4 TB hard drive PRO version

In recent years, video surveillance has shifted from analogue to digital format. This change resulted in advances in many related technologies. Today's high-definition image recording and analysis applications require the most efficient and reliable hard drives and SSDs on the market. WD RE4 Enterprise SATA drives feature dual processors and a dual stage WD RE4 drive for massive performance in server and data storage applications. Each drive undergoes extensive stress testing with a thermal cycle to ensure reliable operation.