Top Features:
- Fast offload speeds up to 190MB/s with SanDisk QuickFlow Technology
- Class 10, UHS Speed Class U3, Video Speed Class V30 — ideal for 4K and 5K UHD recording
- Rated A2 for faster app performance and quick loading
- Supports microSDHC, microSDXC, and UHS-I compatible devices
- Includes an SD adapter for versatile use across devices
Product Overview
The SanDisk 256GB Extreme microSDXC UHS-I Memory Card is a high-performance storage solution designed for rapid data transfer and reliable recording. It’s compatible with devices supporting microSDHC and microSDXC formats, delivering up to 190MB/s read speeds thanks to SanDisk QuickFlow Technology. Perfect for capturing stunning 4K and 5K UHD videos, this card also supports UHS Speed Class 3 (U3) and Video Speed Class 30 (V30). Its A2 rating ensures faster app loading and in-device performance, making it ideal for storage-heavy applications. Whether for gaming, photography, or videography, this microSD card offers robust performance backed by SanDisk’s trusted reputation.
Review
The SanDisk Extreme microSDXC card is an excellent choice for anyone needing fast, reliable storage. The speed capabilities are impressive, especially with the offload speeds reaching up to 190MB/s, which significantly reduces transfer times. Its support for 4K and 5K UHD videos, combined with its U3 and V30 ratings, makes it perfect for high-resolution recording. The A2 performance rating ensures apps load quickly when stored on this card, adding to its versatility. The included SD adapter allows for compatibility with a variety of devices, extending its usefulness beyond microSD slots. Overall, this card delivers on its promises and is a reliable choice for professionals and casual users alike.
Pro’s and Con’s
| Pros | Cons |
|---|---|
| Ultra-fast transfer speeds of up to 190MB/s | Price may be higher compared to lower-capacity cards |
| Supports 4K and 5K UHD recording | Requires compatible UHS-I enabled devices for maximum speed |
| Rated A2 for quick app loading and in-device performance | Limited to capacities up to 1TB (limits future upgradability) |
| Includes SD adapter for wider compatibility |
Customer Reviews Analysis
| Review Summary | Rating | Key Feedback |
|---|---|---|
| High-speed performance for 4K recording and quick file transfers | 4.8/5 | Many users applaud its reliable speed, especially in video recording and large file transfers. Some noted that maximizing the 190MB/s speeds depend on using UHS-I compatible devices. Few had concerns about the higher price, but most agree it’s worth the investment for professional use. |
| Great for gaming and app storage with fast load times | 4.7/5 | Users report significant improvements in game load times and app performance, thanks to the A2 rating. A handful experienced compatibility issues with certain older devices, which is common for high-performance cards. |
| Durable and reliable under various conditions | 4.9/5 | Feedback highlights excellent durability and long-term reliability. Many appreciate the included SD adapter for easy transfer across devices. Few minor complaints on packaging or labeling. |
**CTA**:
👉 Buy on Amazon
![SanDisk 256GB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s, C10, U1, Full HD, A1, MicroSD Card - SDSQUAC-256G-GN6MA [New Version]](https://www.apptenium.com/wp-content/uploads/2025/07/image_1751911236.jpg "SanDisk 256GB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s, C10, U1, Full HD, A1, MicroSD Card - SDSQUAC-256G-GN6MA [New Version]")
![TAKAGI for iPhone Charger, [MFi Certified] Lightning Cable 3PACK 6FT Nylon Braided USB Charging Cable High Speed Transfer Cord Compatible with iPhone 14/13/12/11 Pro Max/XS MAX/XR/XS/X/8/iPad](https://www.apptenium.com/wp-content/uploads/2025/07/image_1751896837-500x445.jpg "TAKAGI for iPhone Charger, [MFi Certified] Lightning Cable 3PACK 6FT Nylon Braided USB Charging Cable High Speed Transfer Cord Compatible with iPhone 14/13/12/11 Pro Max/XS MAX/XR/XS/X/8/iPad")
