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Two red-and-black microSDHC cards in a blister pack

SanDisk

SanDisk Extreme PRO microSDHC 32GB x 2 95MB/s UHS-I U3 Class 10

SKU CH-N856-Q6KZ8

Twin 32 GB microSDHC cards rated UHS-I U3 Class 10 deliver up to 95 MB/s read speed for 4K video capture and rapid file transfer

  • typemicroSDHC
  • Capacity64GB (32GB x 2)
  • Speed Class RatingUHS-I / Class 10
  • Read Speed95 MB/s
  • Twin 32 GB cards give 64 GB total storage
  • UHS-I Class 10 rating supports 4K Ultra HD video
  • Up to 95 MB/s read speed for fast file transfers
  • Up to 90 MB/s write speed enables burst-mode shooting
  • Waterproof, temperature-proof and shockproof design protects data

Twin 32 GB microSDHC pack

This pack contains two SanDisk Extreme PRO microSDHC cards, each rated at 32 GB for a combined 64 GB. They use the UHS-I interface with a Class 10 and U3 speed rating. The cards are built for smartphones, tablets and cameras that need reliable high-resolution capture.

Step up from slower Class 10 cards

Older Class 10 cards without the U3 rating often drop frames during 4K Ultra HD recording. The U3 rating here guarantees a minimum write speed that sustains 4K video and burst-mode shooting. The jump is worth it when your device records 4K or captures rapid still sequences.

Suits 4K shooters needing redundancy

Photographers and videographers who want a spare card in the bag will appreciate the twin pack. Users who only shoot Full HD or need capacities above 64 GB should look at larger single cards instead.

Highlights

  • Twin 32 GB cards give 64 GB total storage
  • UHS-I Class 10 rating supports 4K Ultra HD video
  • Up to 95 MB/s read speed for fast file transfers
  • Up to 90 MB/s write speed enables burst-mode shooting
  • Waterproof, temperature-proof and shockproof design protects data

Specifications

BrandSanDisk
typemicroSDHC
Capacity64GB (32GB x 2)
Speed Class RatingUHS-I / Class 10
Read Speed95 MB/s

Questions about this item

Does the microSDHC card fit a standard microSD slot?

Yes, the microSDHC form factor matches the standard microSD slot found in smartphones, tablets and cameras.

What is the correct way to insert the card so the contacts align?

Insert the card label-side up with the gold contacts facing the device until it clicks into place; forcing it upside down bends the contact pins.

When should the card be replaced if write performance drops?

Replace the card when sustained write speeds fall well below the rated 90 MB/s or when the device reports read errors during 4K video capture.

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