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Small red microSDXC card with full-size SD adapter

SanDisk

SanDisk Extreme 256GB microSDXC UHS-I U3 A2 V30 190MB/s SDSQXAV-256G-GN6MA memory card

SKU CH-2245-AV0VF MPN SDSQXAV-256G-GN6MA

256 GB microSDXC card with up to 190 MB/s read and 130 MB/s write speeds for 4K UHD video and A2 app performance

  • TypemicroSDXC
  • Capacity256GB
  • Speed Class RatingUHS-I / U3 / Class 10 / A2 / V30
  • Read Speed190MB/s
  • Write Speed130MB/s
  • FeaturesUp to 190MB/s read speed, up to 130MB/s write [256GB-1TB] 4K

Capacity 256GB

Les versions barrées existent, mais ne sont pas disponibles ici.

  • Fast 190MB/s read speeds for quick media transfers
  • 130MB/s write speeds enable rapid burst shooting
  • U3 V30 A2 ratings guarantee smooth 4K UHD video capture
  • Shock water temperature and X-ray proof design protects data
  • SanDisk Memory Zone app simplifies file management on device

SanDisk Extreme 256GB microSDXC UHS-I U3 A2 V30

The SanDisk Extreme 256GB microSDXC card targets creators who need reliable 4K UHD and Full HD video capture. It carries U3, V30, A2 and Class 10 ratings for sustained write performance. The 256GB capacity suits extended shooting sessions. Buyers who need capacities beyond 1TB should look elsewhere.

Installation and common pitfalls

Insert the card into a compatible microSDXC slot or use the included full-size SD adapter for standard readers. To reach the advertised 190MB/s read speed, pair it with the SanDisk Professional PRO-READER SD and microSD over a USB 3.0 port. Low-quality readers or older USB ports often throttle throughput well below rated speeds. QuickFlow Technology helps streamline file transfers when used with supported software.

Deciding specification — UHS-I U3 V30 A2 speed class

The UHS-I U3 V30 A2 rating guarantees a minimum 30MB/s sequential write and the A2 app performance tier for faster app loading on supported devices. This combination determines whether the card can sustain 4K UHD recording without dropped frames. If your workflow demands sustained write speeds above 130MB/s or a different bus interface, this card will not meet the requirement.

Points forts

  • Fast 190MB/s read speeds for quick media transfers
  • 130MB/s write speeds enable rapid burst shooting
  • U3 V30 A2 ratings guarantee smooth 4K UHD video capture
  • Shock water temperature and X-ray proof design protects data
  • SanDisk Memory Zone app simplifies file management on device

Caractéristiques

BrandSanDisk
SeriesExtreme
ModelSDSQXAV-256G-GN6MA
TypemicroSDXC
Capacity256GB
Speed Class RatingUHS-I / U3 / Class 10 / A2 / V30
Read Speed190MB/s
Write Speed130MB/s
FeaturesUp to 190MB/s read speed, up to 130MB/s write [256GB-1TB]
4K UHD and Full HD Video
Compatible with SanDisk Professional PRO-READER SD and microSD to achieve stated read speeds
Class 10, App Performance Class 1 (A1) [32GB], App Performance Class 2 (A2) [64GB-1TB], Video Speed Class 30 (V30), UHS Speed Class 3 (U3)
SanDisk Memory Zone included
RescuePRO Deluxe one year file recovery software (download offer)
SD adapter included
Poids d’expédition0.01 kg
Dimensions du colis157 × 104 × 8 mm

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Questions sur cet article

How can I verify the 190MB/s read and 130MB/s write speeds after setup?

Use a USB 3.0 card reader and benchmark software to measure sequential read and write performance; avoid low-quality readers that can bottleneck the card.

What comes in the box and what must I purchase separately?

The package includes the 256GB microSDXC card and a full-size SD adapter; the SanDisk Professional PRO-READER is sold separately for maximum transfer rates.

Which capacity and speed class should I choose for 4K UHD recording?

This 256GB model carries U3, V30 and A2 ratings, delivering up to 130MB/s write speed — suitable for sustained 4K UHD and Full HD video capture.

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