Western Digital Releases 26TB Purple Pro Series HDD for Video Surveillance Systems

Western Digital has expanded its Purple Pro family of hard drives for intelligent video surveillance systems, announcing a model with a capacity of 26 TB. The device is made in LFF format, and the SATA-3 interface is used for connection.

The drive uses traditional magnetic recording (CMR) technology. The design provides for 11 plates, the spindle rotation speed is 7200 rpm. The hermetic chamber is filled with helium. The buffer volume is 512 MB. The data transfer rate, according to technical specifications, reaches 287 MB/s.

Image source: Western Digital

The new product is capable of working with up to 64 single-stream high-definition video cameras. AllFrame AI technology helps reduce frame loss and improve playback, providing support for up to 32 data streams for deep learning analytics. OptiNAND technology is implemented, which involves the use of iNAND flash memory to support maintenance operations: this helps to increase performance and improve reliability. WDDA (Western Digital Device Analytics) for state management are mentioned.

The dimensions of the drive are 147×101.6×26.1 mm, weight is 690 g. The operating temperature range extends from 0 to +65 °C. The device is capable of supporting round-the-clock data recording and analysis processes, and the load can reach 550 TB/year. The MTBF (mean time between failures) indicator is 2.5 million hours. The declared power consumption when reading/writing is 6.2 W, in idle mode – 5.7 W. The manufacturer provides a five-year warranty for the device.