SanDisk Ultra 128GB 100MB/S SD Card SDSQUNR-128G-GN6MN
Specifications
- Capacity: 128 GB (formatted ~119 GB)
- Type: microSDXC
- Bus Interface: UHS‑I (up to 104 MB/s theoretical; SDR104 up to 104 MB/s)
- Speed Ratings:
- Speed Class: Class 10 (≥10 MB/s write)
- UHS Speed Class: U3 (≥30 MB/s write) – ideal for 4K video
- Video Speed Class: V30 (≥30 MB/s continuous)
- App Performance Class: A1 or A2 (≥1500 read IOPS, ≥500 write IOPS)
- Performance:
- Max Read: up to 100–130 MB/s in real-world use
- Min Write: ≥30 MB/s sustained
- File System: exFAT (default for SDXC)
- Durability:
- Water-, shock-, temperature-, X-ray‑, magnet‑proof
- Wide temp: −25 °C to 85 °C operating
- ≥10 000 insertion cycles
- 4‑proof certification & 10‑year warranty (typical)
- Use Cases: 4K video, drones, Android apps/gaming, professional photography, Nintendo Switch, dashcams, RasPi, etc.





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