microSDHC/SDXC420T

Utilizing top quality 3D NAND Flash and rated to endure 3K P/E cycles, Transcend’s microSDXC/SDHC 420T memory cards combine the advantages of high performance and exceptional endurance at an affordable price, making them perfect for write intensive applications such as medical devices, surveillance systems, and POS terminals.

Read Disturbance

Garbage Collection

Wear Leveling

Bad Block Administration

Early Move

Specifications

FIRMWARE FEATURES

  • Built in ECC (Error Correction Code) functionality
  • Early Move
  • Wear Leveling

HARDWARE FEATURES

  • Compliant with RoHS standards
  • Electrostatic protection (ESD IEC 61000-4-2)
  • Compliant with SD 5.1 specification
  • Compliant with UHS-I
  • Compliant with Video Speed Class 10
  • Compliant with Application Performance Class 1 (A1)
  • Endurance: 3K P/E cycles (Program/Erase cycles) guaranteed

SPECIFICATIONS

APPEARANCE
DIMENSIONS 11 mm x 15 mm x 1 mm (0.43″ x 0.59″ x 0.04″)
FORM FACTOR
  • MicroSD card

STORAGE
FLASH TYPE
  • 3D NAND flash
CAPACITY
  • 16 GB/
  • 32 GB/
  • 64 GB/
  • 128 GB/
  • 256 GB/
  • 512 GB

OPERATING ENVIRONMENT
OPERATING VOLTAGE
  • 2.7V ~ 3.6V
DROP TEST
  • 1.5 m free fall
OPERATING TEMPERATURE
  • Standard

    -25°C (-13°F) ~ 85°C (185°F)
STORAGE TEMPERATURE -40°C (-40°F) ~ 85°C (185°F)
HUMIDITY 0% ~ 95%
SHOCK
  • Acceleration: 490 m/s² (standard holding time: 11 ms, semi sine wave, velocity change: 3.44 m/s)
VIBRATION (OPERATING) 20 G (peak to peak), 20 Hz ~ 2,000 Hz (frequency)

POWER
POWER CONSUMPTION (MAX) 0.5 watt(s)

PERFORMANCE
READ SPEED (MAX) Up to 95 MB/s
WRITE SPEED (MAX) Up to 70 MB/s
TERABYTES WRITTEN (TBW) Up to 1,280 TBW
NOTE
  • Speed may vary due to host hardware, software, usage, and storage capacity.
  • Terabytes Written (TBW) expresses the endurance under the highest capacity.

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