Utilizing top-quality 3D NAND Flash and rated to endure 3K P/E cycles, Transcends 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

*Transcends 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 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)
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 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.