Western Digital 4TB WD Red NAS Internal Hard Drive – 5400 RPM Class, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5″ WD40EFRX- Price in Muscat Oman.

Available in capacities ranging from 1-14TB with support for up to 8 bays
5400RPM performance class
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. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours))
NASware firmware for compatibility
Small or medium business NAS systems in a 24×7 environment
3-year limited warranty