- 256GB Storage Capacity
- UHS-I / U1 / Class 10
- Max Read Speed: 95 MB/s
- Max Write Speed: 45 MB/s
Upgrade the storage and performance of your mobile device using the 256GB 300S UHS-I microSDXC Memory Card from Transcend. Designed to retrieve small pieces of data from random locations and improving app launch times, the 300S has a capacity of 64GB, supports the UHS-I bus, and features a speed class rating of U1 / Class 10, which guarantees minimum write speeds of 10 MB/s. Read speeds are supported up to 95 MB/s and write speeds max out at 45 MB/s, also making this card suitable for Full HD video, plus raw and JPEG still photos and bursts.
As with most Transcend cards, this memory card is shockproof, X-ray proof, and waterproof, while also being able to withstand static, plus temperatures from -13 to 185°F, allowing you to take this card with you into extreme environments. Should the card’s data become compromised, you also benefit from Transcend’s free RecoveRx software for to help recover deleted content, including photos, documents, music, and videos. So that this card may be used in SD-compatible devices, a microSD to SD adapter is included.
A Good Fit for Mobile App StorageIt’s common for users to install and run mobile apps from microSD cards in order to free up space on their device, making random read/write performance crucial. Transcend’s 300S is a good fit for storing mobile apps.
Transfer CapabilitiesTranscend’s 300S memory cards meet both the UHS Speed Class 1 (U1) and Class 10 standards for Full HD video recording, with read and write speeds of up to 95 MB/s and 45 MB/s respectively, plus minimum write speeds of 10 MB/s.
Store Apps, Photos, and VideosIn addition to strong random read/write performance, Transcend’s 300S memory cards feature a storage capacity of 64GB, allowing you to keep more digital files and apps at hand.
Built for Extremes
To deliver improved performance and stability, Transcend’s 300S microSD memory cards are tested to withstand extreme conditions.
Meets JIS IPX7 standards that can withstand immersion in 3.3′ of water for up to 30 minutes.
Can operate in extreme temperatures ranging from -13 to 185°F.
Meets EMC IEC61000-4-2 standards and withstand static electricity.
Meet the ISO7816-1 standard to resist airport X-rays.
Provides resistance against shock, vibrations, bending, and twisting.
RecoveRx SoftwareTranscend offers RecoveRx software, a free data recovery utility that allows you to search within a storage device for traces of erased files, including digital photos, documents, music, and videos.
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