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Small white microSDHC card with red and black label text

SAMSUNG

SAMSUNG PRO Endurance 32GB microSDHC MB-MJ32KA/AM memory card

SKU CH-74ZN-PPGJC MPN MB-MJ32KA/AM

A 32 GB microSDHC card rated UHS-I U1, Class 10 and V10 with up to 100 MB/s read and 30 MB/s write speeds

  • TypemicroSDHC
  • Capacity32GB
  • Speed Class RatingUHS-I / U1 / Class 10 / V10
  • Read SpeedUp to 100 MB/s
  • Write SpeedUp to 30 MB/s

Capacity 32GB

  • Up to 100 MB/s read speed for fast data access
  • Up to 30 MB/s write speed supports continuous recording
  • 32GB capacity stores hours of footage
  • UHS-I U1 Class 10 V10 rating meets dashcam requirements
  • New condition ensures full manufacturer reliability

Built for continuous recording

The Samsung PRO Endurance 32GB microSDHC card targets users who need reliable storage for dash cams, security cameras or other devices that write video around the clock. Its V10 and U1 ratings guarantee a minimum sustained write speed of 10 MB/s, keeping footage intact during long sessions.

Not suited for burst workflows

Photographers who shoot rapid RAW bursts or videographers capturing high-bitrate 4K will find the 30 MB/s maximum write speed limiting. Buyers who need more storage capacity or faster sequential writes should consider higher-capacity or higher-speed alternatives.

Steady under constant load

In always-on recording scenarios the card maintains its rated write performance without the thermal throttling that can affect standard cards during extended use. Read speeds up to 100 MB/s allow quick offload of recorded files when the shift ends.

Highlights

  • Up to 100 MB/s read speed for fast data access
  • Up to 30 MB/s write speed supports continuous recording
  • 32GB capacity stores hours of footage
  • UHS-I U1 Class 10 V10 rating meets dashcam requirements
  • New condition ensures full manufacturer reliability

Specifications

BrandSAMSUNG
SeriesPRO Endurance
ModelMB-MJ32KA/AM
TypemicroSDHC
Capacity32GB
Speed Class RatingUHS-I / U1 / Class 10 / V10
Read SpeedUp to 100 MB/s
Write SpeedUp to 30 MB/s
Shipping weight0.02 kg
Package size153 × 102 × 1 mm

Other versions of this model

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Questions about this item

Does my dash-cam or security camera need a UHS-I / U1 / Class 10 / V10 slot to use this 32 GB card?

Yes — the device must accept microSDHC cards and support the UHS-I / U1 / Class 10 / V10 speed class for the card to operate at its rated speeds.

Will this microSDHC card work in an older camera that only takes standard SDHC cards?

It will work if you use a microSD-to-SD adapter, but the host device must still support the UHS-I / U1 / Class 10 / V10 specification to reach the quoted 100 MB/s read and 30 MB/s write rates.

How can I verify the card is delivering the advertised 100 MB/s read and 30 MB/s write performance after I install it?

Run a benchmark tool such as CrystalDiskMark or Blackmagic Disk Speed Test on a PC; sustained sequential results near 100 MB/s read and 30 MB/s write confirm the card is performing to spec.

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