SanDisk Extreme

Top Product

Product features:

  • Read Speed according to manufacturer 160 MB/s
  • Write Speed according to manufacturer 60 MB/s
  • Warranty lifetime
  • Waterproof
  • Temperature-proof
  • X-ray proof
  • Shockproof
  • 93% positive reviews on Amazon


  • V30 video speed class
  • Belongs to the second class of App Speed i.e. A2
  • A U3 speed class rated product
  • High Transfer Speed up to 100 MB/s
  • Records 4K videos



The SanDisk Extreme microSDHC U3 card gives very high performance on action cameras. The card attains different read and write speeds in different memory variants.  The memory card has a UHS Speed Class 3, which means the card provides a minimum speed of 30 MB/s for a 4K HD video recording.

The memory card has a storage capacity of 32GB, 64GB, 128GB, 400GB, 512GB AND 1TB. The read and write speed of 32 GB is 100 MB/s and 60 MB/s wheres for 64 GB the speeds are 160 MB/s and 60 MB/s. The write speed increases to 90 MB/s in all other higher variants whereas the read speed remains the same.

SanDisk Extreme memory card has a V30 Video Speed Class Rating, which means that it guarantees a minimum write speed of 30MB/s. With this memory card, you also capture photos and record sports videography in Ultra HD 4K (3840×2160) and FullHD (1920×1080).

This memory card is specially designed for the devices that are compatible with UHS-I/V30 specifications. However, the memory card can also run on the devices that do not support this specification. If you run the memory card on the non-compatible devices then the speed class rating of the memory card automatically reduces to UHS-I and U1. In such a case, the minimum write speed becomes 10 MB/s.

Apart from the above specifications, SanDisk has also introduced support for A1 spec that is Application Performance Class 1. This facility improves the mobile experience of Android Users and improves the performance of mobile applications. With A1 spec, the card can also manage Read Input-Output Access per Second efficiently and quickly. This operation enables the card to open applications quickly and perform other tasks like graphics, audio, in-app permissions, etc.

Like most SanDisk memory cards, this memory card is waterproof, shockproof and X-Ray proof. This memory card can also resist extreme temperatures ranging from -13 to 185F. This means that you can carry this memory card in all environments like pools, deserts, and snow. In case you lose the data in your card, you can recover it using Rescue PRO Deluxe Software. This memory card also comes with a limited lifetime warranty.

This memory card has several features. The SanDisk micro SD card has high speed; commendable storage capacity is durable and has excellent quality. All these features make it the right choice for your action camera. With Class 10 and U3 speed ratings, you can capture Full HD and 4K Ultra HD videos.  This feature enables you to record your videos in high resolution giving you an everlasting experience.

This card generally comes with an adapter. The adapter enables you to access the data that is in the card on the devices that have an SD card slot. Using an adapter, you can use SanDisk memory card on tablets, cameras, and laptops that are SD enabled.

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