WD Western Digital 4TB Red Plus NAS Internal Hard Drive HDD - 5400 RPM,SATA 6 Gb /s,CMR,256 MB Cache,3.5 inch -WD40EFPX,(Pack of 10)

Features

• The information below is per-pack only
• Available in capacities ranging from 1-14TB(1) with support for up to 8 bays | (1) 1MB : 1 million bytes, 1GB : 1 billion bytes, and 1TB : 1 trillion bytes. Actual user capacity may be less depending on operating environment.Specific uses: NAS,Business
• Supports up to 180 TB/yr workload rate(2) | (2) 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)). Workload Rate will vary depending on your hardware and software components and configurations.
• NASware firmware for compatibility
• Built for small or medium business NAS systems in a 24/7 environment
• 3-year limited warranty(3) | (3) MTBF specifications are based on a sample population and are estimated by statistical measurements and acceleration algorithms under typical operating conditions: workload of 90TB/year and drive temperature of 40C. Derating of MTBF will occur above these parameters, up to 65C drive temperature. MTBF does not predict an individual drives reliability and does not constitute a warranty. Not all products may be available in all regions of the world.