400-ATJM

400-ATJM – Dell 1.2TB 10,000 RPM SAS 12Gb/s 512n Hot-Pluggable 2.5-Inch Hard Drive

The Dell 400-ATJM 1.2TB SAS Hard Drive is a high-performance enterprise storage solution engineered for Dell PowerEdge servers and modern data center environments. Featuring a 10,000 RPM spindle speed, SAS 12Gb/s interface, 512n (512-byte native) sector format, and hot-pluggable functionality, this drive delivers an excellent combination of performance, capacity, and enterprise-grade reliability for business-critical workloads.

With a storage capacity of 1.2TB, the drive is ideal for virtualization platforms, enterprise databases, ERP systems, cloud infrastructure, financial applications, and high-performance RAID storage arrays. The 10K RPM spindle speed provides fast data access and reduced latency, while the SAS 12Gb/s interface ensures high-bandwidth connectivity and dependable enterprise-class operation.

The 512n sector format offers broad compatibility with modern operating systems, RAID controllers, and enterprise storage environments. Its compact 2.5-inch Small Form Factor (SFF) design supports high-density server deployments, while the hot-pluggable design enables administrators to replace or upgrade drives without interrupting server operations, maximizing uptime and operational efficiency.

Model Type

Internal Enterprise HDD — 2.5″ SAS (12Gb/s, 10K RPM, 512n, Hot-Pluggable)

Category

Storage — Enterprise SAS Hard Disk Drive (HDD)

Key Features
1.2TB Capacity — High-capacity enterprise storage for demanding workloads
10,000 RPM Spindle Speed — Fast data access and improved application performance
SAS 12Gb/s Interface — High-speed enterprise connectivity
512n Sector Format — Broad compatibility with enterprise systems
Hot-Pluggable Design — Supports maintenance and upgrades without downtime
2.5-Inch SFF Form Factor — Optimized for high-density server environments
Enterprise-Class Reliability — Built for continuous 24/7 operation
High IOPS Performance — Suitable for virtualization and database applications
RAID Optimized — Ideal for enterprise storage and redundancy configurations
Technical Specifications
Specification Details
Model 400-ATJM
Capacity 1.2TB
Drive Type Internal HDD
Interface SAS 12Gb/s
Sector Format 512n (512-byte Native)
Spindle Speed 10,000 RPM
Form Factor 2.5″ SFF
Hot-Pluggable Yes
Data Transfer Rate Up to 1.2 GB/s
Workload Type Enterprise / Performance Storage
Compatibility Dell PowerEdge Servers & Storage Arrays
Lead Time 4–6 Business Days
Typical Use Cases
Virtualization environments
Enterprise database systems
ERP and CRM applications
Cloud and private cloud infrastructure
Financial and banking applications
RAID storage arrays
Data center deployments
Mission-critical enterprise workloads