we present the Hard Drive Western Digital WD122PURP The Western Digital Purple Pro WD122PURP is an internal hard drive specifically designed for surveillance systems and applications requiring reliable, high-capacity storage. With a 12 TB capacity, this device offers ample space to store large volumes of data without compromising performance or stability. Its 3.5-inch form factor and Serial ATA III (SATA) interface ensure easy integration and compatibility with most desktop systems and equipment. This unit operates at a 7200 RPM rotational speed, allowing fast and efficient data access and transfer, ideal for continuous recording and persistent storage. It also features a 512 MB cache, significantly improving file access speed and simultaneous management of multiple data streams. Its hybrid connection setup with support for USB and SATA provides versatility in connecting to different devices and systems. Designed for continuous operation under demanding conditions, this HDD offers an optimal balance of capacity, speed, and durability for professional environments. In short, the WD122PURP represents a robust and reliable hard drive solution for critical applications where storage security and availability are priorities.