microSDHC/SDXC420T

Transcend's microSDXC/SDHC 420T memory cards, which use high-quality 3D NAND flash and are rated to withstand 3K P/E cycles, combine the advantages of high performance and exceptional endurance at an affordable price, making them ideal for write-intensive applications such as medical devices, surveillance systems and POS terminals.

Change in Data Reading

Garbage collection

Wear leveling

Defective block management

Early Move

Features

FIRMWARE FEATURES

  • Integrated ECC (Error Correction Code) function
  • Early Move
  • Wear leveling

HARDWARE FEATURES

  • Complies with RoHS standards
  • Electrostatic protection (ESD IEC 61000-4-2)
  • Complies with SD 5.1 specification
  • UHS-I compliant
  • Complies with Speed Class 10
  • Complies with Class 1 Application Performance (A1)
  • Endurance: 3K P/E (Program/Exit) 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
FALL TEST - 1.5m 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-sinusoidal wave, speed change: 3.44 m/s)
VIBRATION (WORKING) 20 G (Peak-to-Peak), 20 Hz ~ 2,000 Hz (frequency)

FOOD
CONSUMPTION (MAX.) 0.5 Watt(s)

PERFORMANCE
READING SPEED (MAX.) Up to 95 MB/s
WRITING 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) indicates the endurance under the highest capacity.

 

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