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Gold full-size SD card in clear clamshell packaging

SanDisk

SanDisk 64GB SDXC Class 10 U3 V30 40/90MB/s memory card

SKU CH-9GWH-Z7ETJ

A 64GB SDXC card rated Class 10, U3 and V30 with shot speeds up to 40MB/s and transfer speeds up to 90MB/s for 4K UHD video and burst photography

  • TypeSecure Digital High-Capacity (SDHC)
  • Card typeFull Size SD
  • Capacity64GB
  • Speed Class RatingClass 10
  • Shot speeds up to 40MB/s for smooth 4K UHD video capture
  • Transfer speeds up to 90MB/s to move photos quickly
  • UHS Speed Class 3 and Video Speed Class 30 sustain uninterrupted recording
  • Temperature-proof, waterproof, shock-proof and x-ray-proof for harsh conditions
  • 64GB capacity stores high-resolution images and 4K footage

64GB SDXC Card for 4K Video

This SanDisk Extreme card offers 64GB of storage and is rated Class 10, U3 and V30 for sustained performance. It targets photographers and videographers who need reliable capture of high-resolution 4K UHD footage and sequential burst images. The full-size SD form factor fits standard camera slots without an adapter.

Sustained Write Performance for Long Clips

The U3 and V30 ratings guarantee a minimum sequential write speed of 30MB/s, ensuring the card maintains throughput during extended 4K video recording. Shot speeds reach up to 40MB/s, supporting continuous burst photography without buffer bottlenecks. This sustained capability prevents dropped frames during long takes.

UHS-I Interface Transfer Ceiling

Read speeds peak at 90MB/s when paired with a UHS-I compatible reader, defining the practical transfer limit for offloading large files. The card lacks UHS-II or UHS-III support, so bandwidth cannot exceed the single-row pin interface maximum. Buyers needing faster ingest workflows should consider cards supporting higher bus standards.

Highlights

  • Shot speeds up to 40MB/s for smooth 4K UHD video capture
  • Transfer speeds up to 90MB/s to move photos quickly
  • UHS Speed Class 3 and Video Speed Class 30 sustain uninterrupted recording
  • Temperature-proof, waterproof, shock-proof and x-ray-proof for harsh conditions
  • 64GB capacity stores high-resolution images and 4K footage

Specifications

BrandSanDisk
TypeSecure Digital High-Capacity (SDHC)
Card typeFull Size SD
Capacity64GB
Speed Class RatingClass 10

Questions about this item

Does the card generate noticeable heat or draw extra power during long 4K video sessions?

The card is temperature-proof and designed for sustained 4K UHD recording, so heat and power draw remain minimal during extended use.

What device slot is required to use this 64 GB SDXC card at its rated speeds?

A full-size SD slot that supports UHS-I, U3 and V30 is needed to achieve the 40 MB/s write and 90 MB/s transfer rates.

Will this card work reliably in an older camera that only supports Class 10?

Yes, the card is backward compatible with Class 10 devices, though write speeds will be limited to the host's maximum capability.

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