Available in capacities ranging from 1-14TB with support for up to 8 bays | As used for storage capacity, 1GB = 1 billion bytes and 1TB = 1 trillion bytes. Actual user capacity may be less depending on the operating environment. Supports up to 180 TB/yr workload rate | Workload Rate is defined as the amount of user data transferred to or from the hard drive. The workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations. NASware firmware for compatibility. Small or medium business NAS systems in a 24×7 environment.