400-ATJL

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

The Dell 400-ATJL 1.2TB SAS Hard Drive is a high-performance enterprise storage solution designed for Dell PowerEdge servers and mission-critical data center environments. Featuring a 10,000 RPM spindle speed, SAS 12Gb/s interface, 512n (512-byte native) sector format, and hot-pluggable capability, this drive delivers an ideal balance of performance, capacity, and enterprise-grade reliability.

With a storage capacity of 1.2TB, the drive is well-suited for virtualization platforms, enterprise databases, ERP systems, cloud infrastructure, business-critical applications, and RAID storage arrays. The 10K RPM spindle speed provides fast data access and low-latency performance, 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 applications. Its compact 2.5-inch Small Form Factor (SFF) design enables high-density server deployments, while the hot-pluggable design allows drive replacement or upgrades without shutting down the server, 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 responsiveness
SAS 12Gb/s Interface — High-performance enterprise connectivity
512n Sector Format — Broad compatibility with enterprise environments
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
High IOPS Performance — Suitable for virtualization and database workloads
RAID Optimized — Ideal for enterprise storage and redundancy configurations
Technical Specifications
Specification Details
Model 400-ATJL
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 platforms
Enterprise database systems
ERP and CRM applications
Cloud and private cloud infrastructure
Financial and business-critical applications
RAID storage arrays
Data center deployments
Mission-critical enterprise workloads