Western Digital Red Pro 4TB 7,200RPM 256mb Cache Desktop SATA 6G

• SATA 6.0Gb/s
• Capacity 4TB
• RPM 7200 RPM
• Cache 256MB

Exclusive NASware 3.0 technology
Our exclusive advanced firmware technology, NASware 3.0, enables seamless integration, robust data protection and optimal performance for NAS systems operating under heavy demand.

Built for optimum NAS compatibility
Desktop drives aren't purpose-built for NAS. But WD Red Pro drives with NASware 3.0 technology are purpose-built for NAS.

Larger NAS Bay Shock Protection
WD Red Pro drives are equipped with a multi-axis shock sensor that automatically detects subtle shock events and dynamic fly height technology which adjusts each read-write function to compensate and protect the data.