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SanDisk Ultra 64GB full-size SDXC card, black label, write-protect switch visible

SanDisk

SanDisk SDSDUNR-064G CVK 64GB SDXC Class 10 100MB/s memory card

SKU CH-M26X-S0DDA

A 64 GB SDXC card with Class 10 speed and up to 100 MB/s read for cameras and portable devices

  • Total capacity64 GB
  • Memory card formatFull Size SD
  • Speed classClass 10
  • Product typeSecure Digital Extended Capacity (SDXC)
  • 64GB capacity stores thousands of photos
  • Class 10 rating guarantees minimum 10MB/s write speed
  • 100MB/s read speed enables fast file transfers
  • UHS-I U1 supports smooth Full HD video recording
  • Full-size SD form factor fits standard card slots

64 GB SDXC card for everyday capture

This full-size Secure Digital Extended Capacity card stores 64 GB of photos or video. It is aimed at owners of cameras, camcorders or phones that accept SDXC media and need reliable capacity for daily shooting.

Class 10 write speed under continuous use

Rated Class 10, the card guarantees a minimum sustained write rate of 10 MB/s during long recording sessions. The UHS-I interface supports burst reads up to 100 MB/s, but extended writes settle at the Class 10 floor rather than the peak figure.

UHS-I bus limits maximum throughput

The UHS-I bus caps sequential transfer at 100 MB/s, so the card cannot exceed that ceiling even if the host device is faster. Devices limited to the older high-speed bus will operate below the rated read speed. Buyers needing sustained write rates above 10 MB/s or bus speeds beyond UHS-I should choose a card with a higher speed class or a newer interface.

How it compares

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

Price $16.99
Cheaper than about 84% of the 1,947 comparable items (median $46.99).
Total capacity 64 GB
Typical for this category: the median of 1,132 items is 64 GB.
Price per TB $265.47 per TB
Cheaper than about 67% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Total capacity64 GB
Product typeSecure Digital Extended Capacity (SDXC)
Performance
Speed classClass 10
Storage
Memory card formatFull Size SD

Questions about this item

How much power does the 64GB SDXC card draw during all-day use?

The card has no moving parts, so it conserves battery power and maximises battery life in portable devices.

What device slot is required for this full-size SD card to work?

It needs a standard SDXC-compatible slot that supports UHS-I U1 speeds.

Will the Class 10 100MB/s card slow down an older camera that only supports slower SD standards?

The card is backwards compatible with older SD hosts, though write speed will be limited by the host's maximum capability.

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