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Small red microSD card with SanDisk Extreme branding

SanDisk

SanDisk Extreme microSD 64GB SDSQXH9-064G-GZ6MA memory card

SKU CH-A0XN-N66A2 MPN SDSQXH9-064G-GZ6MA

A 64GB microSD card rated A2, U3 and V30 with read speeds up to 170MB/s and write speeds up to 80MB/s for 5.3K and 4K video capture

  • Card typeMicroSD
  • TypeMicroSD
  • Capacity64GB
  • Speed Class RatingA2 / U3 / V30
  • Read SpeedUp to 170MB/s
  • Write SpeedUp to 80MB/s

Capacity Extreme® 64GB

Show 1 more configurations
  • QuickFlow™ Card Reader

Struck-through versions exist but are not stocked here.

  • Fast reads up to 170MB/s for quick transfers
  • Write speeds up to 80MB/s capture 5.3K video smoothly
  • A2 U3 V30 ratings ensure responsive app performance
  • 64GB capacity stores hours of high-res footage
  • Built waterproof, shockproof, temperature-proof for extreme conditions

Capacity and purpose

The SanDisk Extreme microSD card provides 64GB of storage for action cameras, drones and Android devices. Its A2, U3 and V30 ratings support 5.3K and 4K UHD video capture as well as high-resolution stills. The card targets creators who need reliable capacity in a compact form factor. It is not suited for users who require larger capacities or higher sustained write speeds for professional cinema workflows.

Thermals and power

Solid-state construction means the card generates negligible heat and operates silently during normal read and write cycles. Power draw is minimal, allowing extended recording sessions on battery-powered devices without noticeable impact. The design has no moving parts, so there are no fan or thermal-throttling concerns in typical use.

Build and connectors

The microSD form factor fits directly into compatible slots on cameras, drones, phones and handheld consoles. SanDisk rates the card as temperature proof, humidity proof, waterproof, shock proof, drop proof, magnet proof and X-ray proof for durability in harsh environments. An included adapter enables use in full-size SD slots when needed.

Highlights

  • Fast reads up to 170MB/s for quick transfers
  • Write speeds up to 80MB/s capture 5.3K video smoothly
  • A2 U3 V30 ratings ensure responsive app performance
  • 64GB capacity stores hours of high-res footage
  • Built waterproof, shockproof, temperature-proof for extreme conditions

Specifications

BrandSanDisk
Card typeMicroSD
SeriesExtreme
ModelSDSQXH9-064G-GZ6MA
TypeMicroSD
Capacity64GB
Speed Class RatingA2 / U3 / V30
Read SpeedUp to 170MB/s
Write SpeedUp to 80MB/s
Features• CAPTURE LARGER THAN LIFE. Unlock startling 5K point-of-view and pristine high-res stills with video speed class ratings of U3 and V30.
• SPEED BARRIERS SHATTERED. Save precious moments with rapid read speeds up to 170MB/s and write speeds up to 80MB/s [64GB].
• MAXIMIZE WITH MASSIVE CAPACITY. Record longer and store more with up to 2TB of storage.
• DURABILITY YOU CAN COUNT ON. SANDISK® microSD™ cards are temperature proof, humidity proof, waterproof, shock proof, drop proof, magnet proof, X-ray proof and wear-out proof.
• EASY CONTENT MANAGEMENT. Easily back up, organize, and tran
Shipping weight0.05 kg
Package size152 × 102 × 6 mm

Other versions of this model

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Questions about this item

How do I install the SanDisk Extreme microSD 64GB SDSQXH9-064G-GZ6MA and what step is often missed?

Insert the card label-side up into the device's microSD slot until it clicks; the step often missed is formatting the card in the device before first use to ensure the A2, U3 and V30 speed classes are recognised correctly.

What maintenance or replacement will the SanDisk Extreme microSD 64GB SDSQXH9-064G-GZ6MA need later?

No scheduled maintenance is required; the card is temperature proof, waterproof, shock proof, drop proof, magnet proof and X-ray proof, so replacement is only needed if the 64GB capacity is exceeded or the card is physically damaged.

What limit appears first on the SanDisk Extreme microSD 64GB SDSQXH9-064G-GZ6MA during sustained 5.3K or 4K UHD recording?

The 80MB/s maximum write speed is the first bottleneck; continuous high-bitrate capture at V30 (30MB/s sustained) can approach this ceiling, causing the camera to stop recording if the buffer fills.

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