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Blue rectangular SD card with SanDisk Ultra branding and 32GB capacity label

SanDisk

SanDisk Ultra 32GB Class 10 UHS-I SDXC Memory Card 100MB/s

SKU CH-39W1-JJN4K

Stores 32GB of photos and Full HD 1080p video with up to 100MB/s read speed for compact cameras

  • Total capacity32 GB
  • Memory card formatFull Size SD
  • Speed classClass 10
  • Max read speed100 MB/s
  • Write throughput50 MB/s
  • Product typeMemory Card
  • 32GB capacity stores thousands of photos and hours of 1080p video
  • Up to 100MB/s read speed transfers files quickly to your computer
  • Class 10 rating guarantees smooth Full HD video recording
  • Waterproof, shockproof, X-ray proof and temperature-proof durability protects your data
  • UHS-I interface works with compact to mid-range point-and-shoot cameras

32GB SDXC UHS-I card

The SanDisk Ultra SDXC card provides 32GB of storage in the full-size SD form factor. It is rated Class 10 and UHS-I with a maximum read speed of 100MB/s and a write speed of 50MB/s. The card is designed for compact to mid-range point-and-shoot cameras and camcorders. It is built to be waterproof, shockproof, x-ray proof and temperature-proof for durability in varied conditions.

For casual photo and Full HD video

This card suits photographers who shoot stills and 1080p video on entry-level cameras and want a simple, rugged media option. It is not intended for users who need sustained high-bitrate 4K recording or continuous burst shooting that exceeds the 50MB/s write limit. Buyers who require larger capacities for extended sessions should look at higher-capacity alternatives.

Fits standard SD slots and readers

The full-size SD form factor fits directly into any SDXC-compatible camera slot or card reader without an adapter. UHS-I support allows the 100MB/s read speed when paired with a compatible host, speeding up offloads to a computer. The 32GB capacity lets you capture many photos and hours of 1080p footage before swapping cards. No external power or special drivers are required.

How it compares

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

Price $17.99
Cheaper than about 82% 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 $562.19 per TB
Pricier than about 68% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineUltra
Model nameSDSDUNR
Part numberSDSDUNR-032G-GN3IN
Total capacity32 GB
Product typeMemory Card
Performance
Speed classClass 10
Max read speed100 MB/s
Write throughput50 MB/s
Storage
Memory card formatFull Size SD

Questions about this item

Does my camera need a UHS-I slot and SDXC support to use the 32 GB SanDisk Ultra card?

Yes — the card is UHS-I and SDXC, so the host device must accept both to reach the rated speeds and capacity.

Can I keep using my older Class 10 card reader with this 100 MB/s SanDisk Ultra card?

The card is backward compatible, but the reader will limit transfers to its own maximum speed, well below the card's 100 MB/s read rating.

How can I verify the card delivers the advertised 100 MB/s read and 50 MB/s write after setup?

Run a benchmark tool such as CrystalDiskMark or Blackmagic Disk Speed Test on a UHS-I reader and check that sequential read approaches 100 MB/s and write approaches 50 MB/s.

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