XP99D Dell 2TB 7.2K RPM SAS 12GBITS 128MB 512N LFF Server Hard Drive

Overview of Dell XP99D 2TB SAS 12Gbps 7.2K RPM HDD

Built for dependable enterprise storage environments, the Dell XP99D 2TB SAS hard drive delivers stable performance, efficient data handling, and seamless integration into server infrastructures. Designed for nearline workloads, it provides a balanced combination of speed, reliability, and scalability for business-critical applications.

Product Overview

• Brand: Dell
• Part Number: XP99D
• Drive Type: Hard Disk

Technical Characteristics

• Interface: SAS 12 Gbps
• Data Transfer Speed: 1.2 Gbps
• Buffer Size: 128 MB
• Advanced Format: 512n
• Spindle Speed: 7200 RPM
• External Drive Transfer Rate: 1.2 Gbps

Storage Configuration & Design

• 2TB storage capacity suitable for business workloads
• Large Form Factor (3.5-inch) for server integration
• Advanced Format 512n structure for optimized data organization

Interface & Data Handling

• SAS 12Gbps interface for high-speed and reliable communication
• Single Serial Attached SCSI connection for stable performance
• Designed for nearline enterprise storage environments

Performance Capabilities

• 7200 RPM spindle speed for balanced efficiency and performance
• External transfer rate up to 1.2 Gbps
• 128MB cache buffer enhances data processing responsiveness

Expansion & Connectivity

• Hot-swap support for uninterrupted maintenance and upgrades
• Compatible with 3.5-inch LFF hot-plug server bays
• Single SAS 12Gbps interface for seamless integration

Key Advantages

• Reliable nearline storage for enterprise workloads
• Efficient SAS interface for stable data transfer
• Hot-plug capability reduces system downtime
• Scalable design for expanding IT infrastructure needs

Server Compatibility

• Supports Dell PowerEdge systems including C5220, C6100, C6145, and C6220
• Compatible with R-series servers such as R210 II, R310, R410, R520, R720, and R720xd
• Works with tower models including T110 II, T310, T420, T610, T620, and T630
• Integrates with VRTX and PowerEdge rack/tower hybrid systems
• Compatible with storage systems like PowerVault MD3000, MD3200, MD3200i, NX3000, and DR4100

Details of Dell XP99D 2TB 7.2K RPM SAS 12Gbit HDD

The Dell XP99D 2TB enterprise hard drive is a robust storage solution engineered for server environments that require reliability, scalability, and consistent performance. Designed in a Large Form Factor (LFF) 3.5-inch configuration, this SAS-based hard drive integrates seamlessly into enterprise-grade infrastructure such as Dell PowerEdge servers and storage arrays. With a 7,200 RPM spindle speed, SAS 12Gbit interface, 128MB cache buffer, and 512N native sector format, it delivers a balanced combination of capacity and performance tailored for business-critical workloads.

Storage Capacity

The 2TB storage capacity of the Dell XP99D hard drive is optimized for enterprise environments that require dependable yet cost-efficient data storage. It provides sufficient space for operating systems, application data, file sharing, backups, and structured databases, making it suitable for a wide range of server workloads.

In enterprise infrastructures, this capacity is often used in RAID configurations or storage arrays to scale storage while maintaining redundancy. It allows organizations to efficiently manage data growth without relying solely on high-capacity drives, offering a flexible balance between performance and cost.

Performance 

Operating at 7,200 revolutions per minute, this hard drive delivers stable and predictable performance for nearline and general-purpose server applications. While not designed for ultra-high-speed transactional workloads, it excels in sequential data access, file storage, and backup operations.

The consistent rotational speed ensures smooth data retrieval and writing, making it suitable for environments where reliability and steady throughput are more important than extreme latency reduction. This makes it ideal for enterprise file servers and storage systems supporting multi-user access.

SAS 12Gbit Interface 

The SAS 12Gbit interface provides high-performance connectivity designed specifically for enterprise storage systems. It offers significantly higher bandwidth compared to traditional SATA interfaces, ensuring faster data transfer rates and improved system responsiveness.

SAS technology also supports dual-port functionality, enabling redundancy and failover capabilities that are essential in mission-critical environments. This ensures continuous data availability even in the event of a path failure, making it highly reliable for server deployments.

128MB Cache Buffer 

The 128MB cache buffer improves overall drive performance by temporarily storing frequently accessed data, reducing latency during read and write operations. This helps optimize data flow between the drive and the server system.

The cache plays a crucial role in improving multitasking efficiency, particularly in workloads involving repeated data access or sequential file transfers. It reduces mechanical disk operations, thereby improving overall responsiveness and reducing wear on drive components.

Sector Format

The 512N (512-byte native) sector format ensures compatibility with legacy systems and enterprise applications that rely on traditional sector structures. Unlike advanced emulation formats, 512N maintains direct sector mapping for improved compatibility and predictable performance.

This format is widely used in enterprise environments where system consistency and compatibility are critical. It ensures smooth integration into existing server infrastructures without requiring software or hardware modifications.

Large Form Factor (LFF) Design 

The 3.5-inch Large Form Factor design allows this hard drive to deliver higher storage density while maintaining compatibility with standard server drive bays. LFF drives are commonly used in enterprise storage systems due to their ability to balance capacity and performance efficiently.

This form factor supports easier installation and better thermal management, making it suitable for high-density server environments such as data centers and enterprise storage arrays.

Reliability and Durability

The Dell XP99D hard drive is built for continuous 24/7 operation in demanding enterprise environments. Its robust construction ensures resistance to vibration, temperature fluctuations, and mechanical stress commonly found in server racks.

This durability ensures consistent performance over long operational periods, making it suitable for mission-critical applications where system uptime and data integrity are essential.

Hot-Plug Capability 

In supported server environments, the drive offers hot-plug functionality, allowing administrators to replace or install drives without shutting down the system. This ensures continuous availability of services and minimizes operational downtime.

Hot-plug support is essential in enterprise environments where system uptime directly impacts productivity and business continuity.