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Two blue SanDisk Extreme SDHC cards side by side

SanDisk

SanDisk Extreme U3 SDHC UHS-I 64GB 90MB/s 2-pack

SKU CH-AVW4-TZVA2

Two 64 GB SDHC UHS-I cards rated U3 and Class 10, each reading up to 90 MB/s and writing up to 40 MB/s for Full HD video

  • Total capacity128 GB (64 GB x 2)
  • Speed class600X
  • Max read speed90mb/s
  • Write throughput40 MB/S
  • Product typeSecure Digital (SD)
  • Fast read speeds for quick file transfers with up to 90MB/s
  • Reliable Full HD video capture backed by U3 Class 10 rating
  • Two 64GB cards give 128GB total capacity in one pack
  • Durable design tested for temperature, water, shock and x-ray proofing
  • Advanced ECC engine protects data integrity during read and write operations

Two-card kit for high-speed capture

This pack contains two SanDisk Extreme SDHC UHS-I cards, each with 64 GB capacity for a combined 128 GB. They are built for photographers and videographers who need reliable storage for continuous shooting and Full HD video recording. The U3 speed class and 600X rating support sustained write performance during demanding capture sessions.

Step up from standard Class 10 cards

Standard Class 10 cards often lack the sustained write speed needed for uninterrupted Full HD or 3D video. These cards deliver up to 40 MB/s write speed and U3 performance, making the upgrade worthwhile when shot-to-shot latency or dropped frames become an issue. The 90 MB/s read speed also accelerates file offload to a computer.

Fits any SDHC or SDXC slot with UHS-I support

Each card works in cameras, camcorders, or card readers that accept SDHC media and the UHS-I bus. The error correction engine helps maintain data integrity during heavy read and write cycles. Temperature, water, shock, and X-ray resistance protect the media in harsh environments, freeing you to focus on the shoot rather than card handling.

How it compares

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

Price $50.99
Typical for this category: the median of 1,947 items is $46.99.
Total capacity 128 GB (64 GB x 2)
Higher than about 60% of the 1,132 comparable items (median 64 GB).
Price per TB $398.36 per TB
Typical for this category: the median of 901 items is $374.69 per TB.

Specifications

Product
Brand nameSanDisk
Total capacity128 GB (64 GB x 2)
Product typeSecure Digital (SD)
Performance
Speed class600X
Max read speed90mb/s
Write throughput40 MB/S

Questions about this item

Will the two 64GB cards fit a standard SDHC slot?

Yes, each card follows the SDHC form factor so it slides into any standard SDHC or SDXC slot without an adapter.

What is the most common mistake when installing these cards in a camera?

Inserting the card upside-down or not pushing it until it clicks; the label should face the same way as the battery door and you must feel the latch engage.

How often should I replace the cards if I record Full HD video at the rated write speed?

The built-in ECC engine and temperature, water, shock and X-ray proofing mean the cards last for years; replace only if a device reports write errors or the lifetime limited warranty is invoked.

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