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Extreme High-Speed Memory Card

The SanDisk Extreme MicroSDXC 256GB 4K V30 A2 is a high capacity Class 10 Memory Card with a lightning fast read speed up to 160MB/s, as well as a write speed up to 60MB/s. Its reliable design and build quality make it a great option for a wide range of photography and video applications

Supports 4K Video Recording

Unleash the full potential of your action camera or smart device and take advantage of the cards Ultra High Speed (UHS) Speed Class 1 (U3) and V30 certification to enjoy ultra-fast performance speeds that easily meet the requirements of 4K video recording.

Extremely Reliable

Constructed to be waterproof, x-ray proof, temperature proof and shockproof, this card can handle whatever you can throw at it with ease, providing the peace of mind that even if you hit bad weather conditions your data, images and video can be safe and secure on the 256GB SanDisk 4K A2 V30 MicroSDXC Extreme Plus Memory Card.

Form factor:



Up to 160MB/s read and up to 60MB/s write speed

Temperature proof, waterproof, shock proof, and x-ray proof


Card dimension:

14.99mm x 10.92mm x 1.02mm

Operating temperature:

-25ºC to 85ºC

Storage temperature:

-40ºC to 85ºC


Compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices

Class 10 and UHS Speed Class 3 (U3) for 4K Ultra HD (3840x2160p) and Full HD video (1920x1080p)


* Specifications subject to change by the manufacturer without notice

Sandisk Extreme 256GB A2 V30 UHS-I U3 Micro SD XC Card 160MB/s - No Adapter


* Dispatch timeframes are indications only and may vary for multiple quantities. Timeframes are updated regularly during normal business hours.