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Two small black microSDXC cards with red labels, 64GB each, Class 10

SanDisk

SanDisk Ultra 64GB microSDXC Class 10 2-pack SDSQUNS-064G-GN3MN

SKU CH-07MY-91MGH

Two 64 GB Class 10 microSDXC cards for phones, cameras and other portable devices

  • TypemicroSDXC
  • Card typeMicroSD
  • Capacity64GB
  • Speed Class RatingClass 10
  • Two 64 GB cards for expanded storage
  • Class 10 rating guarantees minimum 10 MB/s write speed
  • microSDXC format fits phones, cameras and drones
  • Compact size with no moving parts resists shocks
  • Includes two cards ready for immediate use

Two-Card Kit for Mobile Expansion

This twin pack supplies two 64 GB microSDXC cards for phones, action cameras or drones that accept the XC format. Each card carries a Class 10 rating, guaranteeing a minimum sequential write speed of 10 MB/s for smooth Full HD video recording. The bundle suits users who want spare media on hand without opening multiple single packs.

Sustained Write Performance

Class 10 certification means the cards maintain at least 10 MB/s during continuous capture, so video bit-rates stay steady across long clips. The XC architecture supports capacities up to 512 GB, but these 64 GB units keep file counts manageable for quick offloads. Performance scales with the host device's bus speed, so maximum throughput depends on the reader or gadget used.

Format Compatibility Decides Fit

microSDXC cards work only in devices explicitly labelled SDXC or UHS-I ready; older SD or SDHC hosts will not recognise the 64 GB capacity. Check the product manual or specification sheet for the SDXC logo before purchase. Adapters allow physical fit in full-size SD slots, but the host must still support the XC file system.

Highlights

  • Two 64 GB cards for expanded storage
  • Class 10 rating guarantees minimum 10 MB/s write speed
  • microSDXC format fits phones, cameras and drones
  • Compact size with no moving parts resists shocks
  • Includes two cards ready for immediate use

Specifications

BrandSanDisk
TypemicroSDXC
Card typeMicroSD
Capacity64GB
Speed Class RatingClass 10

Questions about this item

Does the Class 10 rating keep the cards cool and power-efficient during long recording sessions?

Class 10 specifies a minimum sustained write speed of 10 MB/s. The cards have no moving parts and draw very little power, so they stay cool during continuous use in phones, action cameras or dash cams.

What device slot or adapter do I need to use these microSDXC cards?

You need a microSDXC-compatible slot. Older microSD or microSDHC-only slots cannot address 64 GB. A passive microSD-to-SD adapter lets the cards fit full-size SD slots, but the host must still support the SDXC format.

Will these 64 GB cards work in my older camera that only takes microSDHC up to 32 GB?

No. The microSDXC format starts at 64 GB and uses the exFAT file system. Devices limited to microSDHC (4 GB–32 GB) cannot recognise or format these cards, even with an adapter.

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