Western Digital 2TB WD Purple Surveillance WD22PURZ Internal Hard Drive HDD-SATA 6 Gb/s 256 MB Cache 3.5 inch 3-years warranty

The Western Digital Purple 2TB hard disk drive (HDD) is a 3.5-inch SATA HDD designed specifically for video surveillance systems. It is optimized for constant, 24/7 recording and playback of high-definition video footage from surveillance cameras.

Here are some key features and specifications of the Western Digital Purple 2TB HDD:

1. Capacity: The drive has a total storage capacity of 2 terabytes (2,000 gigabytes), which is equivalent to approximately 2,000 hours of standard-definition video or 400 hours of high-definition video, depending on the compression format used.

2. SATA Interface: It utilizes the SATA (Serial ATA) interface, specifically SATA 6Gb/s (SATA III), which provides a high-speed data transfer rate between the HDD and the computer system.

3. Buffer Size: The drive typically comes with a cache (buffer) size of 64MB or larger. The buffer helps improve the drive's performance by temporarily storing data that is frequently accessed.

4. IntelliSeek Technology: Western Digital's IntelliSeek technology calculates the optimum seek speeds to reduce power consumption, noise, and vibration. This technology also helps to increase the overall reliability and lifespan of the drive.

5. AllFrame AI Technology: The Western Digital Purple series drives are equipped with AllFrame AI technology, which enhances video streaming and helps reduce frame loss. It is specifically designed to support the unique demands of AI-enabled video surveillance systems.

6. Compatibility: The Western Digital Purple 2TB HDD is compatible with most desktop computers and video surveillance systems that support 3.5-inch SATA drives.