Dell 400-AHLY 2TB 7200 RPM SAS 12Gb/s 128MB cache 512e hot-pluggable 2.5-inch hard drive with tray delivers reliable, high-capacity enterprise storage and efficient performance for Dell PowerEdge

400-AHLY – Dell 2TB 7200 RPM SAS 12Gb/s 128MB Cache 512e Hot-Pluggable 2.5-Inch Hard Drive with Tray

The Dell 400-AHLY 2TB SAS Hard Drive is a high-capacity enterprise storage solution engineered for Dell PowerEdge servers and demanding data center environments. Featuring a 7,200 RPM spindle speed, SAS 12Gb/s interface, 128MB cache, and 512e (512-byte emulation) sector format, this drive delivers reliable performance, efficient data access, and enterprise-grade dependability for business-critical workloads.

Designed in a compact 2.5-inch Small Form Factor (SFF), the drive supports high-density storage deployments while maximizing capacity and operational efficiency. The integrated 128MB cache enhances read/write performance and application responsiveness, while the 512e sector format ensures broad compatibility with enterprise operating systems, RAID controllers, and storage infrastructures.

Its hot-pluggable design allows administrators to replace or upgrade drives without shutting down the server, minimizing downtime and ensuring uninterrupted operations. Supplied with a Dell-compatible drive tray, the drive is ready for seamless installation into supported Dell PowerEdge servers and storage arrays.

Model Type

Internal Enterprise HDD — 2.5″ SAS (12Gb/s, 7.2K RPM, 128MB Cache, 512e, Hot-Pluggable) with Tray

Category

Storage — Enterprise SAS Hard Disk Drive (HDD)

Key Features
2TB Storage Capacity — High-capacity storage for enterprise applications and growing data requirements
7,200 RPM Spindle Speed — Reliable performance for capacity-focused workloads
SAS 12Gb/s Interface — High-speed enterprise connectivity and throughput
128MB Cache Memory — Enhanced data transfer efficiency and responsiveness
512e Sector Format — Broad compatibility with enterprise systems and storage platforms
Hot-Pluggable Design — Replace or upgrade drives without system downtime
2.5-Inch SFF Form Factor — Optimized for high-density server deployments
Includes Dell Drive Tray — Ready for installation in compatible systems
Enterprise-Class Reliability — Designed for continuous 24/7 operation
Technical Specifications
Specification Details
Model 400-AHLY
Capacity 2TB
Drive Type Internal HDD
Interface SAS 12Gb/s
Cache 128MB
Sector Format 512e
Spindle Speed 7,200 RPM
Form Factor 2.5″
Hot-Pluggable Yes
Included Accessory Dell Drive Tray
Workload Type Enterprise Capacity Storage
Compatibility Dell PowerEdge Servers & Storage Arrays
Lead Time 4–6 Business Days
Typical Use Cases
Enterprise file servers
Virtualization environments
Backup and disaster recovery systems
Cloud storage infrastructure
Enterprise storage arrays
Data archiving and retention
Capacity-focused data center deployments