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| Basic Information | ||
| Type | Memory Card with Adapter | |
| Capacity | 128 GB | |
| Flash Type | 3D NAND flash | |
| Read Speed | Up to 100 MB/s | |
| Write Speed | Up to 85 MB/s | |
| Operating Voltage | 2.7V ~ 3.6V | |
| Operating Temperature | -25°C (-13°F) ~ 85°C (185°F) | |
| Physical Specifications | ||
| Dimension | 11 mm x 15 mm x 1 mm (0.43" x 0.59" x 0.04") | |
| Weight | 0.4 g (0.01 oz) | |
| Warranty Information | ||
| Warranty | 5 Years | |
The Transcend microSDXC/SDHC 300S cards are the right choice. Compliant with the latest speed class, the cards boast excellent random read/write speed, perfect for retrieving small pieces of data from random locations and speeding app launch time. It’s common for users to install and run mobile apps from microSD cards to the free device memory. Random read/write performance is thus crucial. Transcend's microSDXC/SDHC 300S memory cards are a great fit for storing mobile apps. The Application Performance Class was introduced to adapt to this new trend. Transcend's microSDXC/SDHC 300S memory cards meet the new A1 standards, delivering a minimum random read of 1,500 IOPS, random write of 500 IOPS, and a sustained sequential speed of at least 10MB/s. A1 compliance applies only to 32GB-512GB capacity cards. Transcend's microSDXC/SDHC 300S memory cards meet both the UHS Speed Class 3 (U3) and the UHS Video Speed Class 30 (V30) standards for 4K Ultra HD video recordings, with read/write speeds of up to 100MB/s and 85MB/s respectively. U3 and V30 compliance applies only to 128GB-512GB capacity cards. The Transcend microSDXC/SDHC 300S 128GB UHS-I U3 Memory Card with Adapter has a 5-years warranty.
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