Western Digital 4TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5 - WD4003FFBX

Specifications Mfr Part Number: WD4003FFBX capacity: 4 TB Rotational speed: 7200 RPM Cache: 256 MB interface: SATA 6 Gb/s interface transfer rate max : buffer to host: 6 GB/s host to/from drive sustained : 217 MB/s shock: operating: 30GS @ 2ms read/write ; 65GS @ 2ms read Non-operating: 300GS @ 2ms acoustics: ‹idle mode: 29 dBA seek mode: 36 dBA average power management: 12VDC 10% peak : 1. 79 a read/write: 7. 2 W idle: 3. 7 W standby/sleep: 0. 4 w form factor: 3. 5 inch MTBF: 1, 000, 000 hours Dimensions W x L x H : 4. 000 x 5. 787 x 1. 028 inch/ 101. 6 x 147. 0 x 26. 1 mm Weight: 1. 58 lbs./ 0. 72 kg RoHS Compliant. Please follow the instructions below to check a WD drive for damage: With the drive disconnected, examine the drive for physical signs of damage such as dents or broken pins Ensure that the power cable if applicable and data cable is securely connected on both ends Verify the power cable for Desktop and My Cloud drives or data cable is connected to a working outlet or port Verify the data cable is in working condition. Try using the cable on a working drive Connect the drive to a different computer or a different port on the motherboard/controller card Test the drive with a diagnostic tool Internal Drives - Windows users: Use Data Lifeguard Diagnostics. Internal Drives - Mac Users: Use the built-in tools within the Operating System. External Drives - Please use WD Drive Utilities, or Data Lifeguard diagnostics to test your drive. My Cloud Drives - Run a System Diagnostic Test Full Test using the Dashboard.