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Red microSD card with adapter on white background

SanDisk

SanDisk Extreme 128GB MicroSDHC UHS-I 160MB/s U3 V30 A2

SKU CH-TVG6-R2D5N

A 128GB microSD card rated U3 V30 A2 with up to 160MB/s read and 90MB/s write speeds for 4K UHD video and fast app loading

  • Card typeMicroSD
  • TypeMicroSD
  • Capacity128GB
  • Read Speedup to 100 MB/s
  • Write Speedup to 60 MB/s
  • OptionN/A

Capacity 128GB

  • Up to 160 MB/s read speed for quick file transfers
  • 90 MB/s write speed captures fast-action photos and 4K UHD video
  • U3 and V30 ratings guarantee sustained video recording performance
  • A2 rating delivers 4000 read IOPS and 2000 write IOPS for faster app loading
  • Temperature-proof, water-proof, shock-proof and X-ray-proof durability

128 GB MicroSDHC UHS-I Card

The SanDisk Extreme microSDHC card provides 128 GB of storage for smartphones, action cameras, drones and interchangeable-lens cameras. It uses the UHS-I interface and carries U3, V30 and A2 ratings for sustained video capture and app performance. A full-size SD adapter is included for broader device compatibility.

Best for 4K UHD video and app-heavy phones

This card suits creators recording 4K UHD or 5K video at a minimum 30 MB/s sustained write rate and users who want faster app loading via A2-rated random read of 4000 IOPS and write of 2000 IOPS. Buyers who need more storage capacity or higher sustained write speeds for professional cinema codecs should look at larger or faster media.

Sustained write holds at 90 MB/s for long clips

Sequential write reaches up to 90 MB/s and maintains the V30 guarantee during extended 4K or 5K recording sessions without dropping below the rated floor. Read speeds peak at 160 MB/s, or up to 190 MB/s when paired with a compatible SanDisk Professional reader. The card is temperature-proof, water-proof, shock-proof and X-ray-proof for reliable operation in harsh environments.

Highlights

  • Up to 160 MB/s read speed for quick file transfers
  • 90 MB/s write speed captures fast-action photos and 4K UHD video
  • U3 and V30 ratings guarantee sustained video recording performance
  • A2 rating delivers 4000 read IOPS and 2000 write IOPS for faster app loading
  • Temperature-proof, water-proof, shock-proof and X-ray-proof durability

Specifications

BrandSanDisk
Card typeMicroSD
SeriesSDSQXAF-032G-GN6MA
ModelSDSQXAF-032G-GN6MA
Part NumberSDSQXAF-032G-GN6MA
TypeMicroSD
Capacity128GB
Read Speedup to 100 MB/s
Write Speedup to 60 MB/s
OptionN/A

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Questions about this item

What host device speed class is required to reach the 160 MB/s read and 90 MB/s write rates?

A UHS-I interface that supports the U3 and V30 ratings is needed to achieve the stated 160 MB/s read and 90 MB/s write speeds.

Will this card work in an older camera that only supports UHS Speed Class 1?

Yes, it is backward compatible with UHS-I Class 1 devices, though read and write performance will be limited to that host's maximum capability.

How can I verify the A2 rating is delivering 4000 read IOPS and 2000 write IOPS after setup?

Run a synthetic benchmark such as CrystalDiskMark or A1 SD Bench on the host device and confirm the measured random read and write IOPS meet or exceed the rated figures.

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