Western Digital 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (Western Digital4000FYYZ)

Ideal for enterprise servers and storage, video surveillance, and other write-intensive applications, WD RE 7200 RPM Enterprise SATA hard drives offer up to 4 TB capacity, 64 MB cache, 4th generation vibration tolerance and 5-year limited warranty.

Industry’s highest capacity nearline drive – WD RE SATA hard drives are available in capacities ranging from 2 TB to 4 TB to suit even the most demanding storage needs
Highest performance for business-critical applications – WD RE delivers 6 Gb/s transfer rates, sustained sequential data rates of 171 MB/s and high random I/O rates
Designed for quality and reliability – With a field-tested 1.2 million hour MTBF, this high performance drive delivers the highest level of reliability for 24×7 operation in up to 100% duty cycle applications
Dual processor – Twice the processing power to maximize performance
Vibration Protection – Enhanced RAFF technology includes sophisticated electronics to monitor the drive and correct both linear and rotational vibration in real time. The result is a significant performance improvement in high vibration environments over the previous generation of drives.
5 year limited warranty