WD has matched Seagate's recent announcement of a 6TB disk drive designed for storing surveillance video.
The WD Purple disk drive, designed for video surveillance applications, is now available in a 6TB version.
Company officials say they are suitable for use in systems with up to eight drives and 32 HD cameras.
They also feature IntelliSeek, which optimises seek speeds to reduce power consumption, noise and vibration.
"Video surveillance has long been a pioneering Internet-of-Things application. Driven by machine-to-machine interaction between high-resolution, high-bit-rate video cameras and high-capacity surveillance video recorders, IoT applications bring access and big data analytics to improve user's security," said WD storage technology group senior vice president and general manager Matt Rutledge.
"WD Purple 6 TB drives enable innovation in this fast growing market."
The new 6TB version costs US$329. Local pricing was not immediately available.