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, making them ideal for write-intensive applications such as medical devices, surveillance systems, and POS terminals.

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

• Dimensions 11 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:128 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)

• Storage Temperature -40°C (-40°F) ~ 85°C (185°F)

• Humidity 0% ~ 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 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) 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.