Dell 400-APXN 900GB 15K RPM SAS 12Gb/s 512e 256MB cache hot-pluggable 2.5-inch hard drive delivers ultra-fast enterprise storage performance, low latency, and reliable operation for Dell PowerEdge

400-APXN – Dell 900GB 15,000 RPM SAS 12Gb/s 512e 256MB Cache Hot-Pluggable 2.5-Inch Hard Drive

The Dell 400-APXN 900GB Hard Drive is a premium enterprise storage solution designed for Dell PowerEdge servers and mission-critical data center environments. Featuring a SAS 12Gb/s interface, ultra-fast 15,000 RPM spindle speed, 512e (512-byte emulation) sector format, 256MB cache, and hot-pluggable functionality, this drive delivers exceptional performance, low latency, and enterprise-grade reliability for demanding business workloads.

Built in a compact 2.5-inch Small Form Factor (SFF), the drive offers 900GB of storage capacity while maximizing I/O throughput and application responsiveness. The 15K RPM rotational speed significantly reduces seek times and improves performance for enterprise databases, ERP systems, virtualization environments, analytics platforms, and transaction-intensive applications.

The integrated 256MB cache enhances data access efficiency and accelerates frequently accessed operations, improving overall system responsiveness. The 512e sector format provides compatibility with legacy operating systems and applications while benefiting from modern storage architecture enhancements. Its hot-pluggable design allows administrators to replace or upgrade drives without shutting down the server, minimizing downtime and maintaining business continuity.

Designed for continuous 24/7 operation, the Dell 400-APXN combines advanced caching technology, high-speed SAS connectivity, and enterprise-class durability to support critical business and data center applications.

Model Type

Internal Enterprise Hard Drive — 2.5″ SAS (12Gb/s, 15K RPM, 512e, 256MB Cache, Hot-Pluggable)

Category

Storage — Enterprise Ultra-Performance Hard Disk Drive (HDD)

Key Features
900GB Storage Capacity — High-speed enterprise storage
15,000 RPM Spindle Speed — Ultra-fast data access and low latency
SAS 12Gb/s Interface — High-bandwidth enterprise connectivity
256MB Cache — Enhanced performance and faster data retrieval
512e Sector Format — Legacy compatibility with modern storage architecture
Hot-Pluggable Design — Enables maintenance without server downtime
2.5-Inch Small Form Factor — Optimized for dense server deployments
Enterprise-Class Reliability — Designed for continuous 24/7 operation
Technical Specifications
Specification Details
Model 400-APXN
Capacity 900GB
Drive Type Hard Disk Drive (HDD)
Interface SAS 12Gb/s
Rotational Speed 15,000 RPM
Cache 256MB
Sector Format 512e (512-byte Emulation)
Form Factor 2.5″ SFF
Feature Hot-Pluggable
Compatibility Dell PowerEdge Servers & Storage Systems
Usage Class Enterprise Ultra-Performance Storage
Lead Time 4–6 Business Days
Typical Use Cases
Enterprise database servers
High-frequency transaction processing
ERP and financial applications
Virtualization platforms
Analytics and business intelligence workloads
Mission-critical data center environments
Performance-intensive enterprise applications