Western Digital Ultrastar DC HC590 26 TB SATA 6 Gb/s

Product Overview

• Product Name: Western Digital Ultrastar DC HC590

• Model Number: WUH722626ALE6L4

• Capacity: 26 TB

• Form Factor: 3.5-inch

• Target Workload: Hyperscale Cloud, Enterprise Data Centers, Big Data Analytics, Distributed Storage/Ceph, High-Capacity NAS/SAN

Model Number Breakdown (WUH722626ALE6L4)

• W: Western Digital

• U: Ultrastar

• H: Helium-sealed (HelioSeal® technology)

• 72: 7200 RPM rotational speed

• 26: 26 TB max family capacity

• 26: 26 TB specific model capacity

• A: Generation code

• L: 26.1 mm z-height (Standard 3.5-inch form factor)

• E6: Interface (SATA 6 Gb/s) and Sector Format (512e)

• L: Legacy Pin 3 disable feature support

• 4: Base / Secure Erase (SE) security option

Key Specifications

Performance & Configuration

• Interface: SATA 6 Gb/s

• Formatted Capacity: 26 TB

• Recording Technology: Conventional Magnetic Recording (CMR)

• Architecture: OptiNAND™ Technology

• Rotational Speed: 7200 RPM

• Buffer / Cache: 512 MB

• Max Sustained Transfer Rate: Up to 298 MB/s

• Areal Density: ~1.3 Tb/sq.in.

Reliability & Data Integrity

• Mean Time Between Failures (MTBF): 2.5 Million Hours

• Annualized Failure Rate (AFR): 0.35%

• Workload Rating: 550 TB/year

• Unrecoverable Read Errors: 1 in 10^15 bits read

• Load/Unload Cycles: 600,000

• Limited Warranty: 5 Years

Power & Environmental

Power Consumption

• Idle Power: ~5.6 W

• Operating Power (Random Read/Write): ~9.5 W

Temperature & Environmental

• Operating Temperature: 5°C to 60°C

• Non-Operating Temperature: -40°C to 70°C

• Shock (Operating, 2ms): 40G

• Shock (Non-Operating, 2ms): 200G

• Vibration (Operating, Random): 0.67G RMS (5 Hz to 500 Hz)