SanDisk MicroSD Class 10 256GB – High-Speed 100MB/s Memory Card | SDSQUNR‑256G‑GN3MN
Introduction
The SanDisk MicroSD Class 10 256GB (SDSQUNR‑256G‑GN3MN) is a high-capacity, high-speed memory card designed to expand storage on a wide range of devices. With 100MB/s read speeds and Class 10 performance, it’s ideal for recording HD video, capturing high-resolution photos, storing music, and backing up important files — all without the need for an adapter.
Product Overview
This SanDisk MicroSD Class 10 256GB card provides 256 gigabytes of storage in a compact, durable form factor. Its 100MB/s read speed ensures efficient file transfers and smooth media playback. Perfect for smartphones, tablets, action cameras, drones, and other microSD-compatible devices, this card gives users the flexibility to store and move large files conveniently.
SanDisk’s trusted technology ensures durability, reliability, and broad compatibility across devices, making it a practical solution for everyday digital storage needs.
Product Key Features
⚡ Fast Transfer Speeds – Up to 100MB/s
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Quickly move files between your device and computer
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Supports smooth playback of HD video content
📦 256GB Storage Capacity
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Store large collections of photos, videos, music, and documents
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Ideal for extended storage and backups
🏆 Class 10 Performance
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Optimized for high-resolution video recording and fast data access
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Reliable performance for demanding applications
🔌 Broad Device Compatibility
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Compatible with smartphones, tablets, cameras, drones, and other microSD-supported devices
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Adapter not required for microSD-enabled devices
🛡 Durable & Reliable
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Built to withstand everyday use
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Trusted brand quality for secure storage
Benefits
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Expand Device Storage: Frees up space on phones, tablets, or cameras for more apps, media, and files.
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Efficient File Transfers: High-speed performance reduces wait times for backups and file movement.
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Smooth HD Video & Photo Capture: Class 10 performance ensures reliable recording of high-resolution media.
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Versatile Use Across Devices: Works in multiple devices without an adapter, giving you flexible storage options.
How to Use
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Insert the microSD card into the microSD slot of your smartphone, tablet, camera, or other compatible device.
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Your device will detect the card automatically.
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Store or transfer files, photos, videos, and music directly to the card.
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Safely eject or unmount the card before removal to protect your data.
Note: No adapter is required for devices with microSD slots.
Compliance Statement
The SanDisk MicroSD Class 10 256GB card is manufactured under strict quality and safety standards, supporting ethical and lawful use for storage expansion and data management. It is not intended for unauthorized access, bypassing security measures, or misuse of protected systems.
Product Technical Specifications
| Specification | Details |
|---|---|
| Model Number | SDSQUNR‑256G‑GN3MN |
| Capacity | 256GB |
| Interface | UHS‑I / microSDXC |
| Max Read Speed | Up to 100MB/s |
| Performance Class | Class 10 |
| Compatibility | Smartphones, tablets, cameras, drones, portable devices |
| Dimensions | Compact microSD card |
| Adapter | Not included |
| Durability | Built for everyday use |
Conclusion
The SanDisk MicroSD Class 10 256GB (SDSQUNR‑256G‑GN3MN) offers high-speed, high-capacity storage for a wide range of devices. With Class 10 reliability and 100MB/s read speeds, this microSD card is perfect for HD video recording, photo storage, and media backups, giving users a compact and dependable storage solution without requiring an adapter.











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