Transcend microSDXC/SDHC 300S Memory Card - 128GB
Want to save space on your mobile device by running apps from a memory card? Transcend's 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.
A good fit for mobile app storage
It’s common for users to install and run mobile apps from microSD cards in order to 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.
Introducing Application Performance Class
The Application Performance Class was introduced to adapt this new trend. Transcend's microSDXC/SDHC 300S memory cards meet the new A1 standards, delivering minimum random read of 1,500 IOPS and random write of 500 IOPS, and sustained sequential speeds of at least 10MB/s.
A1 compliance applies only to 32GB-512GB capacity cards.
Show the transfer capabilities
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 95MB/s and 40MB/s respectively.
U3 and V30 compliance applies only to 128GB-512GB capacity cards.
- 11 mm x 15 mm x 1 mm (0.43" x 0.59" x 0.04")
- 0.4 g (0.01 oz)
- 128 GB
- 3D NAND flash
- -25°C (-13°F) ~ 85°C (185°F)
- 2.7V ~ 3.6V
- UHS-I U3
- UHS-I U1
- Class 10
Sequential Read/Write (CrystalDiskMark)
- 95/25 MB/s
Speed may vary due to host hardware, software, usage, and storage capacity.