128GB Micro SD Card V30 U3 A2 Class 10 | 32GB 64GB 256GB

OSMR Ultra High-Speed Micro TF/SD Card – More Storage, Faster Transfers

Expand your device's storage instantly with the OSMR Micro TF/SD Flash Memory Card. Available in 32GB, 64GB, 128GB, and 256GB capacities, this card is built for those who demand speed and reliability from their smartphones, cameras, drones, dashcams, tablets, and more. Rated Class 10 (C10), UHS-I U3, V30, and A2 — it's engineered to handle demanding tasks like 4K video recording and fast app loading with ease. Made in China.

Key Features

• High-Speed Performance: Read speeds up to 129 MB/s and write speeds up to 80 MB/s — ideal for capturing high-resolution photos and 4K video without lag.
• V30 / U3 / A2 Rated: Meets the Video Speed Class 30 standard, ensuring smooth, uninterrupted 4K recording. A2 rating supports fast app performance on Android devices.
• Wide Compatibility: Works with smartphones, tablets, cameras, MP3/MP4 players, dashcams, drones (UAVs), surveillance systems, robots, digital devices, and more.
• Plug & Play: No software installation required — simply insert and start using immediately.
• H2testw Verified: Supports H2testw integrity testing to ensure genuine capacity and data reliability.
• Wide Temperature Range: Operating temperature 0°C – 60°C; storage temperature -20°C – 85°C.

Specifications

About Displayed vs. Usable Capacity

Flash memory manufacturers calculate capacity using decimal notation (1 GB = 1,000,000,000 bytes), while your device's operating system uses binary notation (1 GB = 1,073,741,824 bytes). This means the usable capacity shown on your device will be slightly less than the labelled size — this is completely normal and not a defect.

• 32GB ≈ 28–29 GB usable
• 64GB ≈ 58–59 GB usable
• 128GB ≈ 95–119 GB usable
• 256GB ≈ 230–238 GB usable

Important Note

Before purchasing, please confirm your device supports the capacity you intend to buy. If your device only supports up to a specific card size (e.g., 4GB max), purchasing a higher-capacity card will result in the card not functioning correctly — this is a device limitation, not a product defect.

What's in the Box

• 1 × Micro TF/SD Memory Card
• 1 × Retail Package

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Frequently Asked Questions

Q: What devices is this Micro SD card compatible with?

A: This Micro TF/SD card is compatible with a wide range of devices including Android smartphones, tablets, digital cameras, dashcams, drones (UAVs), MP3/MP4 players, surveillance cameras, notebooks, robots, and other digital devices that support a standard Micro SD/TF card slot. Always confirm your device supports the selected storage capacity before purchasing.

Q: Can this memory card record 4K video?

A: Yes. With a V30 video speed class rating and write speeds of 30–80 MB/s, this card meets the minimum speed requirements for smooth, uninterrupted 4K UHD video recording. It is also rated U3 and Class 10 for consistent high-performance data throughput.

Q: Why does the usable storage on my device show less than the card's labelled capacity?

A: This is a standard industry difference in how manufacturers and operating systems calculate storage. Manufacturers use decimal measurements (1 GB = 1,000,000,000 bytes), while your device's OS uses binary measurements (1 GB = 1,073,741,824 bytes). The difference results in slightly less displayed capacity — this is normal and is not a defect with your card.

Q: What file format should I use for a 128GB or 256GB card?

A: Cards 64GB and above (64GB, 128GB, 256GB) should be formatted using exFAT. The 32GB card should be formatted as FAT32. Most modern devices will handle this automatically, but you can also format manually through your device or computer settings.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.