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Card for surveillance video capture

As the adoption of 4K Ultra HD video, emerging artificial intelligence (AI) applications and analytics drive growth of data in surveillance, Western Digital Corp has unveiled its Purple microSD card, for what the company terms the complex and dynamic data demands of modern surveillance cameras and edge systems.

Made for 24/7 surveillance video capture, the microSD card can support a continuous surveillance workload, the developers say. The card captures and preserves video in a variety of high-definition formats, including 4K Ultra HD video, as well as supports the movement of data to core data systems for analytics and business insights, the company says. It captures video in a range of conditions, the firm says, including outdoors in winters and indoors in hot and humid factory settings.

Christopher Bergey, vice president of embedded and integrated solutions at Western Digital, said: “From Big Data, to Fast Data, to data-centric applications such as surveillance, the volume, speed, variety and value of data continues to exponentially grow and transform. Leveraging our proven capabilities in consumer and industrial memory card innovation, the Western Digital Purple microSD card is the ideal solution for mainstream commercial surveillance data at the edge. Whether capturing 4K video, used in AI-enabled cameras, or part of a larger data system supporting ‘smart surveillance’ applications, this rugged and intelligent card delivers ‘surveillance-class’ endurance and tremendous performance to enable trusted video capture in some of the harshest conditions. When combined with our popular Purple and Ultrastar hard disk drives (HDDs) to support data preservation and real-time analytics, Western Digital now provides the industry’s most comprehensive offering for surveillance data, from the edge to the core.”

In compatible cameras, a health monitor offers reporting to provide users and system installers information, including the card’s endurance and capacity status, enabling predictive maintenance and taking the guess work out of when to service the card. The product offers speeds of up to 80 MB/s sequential read and 50 MB/s sequential write and supports Speed Class 10 and UHS Speed Class 1.1. It’s designed for use in temperatures ranging from minus 25 degrees C to 85 degrees C.

The new microSD card will be available worldwide through Western Digital’s authorised resellers in April in 32GB and 64GB. Visit


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