HP 581286‑B21 | 600 GB SAS 10K 6Gbps Dual‑Port 2.5″ Enterprise HDD


Robust HP 581286‑B21 – 600 GB SAS 6 Gbps 10K RPM 2.5″ Dual-Port Enterprise HDD, engineered for hot-plug reliability in ProLiant G4–G7 servers. Ideal for data center workloads requiring durability and speed.

Enhance your server infrastructure with the HP 581286‑B21 enterprise-grade hard drive. Built to power HP ProLiant G4 through G7 generation servers, storage arrays, and blades, this compact 2.5″ SAS HDD ensures high availability and consistent performance:

  • 600 GB capacity to support virtualization, databases, and mission-critical workloads

  • 6 Gb/s SAS interface with dual‑port configuration for redundancy and fault tolerance

  • 10,000 RPM spindle speed delivering low latency and swift I/O

  • Includes hot-swappable tray/caddy for seamless maintenance

  • Compatible firmware and genuine HP serials ensure full integration and warranty compliance

  • Ideal for enterprise storage solutions, data centers, and high-uptime environments

This drive offers an excellent balance of performance and capacity in a Small Form Factor (SFF) package designed for 24/7 operation.

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Technical Specifications

Feature Specification
Model 581286‑B21 (also known as 581311‑001)
Capacity 600 GB
Form Factor 2.5″ Small Form Factor (SFF)
Interface Dual‑port SAS, 6 Gb/s
Rotational Speed 10,000 RPM
Cache 16 MB onboard buffer
Hot-Swap Tray Included
Dimensions (H×W×D) ~0.6″ × 2.75″ × 3.9″ (15.0 × 70 × 100 mm)
Sector Size 512 bytes
Average Throughput 67–129 MB/s
Supported Servers HP ProLiant G4–G7 blades, DL & ML series, several HP storage enclosures
Warranty Factory-backed, enterprise quality

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