WD Ultrastar DC HC570 22TB 7200 RPM SATA 6Gb/s 512MB Cache 3.5-Inch Enterprise Hard Drive (WUH722222ALE6L4)

Key Specifications

General

• Brand: Western Digital (WD)

• Series: Ultrastar DC HC570

• Model Number: WUH722222ALE6L4

• Capacity: 22TB

• Form Factor: 3.5-inch (LFF)

• Drive Type: Enterprise HDD

Performance

• Interface: SATA III 6 Gb/s

• Rotational Speed: 7200 RPM

• Cache: 512 MB

• Recording Technology: CMR (Conventional Magnetic Recording)

Advanced Technologies

• OptiNAND™ Technology: Integrates embedded flash for improved data resilience during power loss and better caching performance.

• ArmorCache™: Enhances write cache safety and performance consistency across modes.

• ePMR & HelioSeal®: High-density perpendicular magnetic recording and helium sealing for efficiency and reliability.

Reliability & Endurance

• MTBF: ~2.5 million hours (projected)

• Workload Rating: Designed for heavy enterprise workloads

• Warranty: Typically 5-year limited (varies by region