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SanDisk

SanDisk Extreme 64GB SDHC UHS-I U3 90MB/s 600X 10-pack

SKU CH-KHKA-ZH2FN

Ten 64 GB UHS-I U3 cards provide 640 GB total capacity with 90 MB/s read and 40 MB/s write speeds for fast burst shooting and Full HD video

  • typeSecure Digital (SD)
  • Capacity640GB (64GB x 10)
  • Speed Class Rating600X
  • Read Speed90mb/s
  • Write Speed40MB/S
  • Up to 90 MB/s read speed for faster shot-to-shot performance
  • Up to 40 MB/s write speed enables Full HD and 3D video capture
  • UHS-I U3 Class 10 rating sustains high-bitrate recording
  • 640 GB total capacity across ten 64 GB cards
  • Built temperature-proof, water-proof, shock-proof and x-ray-proof for harsh conditions

Ten-card kit for continuous shooting

This pack supplies ten SanDisk Extreme SDHC cards, each rated at 64 GB, giving 640 GB total capacity. The UHS-I U3 specification supports sustained write speeds up to 40 MB/s, making the set suitable for photographers and videographers who need multiple cards for extended sessions. Cards are rated Class 10 for Full HD and 3D video capture. Built-in ECC helps maintain data integrity across every card.

Sustained write performance under load

The 40 MB/s write rating is maintained across the UHS-I bus rather than only in short bursts, so continuous RAW bursts or long video clips stay smooth. Advanced ECC operates during every read and write cycle, reducing errors when cards run warm during prolonged use. Temperature, water, shock and X-ray proofing protects the media when shooting in harsh environments. Reliability is verified through SanDisk professional testing standards.

Upgrade from slower or smaller cards

This kit replaces lower-speed Class 10 or U1 cards that bottleneck burst rates or 4K workflows. The 600X read rating accelerates offload times when ingesting large batches. Photographers carrying multiple smaller cards can consolidate to fewer, larger cards without sacrificing speed. The jump is worthwhile when current media limits shot-to-shot pace or requires frequent swaps during events.

Highlights

  • Up to 90 MB/s read speed for faster shot-to-shot performance
  • Up to 40 MB/s write speed enables Full HD and 3D video capture
  • UHS-I U3 Class 10 rating sustains high-bitrate recording
  • 640 GB total capacity across ten 64 GB cards
  • Built temperature-proof, water-proof, shock-proof and x-ray-proof for harsh conditions

Specifications

BrandSanDisk
typeSecure Digital (SD)
Capacity640GB (64GB x 10)
Speed Class Rating600X
Read Speed90mb/s
Write Speed40MB/S

Questions about this item

How much power does the 64GB SDHC UHS-I card draw during continuous all-day recording?

SD cards draw negligible power from the host device; the UHS-I bus and 90MB/s read speed impose minimal load on camera batteries.

What host device slot is required for the 64GB U3 cards to reach 90MB/s read speed?

A UHS-I compatible SDHC/SDXC slot is needed; older Class 10-only slots will fall back to lower bus speeds.

Will the 600X rated cards work reliably in a camera that only supports UHS Speed Class 1?

Yes, the U3 rating exceeds U1 requirements, so the cards operate at the host's maximum supported speed without issues.

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