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Small rectangular microSDXC card with red and black labelling plus full-size SD adapter

SanDisk

SanDisk Extreme Pro microSDXC 64GB U3 95MB/s SDSDQXP-064G-G46A memory card

SKU CH-ZZKZ-VC6BY MPN SDSDQXP-064G-G46A

UHS-I microSDXC card rated U3 for 4K video, delivering up to 95 MB/s read and 90 MB/s write with included adapter

  • Total capacity64 GB
  • Speed classUHS Speed Class 3
  • Max read speedUp to 95 MB/s
  • Write throughputUp to 90 MB/s
  • Product typeMicroSDXC
  • Key features4K Ultra HD and Full HD Video SanDisk Memory Zone included R
  • Capture 4K Ultra HD video with U3 speed class
  • Read up to 95MB/s for fast file transfers
  • Write up to 90MB/s keeps recording smooth
  • Water, shock, x-ray and temperature proof durability
  • Includes RescuePRO Deluxe recovery software download offer

64 GB microSDXC for 4K video

The SanDisk Extreme Pro microSDXC card provides 64 GB of storage for action cameras, drones and smartphones that record 4K Ultra HD or Full HD footage. It carries a UHS Speed Class 3 rating, guaranteeing a minimum sustained write speed for uninterrupted video capture. The bundled SD adapter lets the card work in full-size SD slots without extra accessories.

Simple insert with bundled adapter

Installation is a matter of sliding the microSD card into the supplied SD adapter and then into the device slot; no drivers or formatting tools are required on most modern hardware. The card is water proof, shock proof, x-ray proof and temperature proof, so environmental mishandling rarely causes failure. The most common issue is using the card in a device that does not support the microSDXC standard, which prevents the capacity from being recognised.

U3 sustained write for 4K recording

The decisive specification is the UHS Speed Class 3 (U3) rating, which certifies a minimum sequential write performance sufficient for 4K Ultra HD video bitrates. Maximum read speed reaches 95 MB/s and write speed reaches 90 MB/s, but the U3 guarantee is what ensures frames are not dropped during continuous recording. Buyers whose device only requires Class 10 or U1 speeds will not benefit from the higher sustained write assurance.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $43.99
Typical for this category: the median of 1,947 items is $46.99.
Total capacity 64 GB
Typical for this category: the median of 1,132 items is 64 GB.
Price per TB $687.34 per TB
Pricier than about 74% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineExtreme Pro
Total capacity64 GB
Product typeMicroSDXC
Performance
Speed classUHS Speed Class 3
Max read speedUp to 95 MB/s
Write throughputUp to 90 MB/s
Size & build
Shipping weight0.01 kg
Package size102 × 102 × 5 mm

Questions about this item

How can I verify the card is delivering the rated 95MB/s read and 90MB/s write speeds after setup?

Run a benchmark tool such as CrystalDiskMark or ATTO Disk Benchmark on a PC using a quality UHS-I card reader; sequential results should approach 95MB/s read and 90MB/s write.

Does the retail package include the SD adapter and are there any accessories I must purchase separately?

The box contains the 64GB microSDXC card and a full-size SD adapter; no extra accessories are required for standard use.

Which capacity from the 16GB, 32GB and 64GB lineup should I choose for 4K Ultra HD video recording?

The 64GB model gives the longest recording time at 4K Ultra HD while keeping the same U3 speed rating as the smaller capacities.

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