WESTERN DIGITAL WD60EFAX Red, 3.5'', 6TB, SATA/600, 5400RPM, 256MB cache, NAS

Specifically designed for use in NAS systems with up to 8 bays
Supports up to 180 TB/yr workload rate* |Workload Rate is annualized (TB transferred times (8760/recorded power-on hours)), workload rate will vary depending on your hardware and software components and configurations
NASware firmware for compatibility
Small and home office NAS systems in a 24/7 environment
Note: 3.5 NAS HARD DRIVE is the size of the hard drive in inches, NASware 3.0 is a property (software) related to its use as a NAS