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Small red microSDXC card with full-size SD adapter

SanDisk

SanDisk Extreme SDSQXAV-512G-GN6MA 512GB microSDXC memory card

SKU CH-VY9N-2MES6 MPN SDSQXAV-512G-GN6MA

512GB microSDXC card with 190MB/s read and 130MB/s write speeds for 4K UHD capture and A2 app performance

  • Total capacity512 GB
  • Speed classUHS-I / U3 / Class 10 / A2 / V30
  • Max read speed190 MB/s
  • Write throughput130 MB/s
  • Product typeMicroSDXC
  • Key featuresUp to 190 MB/s read speed, up to 130 MB/s write [256 GB-1 TB

Capacity 512GB

  • Transfer media faster with SanDisk QuickFlow Technology
  • Write speeds up to 130MB/s for rapid shooting
  • Read speeds up to 190MB/s with PRO-READER
  • Capture 4K UHD video with V30, U3, A2 ratings
  • Shock, temperature, water and X-ray proof durability

Extreme 512GB microSDXC UHS-I card

This SanDisk Extreme microSDXC card delivers 512GB of storage with UHS-I interface speeds. It reaches up to 190MB/s read and 130MB/s write, rated U3, V30, Class 10 and A2. The card is built to withstand shock, temperature extremes, water and X-rays, and includes a standard SD adapter for broader device compatibility.

For action cameras, drones and 4K video workflows

Photographers and videographers capturing 4K UHD or Full HD footage will benefit from the sustained V30 write performance. App Performance Class 2 support helps mobile devices and handheld consoles load apps faster. Users who need guaranteed minimum write speeds above 30MB/s for 8K or high-bitrate cinema codecs should consider cards with higher video speed class ratings.

V30 sustained write speed decides suitability

The Video Speed Class 30 (V30) rating guarantees a minimum sequential write of 30MB/s, which is the key figure for uninterrupted 4K recording. If your device or workflow demands a higher guaranteed minimum write speed, this card will not meet that requirement.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $145.99
Pricier than about 81% of the 1,947 comparable items (median $46.99).
Total capacity 512 GB
Higher than about 90% of the 1,132 comparable items (median 64 GB).
Price per TB $285.14 per TB
Cheaper than about 62% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineExtreme
Model nameSDSQXAV-512G-GN6MA
Total capacity512 GB
Product typeMicroSDXC
Performance
Speed classUHS-I / U3 / Class 10 / A2 / V30
Max read speed190 MB/s
Write throughput130 MB/s
Size & build
Shipping weight0.01 kg
Package size173 × 112 × 8 mm

Other versions of this model

5 more in the same range

Questions about this item

What device do I need to reach the 190MB/s read speed shown on this 512GB Extreme card?

A SanDisk Professional PRO-READER SD and microSD reader is required to achieve the stated 190MB/s read speed; other readers may limit performance.

Will this U3 V30 A2 card work in an older camera that only supports Class 10 UHS-I?

Yes, the card is backward compatible with Class 10 UHS-I devices, though it will operate at the host device's maximum supported speed.

How can I verify the 130MB/s write speed is working after setup?

Use a high-quality USB 3.0 card reader and benchmark tool; avoid cheap readers as they can reduce measured speeds.

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