Western Digital’s WD Purple SC QD101 microSD card is designed specifically for the mainstream security camera market. Using advanced 96-layer 3D NAND technology, the card delivers a cost-effective combination of ultra endurance, high performance, and wide capacity range up to 1TB 1 , and its support for card health monitor functionality allows for pre-emptive storage management. With the fast-growing market of security cameras, and growing adoption of 4K video, this card offers the right combination of longevity and capacity to handle the 24/7 continuous recording workload.  Trust Western Digital to deliver WD Purple –the ideal microSD storage for security video cameras and edge devices. It's WD Purple Designed for Surveillance. Being a member of a market-leading brand gives you assurance that this card is designed with the right robustness, performance and features for always-on security video cameras and edge devices. Put More Confidence In Your Cameras Ultra Endurance. WD Purple SC microSD cards are designed for continuous 24/7 recordingshould cameras lose connection with the NVR, providing additional confidence in your security video solution. Smart Storage Maintenance Card Health Monitoring. In compatible cameras, card health monitoring capability allows you to get notified when it's time to service your WD Purple microSD card, so you can perform preemptive storage management.  Robust Storage, Indoors or Outdoors Supports -25°C to 85°C temperature range; humidity resistant. Have peace of mind that this card is designed for continuous operation in extreme weather conditions and in a variety of climates. Continuous Capture, Hours or Days Capacities up to 1TB 1 . WD Purple microSD cards are built with advanced 96-layer 3D NAND technology, ensuring high performance, reliability, and endurance. Western Digital offers a wide range of capacities for different cameras, resolution, and recording implementations; use for both motion-triggered and continuous recording Ideal for Ideal for mainstream video surveillance cameras supporting on-camera storage (microSD slot) for stand-alone recording or failover local storage in the event of network outage. 1. As used for storage capacity, 1GB = 1 billion bytes. Actual user capacity may be less depending on operating environment.