Dell 400-AJRT

Product Overview

The Dell 400‑AJRT is a high‑performance 2.5‑inch enterprise hard disk drive (HDD) engineered for demanding data center environments. Built on Dell’s proven SAS (Serial Attached SCSI) platform, this drive delivers exceptional reliability, speed, and capacity in a compact form factor suitable for servers, storage arrays, and high‑density configurations.

Key Technical Specifications

• Capacity: 600 GB (0.60 TB)
• Form Factor: 2.5‑inch (6.4 cm)
• Interface: SAS 6 Gb/s (SFF, hot‑swap compatible)
• Rotational Speed: 15,000 RPM
• Cache: 64 MB (dual‑channel)
• Data Transfer Rate: Up to 600 MB/s sustained
• Average Seek Time: 3.5 ms
• Mean Time Between Failures (MTBF): 1,200,000 hours
• Operating Temperature: 0 °C to +70 °C
• Power Consumption: 6.5 W (idle), 12.8 W (active)
• Dimensions: 63.5 mm × 69.85 mm × 15.24 mm
• Weight: 0.25 kg

Performance Highlights

The Dell 400‑AJRT’s 15,000 RPM spindle speed ensures rapid data access and high throughput, making it ideal for workloads that demand low latency and consistent performance—such as database operations, virtualization platforms, and real‑time analytics. The 64 MB cache buffers frequently accessed data, further reducing seek times and improving overall responsiveness.

Reliability & Durability

Designed for continuous operation in mission‑critical environments, the drive incorporates Dell’s Advanced Reliability Architecture (ARA). Features include:

• Dual‑channel SAS interface for redundancy and fault tolerance.
• Hot‑swap capability, allowing seamless replacement without system downtime.
• Robust firmware that manages error correction, wear leveling, and data integrity checks.
• High MTBF rating of 1.2 million hours, translating to an average failure rate of less than one drive per 10,000 units over a five‑year period.

Form Factor & Compatibility

The compact 2.5‑inch size fits into SFF (Small Form Factor) chassis, enabling dense storage configurations such as Dell PowerVault and PowerEdge servers. The drive’s hot‑swap design is compatible with Dell’s Hot‑Swap Caddy system, allowing administrators to replace drives on the fly without interrupting operations.

Use Cases & Applications

The Dell 400‑AJRT excels in scenarios that require:

• High I/O throughput for transactional databases and OLTP systems.
• Low latency access for virtualization hosts and hyperconverged infrastructures.
• Enterprise storage arrays that demand reliable, high‑density capacity.
• Backup and archival solutions where data integrity and long‑term durability are paramount.

Installation & Management

Installing the Dell 400‑AJRT is straightforward:

1. Insert the drive into a compatible SFF slot or hot‑swap caddy.
2. Connect SAS cables to the server’s SAS controller.
3. Power on the system; the drive will be detected automatically by the operating system and storage management software.

Once installed, Dell OpenManage and other enterprise monitoring tools can track performance metrics, health status, and predictive failure indicators in real time.

Environmental & Energy Considerations

The drive’s power profile—6.5 W idle and 12.8 W active—helps reduce data center energy consumption while maintaining high performance. Its operating temperature range of 0 °C to +70 °C ensures reliable operation in varied climatic conditions, from cold server rooms to hot data centers.

Conclusion

The Dell 400‑AJRT represents a blend of speed, capacity, and reliability tailored for enterprise workloads. Its 15,000 RPM spindle, generous cache, and robust SAS interface make it a dependable choice for organizations that demand consistent performance without compromising on durability or scalability.