microSD Cards

USD420T

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.


Technologies

Read Disturbance

Garbage Collection

Wear Leveling

Bad Block Management

Power Shield (PS)

Early Move

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 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
  • Power Shield (PS) to ensure data transfer integrity and minimize data corruption in the drive during an abnormal power outage
*Transcend's microSDHC 420T 16GB features 3D NAND flash, UHS-I, and a 1K P/E cycle endurance rating
*Scope Pro is available on Windows OS only when the RDF5 is used with the SD/microSD cards.

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
  • 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.

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