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Small red and black microSDHC card with SanDisk Extreme branding

SanDisk

SanDisk Extreme 32GB microSDHC V30 U3 UHS-I memory card

SKU CH-MJMX-N8Q2S

32 GB microSDHC card rated V30 U3 with up to 100 MB/s read and 60 MB/s write for 4K video, built waterproof, shockproof, temperature-proof and X-ray-proof

  • Total capacity32 GB
  • Memory card formatMicroSD
  • Speed classV30
  • Max read speedUp to 100 MB/s
  • Write throughputUp to 60 MB/s
  • VariantNo Adapter
  • Records 4K Ultra HD and Full HD video with V30 speed class
  • Transfers files quickly at up to 100MB/s read speed
  • Writes data fast at up to 60MB/s for smooth capture
  • Survives harsh environments with water, temperature, shock and X-ray protection
  • Includes RescuePRO Deluxe software to recover accidentally deleted files

SanDisk Extreme 32GB microSDHC V30 U3 UHS-I

This 32GB microSDHC card carries V30 and U3 speed ratings for sustained 4K Ultra HD and Full HD video capture. Read speeds reach up to 100MB/s and write speeds up to 60MB/s. It is built temperature proof, water proof, shock proof and X-ray proof for action cameras and drones. The Extreme series targets creators who need reliable performance in harsh environments.

Upgrading from slower Class 10 or U1 cards

Moving to V30 eliminates frame drops during high-bitrate 4K recording that lesser cards cannot sustain. The jump is worth it when your device writes at or near 30MB/s continuous and you need guaranteed minimum throughput. Cards rated only for lower video speed classes will throttle and risk corrupted footage under the same load.

Verify your device supports microSDHC and UHS-I

Check that the host accepts microSDHC capacity and can utilise UHS-I bus speeds for the rated transfer rates. Confirm the card slot is not limited to standard SDHC speeds which would cap performance below the advertised 100MB/s read. No adapter is included so ensure your reader or device takes microSD directly.

How it compares

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

Price $28.99
Cheaper than about 66% of the 1,947 comparable items (median $46.99).
Total capacity 32 GB
Lower than about 70% of the 1,132 comparable items (median 64 GB).
Price per TB $905.94 per TB
Pricier than about 82% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineExtreme
Model nameSDSQXAF-032G-GN6MA
Total capacity32 GB
Product typeMicroSDHC
Performance
Speed classV30
Max read speedUp to 100 MB/s
Write throughputUp to 60 MB/s
Storage
Memory card formatMicroSD
More details
VariantNo Adapter

Questions about this item

Does this 32 GB microSDHC card need an adapter to fit a full-size SD slot?

The card is microSDHC size; the listed option says no adapter is included, so you must supply your own SD adapter for full-size slots.

What is the correct way to insert the card so the UHS-I interface runs at up to 100 MB/s read?

Align the gold contacts facing down and push gently until it clicks; forcing it backwards can bend the contact pins and drop the link to a lower speed.

When should I replace this V30 card to keep 4K video recording reliable?

Replace it if write speeds fall below 30 MB/s sustained, if the card reports errors during 4K capture, or after heavy daily use over several years.

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