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Standard blue SDHC card with white Ultra label, 32 GB capacity

SanDisk

SanDisk SDSDUNB-032G-GN3IN 32GB Ultra SDHC memory card

SKU CH-TBWC-7N71K MPN SDSDUNB-032G-GN3IN

A 32 GB SDHC card rated Class 10 and UHS-I U1 with a maximum read speed of 48 MB/s

  • TypeSecure Digital High-Capacity (SDHC)
  • Card typeFull Size SD
  • Capacity32GB
  • Speed Class RatingUHS-I
  • 32 GB capacity stores thousands of photos and videos
  • Class 10 UHS-I U1 rating supports Full HD video recording
  • Up to 48 MB/s read speed transfers files quickly
  • Standard full-size SD form factor fits most cameras and readers
  • Compact 1.3" x .9" dimensions slip easily into a card wallet

Purpose-built capacity

This SanDisk Ultra SDHC card delivers 32 GB of storage for cameras and devices that accept full-size SD media. It serves photographers and videographers who need reliable space for high-resolution images and Full HD footage. The Class 10 and UHS-I (U1) ratings guarantee minimum sustained write performance for continuous shooting. Users who require capacities above 32 GB or faster bus speeds should consider other options.

Thermal and power profile

Solid-state construction means the card generates negligible heat during read or write operations. No active cooling is required and the device runs silently in any host slot. Power draw is limited to the low levels defined by the SDHC specification, so battery life in cameras and handheld recorders is unaffected. The card operates within standard industrial temperature ranges for flash memory.

Build and daily handling

The full-size SD form factor measures 1.3 inches long by .9 inches wide with a thickness of 82.7 mil, fitting every standard SDHC/SDXC slot without adapters. A built-in write-protect switch prevents accidental data loss when the card is moved between devices. Durable moulded housing resists everyday handling, while the contact layout ensures reliable insertion cycles. The package includes the memory card only.

Highlights

  • 32 GB capacity stores thousands of photos and videos
  • Class 10 UHS-I U1 rating supports Full HD video recording
  • Up to 48 MB/s read speed transfers files quickly
  • Standard full-size SD form factor fits most cameras and readers
  • Compact 1.3" x .9" dimensions slip easily into a card wallet

Specifications

BrandSanDisk
ModelSDSDUNB-032G-GN3IN
TypeSecure Digital High-Capacity (SDHC)
Card typeFull Size SD
SeriesUltra
Capacity32GB
Speed Class RatingUHS-I
Shipping weight2.54 kg
Package size254 × 25 × 25 mm

Questions about this item

How do I insert the full-size SD card and which orientation mistake should I avoid?

Align the label side up with the notched corner entering the slot first; forcing it backwards can damage the 1.3 inch by .9 inch card or the device socket.

When should I replace this 32GB Ultra card to prevent data loss?

Replace it after heavy write cycles such as daily 48 MB/s transfers for several years, or immediately if files become unreadable or the card reports errors.

What sustained write speed limit will appear first during continuous recording?

The Class 10 UHS-I U1 rating guarantees a minimum 10 MB/s sequential write, so that floor is the first bottleneck during long captures.

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