Description
The Transcend USD300S microSD card series is engineered to meet the rigorous demands of modern mobile computing and digital photography. Utilizing high-quality 3D NAND flash technology, these cards deliver consistent read speeds up to 100MB/s, ensuring rapid file transfers and responsive application loading. Whether upgrading a smartphone's internal storage or capturing high-definition video, the USD300S provides a durable, high-performance solution backed by a five-year warranty.
This product is for:
- Mobile Gamers: Users requiring A1-rated performance for faster app launches and seamless gameplay on Android devices or handheld consoles.
- Content Creators: Videographers and photographers needing V30 and U3 speed classes for uninterrupted 4K and Full HD video recording.
- Outdoor Enthusiasts: Travelers using action cameras or drones who require storage that survives extreme temperatures, water, and shocks.
- Security-Conscious Users: Homeowners with dashcams or IP cameras looking for reliable, long-term storage for continuous surveillance footage.
- Professional Photographers: DSLR users who need a secondary storage option via the included SD adapter for high-resolution burst shooting.
Detailed specifications:
- Form Factor: microSDHC (32GB) / microSDXC (64GB-256GB)
- Interface: UHS-I Bus Interface
- Speed Class: Class 10, U1/U3, V30 (128GB+), A1
- Sequential Performance: Up to 100MB/s Read; Up to 35MB/s Write
- Durability: Waterproof (IPX7), Static-proof (EMC IEC61000-4-2), X-ray proof (ISO7816-1), Shockproof
- Operating Temperature: -25°C (-13°F) to 85°C (185°F)
- Dimensions: 11 mm x 15 mm x 1 mm; Weight: 0.4 g
In real-world usage, the Transcend USD300S excels in multitasking environments. The Application Performance Class 1 (A1) rating is particularly noticeable when moving apps to the SD card, as it maintains high random IOPS for smooth operation. During sustained video recording, the V30 Video Speed Class available on 128GB and 256GB models prevents frame drops, making it a dependable choice for 4K UHD capture. The inclusion of the RecoveRx software adds a layer of security, allowing users to easily retrieve accidentally deleted files.
Compared to standard Class 10 cards, the USD300S offers significantly better random access speeds due to its A1 certification, which is critical for mobile OS performance. While entry-level U1 cards may struggle with 4K bitrates, the 128GB and 256GB variants of the USD300S provide the V30 overhead necessary for high-bitrate video. Furthermore, its industrial-grade protection against X-rays and static electricity makes it more resilient for frequent travelers compared to generic consumer-grade flash media.
Q&A:
- Does the Transcend USD300S support 4K video recording? Yes, the 128GB and 256GB models feature V30 and U3 ratings, which are specifically designed for stable 4K UHD video capture.
- Can I use this card in my Nintendo Switch or Steam Deck? Absolutely; the UHS-I interface and A1 rating make it an excellent choice for expanding storage on handheld gaming consoles.
- Is this microSD card waterproof? The card is built to meet IPX7 standards, meaning it can withstand immersion in 1 meter of water for up to 30 minutes.
- What is the difference between the A1 and A2 ratings? A1 indicates a minimum random read of 1500 IOPS, while A2 is higher; the USD300S A1 rating ensures reliable performance for most standard mobile applications.
- Does it come with a warranty? Transcend provides a 5-year limited warranty, covering manufacturing defects and ensuring long-term reliability for your data.
