SDSQXH9-256G-GZ6MA - Western Digital SanDisk, Extreme Micro SDXC | Aztek Computers
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SKU: RCIN62TUGC |  Mfg. Part: SDSQXH9-256G-GZ6MA  | UPC: 619659228057  |  0 Reviews  |     Share

SDSQXH9-256G-GZ6MA - Western Digital SanDisk, Extreme Micro SDXC Memory Card, 256GB, UHS-I, 245MB/s (R), 170MB/s (W)

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Product Overview

Designed for microSD devices such as smartphones, drones, and action cameras that can capture Full HD and 4K video, as well as raw and burst photography, the 512GB Extreme UHS-I microSDXC Memory Card from SanDisk has a capacity of 512GB, is compatible with the UHS-I bus, and features a speed class rating of V30, which guarantees minimum write speeds of 30 MB/s. If your device does not support the V30 standard, this card also supports the U3 standard, which also guarantees minimum write speeds of 30 MB/s. Read speeds are supported up to 245 MB/s, and write speeds max out at 170 MB/s.



  • 256GB Storage Capacity
  • A2 / UHS-I / V30 / U3 / Class 10
  • Max Read Speed: 245 MB/s
  • Max Write Speed: 170 MB/s
  • Min Write Speed: 30 MB/s
  • Records Full HD, 3D, and 4K Video
  • Water / Shock / X-Ray Proof
  • Can Withstand Extreme Temperatures
  • SanDisk Memory Zone App

Expert Overview

The SanDisk Extreme Micro SDXC Memory Card, part number SDSQXH9-256G-GZ6MA, is a 256GB storage solution designed for devices requiring high-speed data capture. It is suitable for use in smartphones, drones, and action cameras that record Full HD and 4K video, as well as raw and burst photography. This card utilizes the UHS-I bus and is rated V30 and U3, ensuring a minimum sustained write speed of 30 MB/s. It supports maximum read speeds of 245 MB/s and maximum write speeds of 170 MB/s. The card is built to withstand challenging environments, offering resistance to water, shock, X-rays, and extreme temperatures. Its robust design and performance specifications make it appropriate for professional and field applications where reliable media capture is critical.

Product Details

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  • Western Digital
  • SDSQXH9-256G-GZ6MA
  • 619659228057
  • New
  • 0 lbs
  • 14 X 0 X 7
  • Sep 24, 2026
  • Aug 01, 2026
Product Identifiers: Brand: Western Digital • Part #: SDSQXH9-256G-GZ6MA • UPC: 619659228057 • Category: Memory Cards

Frequently Asked Questions

What devices are compatible with this memory card?

This memory card is designed for microSD devices such as smartphones, drones, and action cameras that can capture Full HD and 4K video, as well as raw and burst photography.

What are the maximum read and write speeds of this card?

The card supports maximum read speeds of 245 MB/s and maximum write speeds of 170 MB/s.

What is the minimum guaranteed write speed?

This card features a speed class rating of V30 and U3, which guarantees minimum write speeds of 30 MB/s.

Does this memory card offer protection against environmental factors?

Yes, the card is water, shock, and X-ray proof, and can withstand extreme temperatures.

SDSQXH9-256G-GZ6MA - Western Digital SanDisk, Extreme Micro SDXC Memory Card, 256GB, UHS-I, 245MB/s (R), 170MB/s (W)

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$89.15