Tray and 64mb Buffer

Dell 342-5521 1.2TB 10K RPM SAS 6Gbps Hard Disk Drive

The Dell 342-5521 1.2TB SAS hard drive is a high-performance enterprise storage solution engineered for Dell PowerEdge servers and PowerVault storage systems. Designed to deliver dependable data access, enhanced reliability, and fast throughput, this 10K RPM hard disk drive provides an excellent balance of capacity and performance for business-critical applications, virtualization environments, databases, and data-intensive workloads.

General Information

• Manufacturer: Dell
• Part Number: 342-5521
• Product ID: 474300

Technical Specification

• Storage Capacity: 1.2TB
• Drive Type: Internal Hard Disk Drive
• Interface: Serial Attached SCSI (SAS 2)
• Interface Speed: 6Gb/s
• Rotational Speed: 10,000 RPM
• Form Factor: 2.5-Inch Small Form Factor (SFF)
• Buffer Cache: 64MB
• Average Seek Time: 4.5ms
• Hot Swap Support: Yes
• Hot-Plug Tray: Included
• Warranty: Pre-Failure Warranty Included

Compatibility with Dell PowerEdge Servers

The Dell 342-5521 1.2TB SAS hard drive is compatible with a wide range of Dell PowerEdge tower, rack, blade, and modular servers.

Dell PowerEdge T-Series Compatibility

• PowerEdge T20
• PowerEdge T110 Gen II
• PowerEdge T310
• PowerEdge T320
• PowerEdge T330
• PowerEdge T410
• PowerEdge T420
• PowerEdge T430
• PowerEdge T440
• PowerEdge T610
• PowerEdge T620
• PowerEdge T630
• PowerEdge T640
• PowerEdge T710

Dell PowerEdge R-Series Compatibility

• PowerEdge R210 Gen I
• PowerEdge R210 Gen II
• PowerEdge R220
• PowerEdge R230
• PowerEdge R310
• PowerEdge R320
• PowerEdge R330
• PowerEdge R410
• PowerEdge R415
• PowerEdge R420
• PowerEdge R430
• PowerEdge R510
• PowerEdge R515
• PowerEdge R530XD
• PowerEdge R610
• PowerEdge R620
• PowerEdge R630
• PowerEdge R710
• PowerEdge R715
• PowerEdge R720
• PowerEdge R720XD
• PowerEdge R730
• PowerEdge R730XD
• PowerEdge R805
• PowerEdge R810
• PowerEdge R815
• PowerEdge R820
• PowerEdge R830
• PowerEdge R900
• PowerEdge R905
• PowerEdge R910
• PowerEdge R920
• PowerEdge R930

Dell PowerEdge C-Series Compatibility

• PowerEdge C1100
• PowerEdge C2100
• PowerEdge C6100
• PowerEdge C6220

Dell PowerEdge M-Series Compatibility

• PowerEdge M420
• PowerEdge M510
• PowerEdge M520
• PowerEdge M600
• PowerEdge M605
• PowerEdge M610
• PowerEdge M610x
• PowerEdge M620
• PowerEdge M630
• PowerEdge M710
• PowerEdge M710XD
• PowerEdge M805
• PowerEdge M820
• PowerEdge M830
• PowerEdge M905
• PowerEdge M910
• PowerEdge M915

Compatible Dell PowerVault Storage

This enterprise SAS hard drive is also certified for numerous Dell PowerVault storage arrays, providing flexibility for storage expansion and infrastructure upgrades.

Supported PowerVault Models

• PowerVault M1000e
• PowerVault MD1120
• PowerVault MD1200
• PowerVault MD1220
• PowerVault MD3200
• PowerVault MD3220
• PowerVault MD3220i
• PowerVault MD3400
• PowerVault MD3420
• PowerVault MD3420i
• PowerVault MD3460
• PowerVault MD3600
• PowerVault MD3620
• PowerVault MD3620i
• PowerVault MD3820i
• PowerVault MD3860i

Dell 342-5521 1.2TB 10K RPM SAS-6Gbps HDD Overview

The Dell 342-5521 1.2TB 10K RPM SAS-6Gbps HDD with Tray and 64MB Buffer is designed to meet the demanding storage requirements of enterprise data centers, business-critical applications, and Dell PowerEdge server environments. Featuring a high-performance Serial Attached SCSI interface, this hard drive delivers dependable throughput, exceptional reliability, and consistent performance for organizations that require uninterrupted access to important business data. Built for professional server deployments, the Dell 342-5521 combines a substantial 1.2TB storage capacity with a fast 10,000 RPM spindle speed, allowing businesses to store large amounts of information while maintaining responsive data access. The included tray simplifies installation into compatible Dell server systems, reducing deployment time and improving serviceability.

Enterprise-Class Storage Architecture

Enterprise environments demand storage devices capable of handling continuous workloads, multi-user access, virtualization platforms, and transactional databases. The Dell 342-5521 is engineered specifically for these scenarios, providing enhanced durability and operational consistency compared to standard desktop storage solutions. Organizations relying on mission-critical applications require storage devices that can sustain heavy read and write operations without sacrificing performance. This SAS hard drive is optimized for these demanding conditions, making it suitable for servers operating around the clock.

1.2TB Storage Capacity

The 1.2TB capacity offered by the Dell 342-5521 provides an ideal balance between performance and storage density. Businesses can efficiently store operating systems, application data, databases, virtual machine files, and user-generated content while maintaining strong access speeds. As enterprise data continues to grow, organizations require storage solutions that can scale alongside operational demands. The 1.2TB capacity allows IT administrators to maximize server storage resources without compromising performance characteristics.

6Gbps SAS Interface

The Serial Attached SCSI (SAS 2) interface offers superior reliability, scalability, and performance compared to traditional SATA drives. With a maximum transfer rate of 6Gbps, the Dell 342-5521 enables rapid data movement across enterprise storage infrastructures.

10K RPM Performance

The 10,000 RPM rotational speed enables faster access to stored information compared to lower-speed enterprise drives. Higher spindle speeds reduce latency and improve response times, helping applications retrieve and process data more efficiently. Businesses running databases, ERP platforms, customer relationship management systems, and financial applications benefit significantly from reduced access delays and improved transaction handling capabilities.

Enhanced Application

Applications hosted on enterprise servers often require rapid data retrieval to maintain user productivity. The 10K RPM architecture contributes to smoother application performance by minimizing bottlenecks associated with slower storage subsystems. This performance advantage becomes particularly valuable in environments where multiple users simultaneously access data-intensive applications and services.

64MB Cache Buffer for Faster Data Access

The integrated 64MB cache memory improves overall drive responsiveness by temporarily storing frequently accessed data. This helps reduce wait times and enhances read/write performance during demanding workloads.

Reliable Enterprise Connectivity

The SAS 6Gbps interface provides a dependable communication channel between the storage device and server controller. SAS technology has become a preferred standard in enterprise environments due to its reliability, scalability, and support for advanced storage infrastructures. Unlike consumer-oriented interfaces, SAS is specifically engineered for professional workloads that require continuous operation and robust data integrity.

High-Speed Data Transfer Capability

With support for 6Gbps throughput, the Dell 342-5521 enables rapid movement of information between storage subsystems and server resources. This capability helps reduce delays during backups, migrations, database processing, and virtualization operations. Faster communication between storage devices and system components contributes to overall server efficiency and improved user experiences.

Efficient Data Caching Mechanisms

The integrated 64MB buffer plays a critical role in optimizing storage performance. By temporarily storing frequently accessed information, the cache helps reduce latency and improve overall data retrieval efficiency. This buffering capability allows the drive to respond more effectively to repeated requests, contributing to smoother server performance during demanding workloads.

Intensive Workloads

Enterprise applications frequently generate large volumes of read and write operations. The 64MB cache helps manage these activities by improving data flow and reducing delays associated with storage access. Organizations operating busy application servers, virtualization hosts, and database platforms can benefit from the enhanced responsiveness enabled by the onboard buffer.

Hot-Swap Compatibility

The Dell 342-5521 is supplied with a compatible tray that facilitates installation within supported Dell PowerEdge servers. The tray simplifies deployment procedures and enables efficient drive replacement when required. Many enterprise environments rely on hot-swappable storage components to minimize downtime and maintain service availability. The included tray supports these operational objectives.

Enterprise Serviceability

Efficient maintenance procedures are essential in professional data center operations. The tray-equipped design enhances serviceability by allowing technicians to install, replace, and manage drives efficiently.

Designed for Dell Infrastructure

The Dell 342-5521 is engineered to operate within compatible Dell PowerEdge server environments. This compatibility helps ensure optimal functionality, reliable integration, and consistent performance across enterprise deployments. Using genuine Dell server storage components can improve hardware interoperability and simplify infrastructure management.

Reliability Features

Enterprise storage devices must withstand continuous operation without compromising performance or reliability. The Dell 342-5521 is engineered for round-the-clock use, making it suitable for business environments where downtime is unacceptable. Its enterprise-class construction helps ensure consistent operation under demanding workload conditions.

Data Integrity and Stability

Protecting business information is a critical objective for modern organizations. SAS storage technology incorporates advanced features designed to maintain data accuracy and operational stability throughout the drive's lifecycle. These capabilities help support business continuity initiatives and reduce the risk of storage-related disruptions.

Data Center Infrastructure

Modern data centers require storage devices that balance capacity, reliability, and performance. The Dell 342-5521 fulfills these requirements, making it a valuable component within enterprise storage ecosystems. Its specifications support a wide range of workloads commonly found in professional computing environments.

Business-Critical Databases

Database systems rely heavily on storage performance to deliver responsive user experiences. The combination of 10K RPM performance, SAS connectivity, and enterprise reliability makes this drive suitable for transactional and analytical database applications.

Virtual Machine Storage

Virtualization infrastructures often host numerous virtual machines on shared storage resources. The Dell 342-5521 provides the performance characteristics necessary to support these environments while maintaining consistent responsiveness.

File and Application

Organizations operating centralized file repositories and application servers require dependable storage systems capable of handling simultaneous user requests. The drive's enterprise architecture helps support these operational demands effectively.