microSD Cards

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. They are ideal for write-intensive applications such as medical devices, surveillance systems, and POS terminals, and are compatible with Raspberry Pi products.

*Raspberry Pi is a trademark of Raspberry Pi Trading.


Firmware Features

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

Hardware Features

  • Compliant with RoHS 2.0 standards
  • Electrostatic protection (ESD IEC 61000-4-2)
  • Compliant with SD specification 5.1
  • Compliant with UHS-I
  • Compliant with Speed Class 10
  • Compliant with Application Performance Class 1 (A1)
  • Endurance: 3K P/E cycles (Program/Erase cycles) guaranteed
*Transcend's microSDHC 420T 16GB features 3D NAND flash, UHS-I, and a 1K P/E cycle endurance rating

Specifications

Appearance

Dimensions11 mm x 15 mm x 1 mm (0.43" x 0.59" x 0.04")
Form Factor
  • microSD flash card

Storage

Flash Type
  • 3D NAND flash
Capacity
  • 16 GB
  • 32 GB
  • 64 GB
  • 128 GB
  • 256 GB

Operating Environment

Operating Voltage
  • 2.7V ~ 3.6V
Drop Test
  • 1.5m free fall
Operating Temperature
  • Standard Temp.
    -25°C (-13°F) ~ 85°C (185°F)
  • Wide Temp.
    °C (°F) ~ °C (°F)
Storage Temperature-40°C (-40°F) ~ 85°C (185°F)
Humidity0% ~ 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 40 MB/s
Terabytes Written (TBW)up to 640 TBW
Note
  • Speed may vary due to host hardware, software, usage, and storage capacity.
  • Terabytes Written (TBW) expresses the endurance under the highest capacity.

Warranty

Certificate
  • CE
  • FCC
  • UKCA
Warranty
  • Three-year Limited Warranty
Warranty Policy
  • Please click here for more information about the Transcend Warranty Policy.
  • Due to the complexity and variety of industrial applications, Transcend cannot guarantee 100% compatibility with all platforms and under all scenarios. For special applications and environments, it is strongly suggested that you contact Transcend beforehand for clarification.

Awards

Easy to Use Award

Gecid
Ukraine


Order Information

16GB
  • TS16GUSD420T microSDHC, C10, U1
32GB
  • TS32GUSD420T microSDHC, V10, U1, A1
64GB
  • TS64GUSD420T microSDXC, V10, U1, A1
128GB
  • TS128GUSD420T microSDXC, V10, U1, A1
256GB
  • TS256GUSD420T microSDXC, V10, U1, A1