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Twin red-and-black microSDHC cards in a clear blister pack

SanDisk

SanDisk Extreme PRO 2x64GB microSDHC UHS-I U3 95MB/s

SKU CH-VWVH-0P55Z

A twin pack of 64 GB microSDHC cards delivering 95 MB/s read speed, UHS-I U3 performance for 4K video and burst shooting

  • TypemicroSDHC
  • Card typeMicroSD
  • Capacity128GB (64GB x 2)
  • Speed Class RatingUHS-I / Class 10
  • Read Speed95 MB/s
  • Dual 64 GB cards give 128 GB total capacity
  • UHS-I U3 Class 10 rating supports 4K Ultra HD video
  • Read speeds up to 95 MB/s for fast file transfer
  • Write speeds up to 90 MB/s enable burst-mode shooting
  • Waterproof, temperature-proof and shockproof design protects data

Dual-Card Kit for Mobile Capture

This twin-pack delivers 128 GB total from two 64 GB microSDHC cards built for smartphones, tablets and cameras. Each card is rated UHS-I with a Class 10 and U3 speed class, offering read speeds up to 95 MB/s and write speeds up to 90 MB/s. The bundle suits creators who want matched media for continuous shooting or backup workflows.

Suits 4K Video and Burst Stills.

Photographers and videographers recording Full HD or 4K Ultra HD will meet the sustained write requirement of the U3 rating. Drone pilots and action-cam users gain reliable performance in a compact form factor. Buyers who need more than 64 GB per card or require UHS-II bus speeds should look at something else.

UHS-I U3 Speed Class Decides Fit

The U3 designation guarantees the minimum sustained write performance needed for 4K video without dropped frames. If your device only supports the slower U1 class, you will not benefit from the card’s full capability. Verify that your hardware accepts UHS-I U3 before purchase.

Highlights

  • Dual 64 GB cards give 128 GB total capacity
  • UHS-I U3 Class 10 rating supports 4K Ultra HD video
  • Read speeds up to 95 MB/s for fast file transfer
  • Write speeds up to 90 MB/s enable burst-mode shooting
  • Waterproof, temperature-proof and shockproof design protects data

Specifications

BrandSanDisk
TypemicroSDHC
Card typeMicroSD
Capacity128GB (64GB x 2)
Speed Class RatingUHS-I / Class 10
Read Speed95 MB/s

Questions about this item

What is the maximum sustained write speed I can expect during continuous 4K recording?

The card delivers write speeds up to 90 MB/s, which is the limit that appears first under sustained heavy use.

How much heat or noise does the card generate during all-day video capture?

The card has no moving parts and produces no audible noise; it is temperature-proof rated, so heat buildup is minimal during extended operation.

Which device slot is required for these cards to function at their rated speed?

You need a host device with a microSDHC or microSDXC slot that supports UHS-I to achieve the 95 MB/s read and 90 MB/s write rates.

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