SD Cards

SDC420T

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
  • Supports password protection and secure erase via Scope Pro

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
  • Endurance: 3K P/E cycles (Program/Erase cycles) guaranteed
  • Power Shield (PS) to ensure data transfer integrity and minimize data corruption in the drive during an abnormal power outage
*Scope Pro is available on Windows OS only when the RDF5 is used with the SD/microSD cards.

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
  • 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.)2.88 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
  • UKCA
  • 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

16GB
  • TS16GSDC420T SDHC, C10, U1
32GB
  • TS32GSDC420T SDHC, V10, U1, A1
64GB
  • TS64GSDC420T SDXC, V10, U1, A1
128GB
  • TS128GSDC420T SDXC, V10, U1, A1
256GB
  • TS256GSDC420T SDXC, V10, U1, A1