SanDisk High Endurance V30 U3 C10 microSDXC Memory Card w/ Adapter Pre-Order: 64GB $15, 128GB $26

Ideal for dash cams and home monitoring systems
Designed for high endurance so you can record for up to 20, 000 hours with no worries (actual hours of video saved less. Up to 20, 000 hours for 256GB; 10, 000 hours for 128GB; 5, 000 hours for 64GB; and 2, 500 hours for 32GB.)
Built for and tested in harsh conditions; temperature-proof, waterproof, shockproof and X-ray-proof)
Save more videos with capacities up to 256GB (1GB = 1, 000, 000, 000 bytes. Actual user storage Less.)
Record and save more Full HD or 4K video) with capacities up to 256GB (compatible device required. Full HD (1920x1080) and/or 4K UHD (3840x2160) video support may vary based on host device, file attributes, usage conditions and other factors.)