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Small black microSDHC card with red and gold SanDisk Extreme PRO branding

SanDisk

SanDisk Extreme PRO 64GB microSDHC UHS-I U3 95MB/s memory card

SKU CH-8PST-44AYD

64 GB microSDHC card rated UHS-I U3 Class 10 with 95 MB/s read speed for 4K video and fast transfers

  • typemicroSDHC
  • Capacity64GB
  • Speed Class RatingUHS-I / Class 10
  • Read Speed95 MB/s
  • Up to 95 MB/s read speed for rapid file transfers
  • UHS-I U3 rating supports 4K Ultra HD video recording
  • Up to 90 MB/s write speed enables burst-mode shooting
  • 64 GB capacity holds thousands of photos and videos
  • Durable waterproof, temperature-proof and shockproof construction

Capacity & Speed Class

This 64GB microSDHC card carries a UHS-I interface with Class 10 and U3 ratings, delivering read speeds up to 95MB/s and write speeds up to 90MB/s. It is built for smartphones, tablets and cameras that need sustained performance for 4K Ultra HD video and burst-mode photography. The generous capacity holds thousands of high-resolution photos and HD video clips.

Upgrade Path

The card replaces slower Class 10 or U1 media that cannot sustain 4K recording or rapid burst shooting without dropped frames. The jump is worth it when your device demands U3 write performance for Full HD and 4K Ultra HD workflows, or when transfer bottlenecks slow down offloading large files. Older cards lacking UHS-I speeds will not keep pace with current recording standards.

Installation & Risks

Installation is a simple matter of inserting the card into a compatible microSDHC or microSDXC slot; no drivers or tools are required. The card is waterproof, temperature-proof and shockproof, reducing the chance of physical failure in harsh conditions. The main risk is using it in a device that only supports standard microSD capacities, which will not recognise the 64GB volume.

Highlights

  • Up to 95 MB/s read speed for rapid file transfers
  • UHS-I U3 rating supports 4K Ultra HD video recording
  • Up to 90 MB/s write speed enables burst-mode shooting
  • 64 GB capacity holds thousands of photos and videos
  • Durable waterproof, temperature-proof and shockproof construction

Specifications

BrandSanDisk
typemicroSDHC
Capacity64GB
Speed Class RatingUHS-I / Class 10
Read Speed95 MB/s

Questions about this item

Does this 64GB microSDHC card fit a standard microSD slot?

Yes, the card uses the microSDHC form factor, so it fits any device with a standard microSD slot that supports the SDHC capacity range.

What is the common mistake when inserting this UHS-I U3 card?

Inserting the card upside down or forcing it past the click point; align the gold contacts down and push until it locks with a soft click.

When should I replace this waterproof, shockproof card?

Replace it if you notice sustained write speeds dropping well below the rated 90 MB/s, file corruption appears, or the card becomes unreadable in multiple devices.

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