400-ATJD

400-ATJD – Dell 1TB 7,200 RPM SAS 12Gb/s 512n Hot-Pluggable 2.5-Inch Hard Drive

The Dell 400-ATJD 1TB SAS Hard Drive is a reliable enterprise-class storage solution designed for Dell PowerEdge servers and business-critical data center environments. Featuring a SAS 12Gb/s interface, 7,200 RPM spindle speed, 512n (512-byte native) sector format, and hot-pluggable capability, this drive provides an excellent balance of capacity, performance, and reliability for enterprise storage applications.

With a storage capacity of 1TB, the drive is well-suited for file servers, backup and archival systems, virtualization environments, cloud storage platforms, and general-purpose enterprise workloads. The SAS 12Gb/s interface delivers high-speed connectivity and dependable enterprise-class performance, while the 7,200 RPM spindle speed offers efficient storage for applications where capacity is a priority alongside reliability.

The 512n sector format ensures broad compatibility with modern operating systems, RAID controllers, and enterprise storage infrastructures. Its compact 2.5-inch Small Form Factor (SFF) design supports high-density server deployments, while the hot-pluggable design enables drive replacement or upgrades without system downtime, helping maintain maximum system availability.

Model Type

Internal Enterprise HDD — 2.5″ SAS (12Gb/s, 7.2K RPM, 512n, Hot-Pluggable)

Category

Storage — Enterprise SAS Hard Disk Drive (HDD)

Key Features
1TB Capacity — High-capacity enterprise storage solution
7,200 RPM Spindle Speed — Reliable performance for general-purpose workloads
SAS 12Gb/s Interface — High-speed enterprise connectivity
512n Sector Format — Broad compatibility with enterprise systems
Hot-Pluggable Design — Enables maintenance and upgrades without downtime
2.5-Inch SFF Form Factor — Optimized for high-density server deployments
Enterprise-Class Reliability — Designed for continuous 24/7 operation
RAID Ready — Suitable for storage and redundancy configurations
Cost-Effective Enterprise Storage — Balances performance and capacity
Technical Specifications
Specification Details
Model 400-ATJD
Capacity 1TB
Drive Type Internal HDD
Interface SAS 12Gb/s
Sector Format 512n (512-byte Native)
Spindle Speed 7,200 RPM
Form Factor 2.5″ SFF
Hot-Pluggable Yes
Data Transfer Rate Up to 1.2 GB/s
Workload Type Enterprise / Capacity-Optimized Storage
Compatibility Dell PowerEdge Servers & Storage Arrays
Lead Time 4–6 Business Days
Typical Use Cases
File and application servers
Backup and archival storage
Virtualization environments
Cloud and private cloud infrastructure
RAID storage arrays
Business-critical enterprise applications
Data center storage deployments
General-purpose enterprise workloads