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.
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
Store as many as you wish
In addition to excellent random read/write performance, Transcend's
microSDXC/SDHC 300S memory cards come in up to 256GB storage capacity,
allowing you to keep more digital files and apps at hand!
Built for extremes
To deliver the best performance and stability, Transcend's microSD
memory cards are tested to withstand extreme conditions.
- Waterproof: meet JIS IPX7 standards that can withstand immersion in 1
meter of water for up to 30 minutes.
- Temperature proof: perform in temperature extremes from -25°C to 85°C.
- Static proof: meet EMC IEC61000-4-2 standards and withstand static
- X-ray proof: meet the ISO7816-1 standard and are immune to airport
- Shock proof: provide excellent shock, vibration, bending and twisting
Speed Class: UHS-I U3, UHS-I U1, Class 10 , V30, A1
Sequential Read/Write (CrystalDiskMark): 512 GB 95/40 MB/s, 256GB 95/40
MB/s, 128GB 95/40 MB/s
Insertion/Removal Cycles: 10,000
Operating Temperature: -25°C (-13°F) ~ 85°C (185°F)
Operating Voltage : 2.7V ~ 3.6V
Note: Speed may vary due to host hardware, software, usage, and