Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black
4.7★ · 153,342 Amazon ratings as of Jul 9, 2026
- Compatible with Nintendo Switch (NOT Nintendo Switch 2). Always check your device's max supported capacity.
- Reliable Real-World Capacity - Labeled Capacities/Usable Capacities: 64GB/≥58GB; 128GB/≥116GB; 256GB/≥232GB; 512GB/≥465GB; 1TB/≥908GB (Due to OS formatting and binary/decimal calculation differences)
- 4K & Full HD Ready — Optimized for high-bitrate video recording and burst-mode photography. Handles RAW files, time-lapse sequences, and smooth 4K UHD playback without lag or frame drops.
- UHS-I U3 + A2 Certified Speed — Up to 100MB/s read speed (lab-tested); meets Video Speed Class V30 and Application Class A2 for fast app loading, responsive multitasking, and reliable performance on Android devices.
- Built for Adventure — Shock-resistant, IPX6 water-resistant, and rated for extreme temperatures (−10°C to +80°C). Also resistant to X-rays and magnetic fields — ideal for travel, outdoor use, and dashcams.
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Specifications
| brand | Amazon Basics |
|---|---|
| color | Black |
| model_name | Amazon Basics - MicroSDXC, 512 GB |
| read_speed | 100 Megabytes Per Second |
| unit_count | 1.0 Count |
| media_speed | 90 MB per second |
| manufacturer | Amazon |
| model_number | LSMICRO256GU3 |
| warranty_type | Limited |
| mfr_part_number | LSMICRO256GU3 |
| flash_memory_type | Micro SDXC |
| compatible_devices | Camera, Smartphone, Tablet |
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