SanDisk 256GB Extreme microSDXC UHS-I Card for Dash Cams, Action Cams & Drones

High-Speed, Durable Storage for 4K Recording & Continuous Use

Optimized for Dash Cams, Action Cameras & Drones

The SanDisk Extreme microSDXC UHS-I card is engineered for high-bitrate 4K UHD and Full HD recording, making it an ideal choice for dash cams, action cameras, and drones that require fast, stable, and reliable memory performance.

With UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings, the card ensures smooth, uninterrupted video recording without frame drops—perfect for long drives, high-speed flights, and extreme outdoor activities.

Fast Read & Write Speeds for Reliable 4K Video

Powered by SanDisk QuickFlow™ Technology (64GB–1TB), this card delivers:

• Read speeds up to 190MB/s for fast file transfers

• Write speeds up to 130MB/s for high-resolution video recording

These speeds allow dash cams to record continuously, action cams to capture fast motion, and drones to store high-frame-rate aerial footage with confidence. For maximum transfer performance, pair it with the SanDisk Professional PRO-READER (sold separately).

Built for Continuous Recording & Extreme Conditions

Dash cams and action cameras often operate for long hours in harsh environments. That’s why SanDisk Extreme microSD cards are built to withstand demanding conditions. They are:

• Shockproof

• Temperature-proof

• Waterproof

• X-ray-proof

This makes them ideal for parking mode dash cam recording, outdoor sports, and aerial drone usage in hot, cold, or unpredictable environments.

Large Capacity for Long Driving & Flight Sessions

With storage options of up to 1TB, the SanDisk Extreme microSDXC card lets you:

• Record long road trips without frequent overwriting

• Store extended parking surveillance footage

• Capture long drone flights and action sequences

Spend less time managing storage and more time recording what matters.

A2 Performance for Smart Dash Cams & Mobile Use

Featuring A2 App Performance, this card improves responsiveness in smart dash cams, action cameras, and mobile devices—supporting faster data access and smoother operation where supported.