Western Digital 4TB WD Red Pro NAS Internal Hard Drive - 7200 RPM ...

Western Digital 4TB WD Red Pro NAS Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD4003FFBX

• 7200RPM performance class
• Available in capacities ranging from 2-14TB with support for up to 24 bays
• Supports up to 300 TB/yr workload rate* | * Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours))
• Enhanced reliability with 3D Active Balance Plus technology and error recovery controls with NASware 3.0 technology
• Extended drive testing to ensure each drive is tested for extended reliable operation
• 5-year limited warranty