WD Red 4TB NAS Hard Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40EFRX Capacity::12TB protects your eyes from dazzling

protects your eyes from dazzling light

Includes a 2 wire agitator

Premium Quality Materials

Top Quality Revolutionary Appearance and comfort

Monitor your home security and surveillance in real-time on your phone no matter where you are

WD Red 4TB NAS Hard Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40EFRX Capacity::12TB protects your eyes from dazzlingSpecifically designed for use in NAS systems with up to 8 bays 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 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