SD Cards

SDHC/SDXC420T

Utilizing top-quality 3D NAND Flash and rated to endure 3K P/E cycles, Transcend's SDXC/SDHC 420T memory cards combine the advantages of high performance and exceptional endurance at an affordable price, making them ideal for demanding industrial applications such as POS terminals as well as portable devices equipped with an SD memory card slot.

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 6.1
  • Compliant with UHS-I
  • Compliant with Video Speed Class 30 (V30)
  • Compliant with Application Performance Class 2 (A2)
  • Endurance: 3K P/E cycles (Program/Erase cycles) guaranteed

Specifications

Appearance

Dimensions24 mm x 32 mm x 2.1 mm (0.94" x 1.26" x 0.08")
Form Factor
  • SD flash card

Storage

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

Operating Environment

Operating Voltage
  • 2.7V ~ 3.6V
Drop Test
  • 1.5m free fall
Operating Temperature
  • Standard
    -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 100 MB/s
Write Speed (Max.)up to 85 MB/s
Terabytes Written (TBW)up to 1,350 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
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.

Order Information

32GB
  • TS32GSDC420T SDHC I, V10, U1, A1
64GB
  • TS64GSDC420T SDXC I, V10, U1, A1
128GB
  • TS128GSDC420T SDXC I, V10, U1, A1
256GB
  • TS256GSDC420T SDXC I, V10, U1, A1
512GB
  • TS512GSDC420T SDXC I, V30, U3, A2