SanDisk Ultra microSDXC UHS-I memory card 256 GB+adapter (for Android smartphones and tablets and MIL cameras, A1, C10, U1, 120 MB/s transfer)

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You want something officially licensed: If you would rather have peace of mind then and officially licensed card could be a better choice. In other words, it’s a steal for smartphone and tablet users or anyone wanting more storage for their Switch, and still a good option for your average DSLR or compact camera. Unless you find the Ultima Pro Premium High Speed even cheaper, buy away.

For 256GB-1TB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 130MB/s write speeds. For 128GB: Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 90MB/s write speeds. For 64GB: Up to 170MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 80MB/s write speeds. For 32GB: Up to 100MB/s read speeds; up to 60MB/s write speeds. Based on internal testing; performance may be lower depending upon host device interface, usage conditions, and other factors. 1MB=1,000,000 bytes.The best microSD cards to buy in 2023 1. Integral Ultima Pro Premium High Speed: Best-value microSD card at higher capacities Compatible device required. Full HD (1920x1080) and 4K UHD (3840 x 2160) support may vary based upon host device, file attributes, and other factors. See www.sandisk.com/HD One final thing we need to make clear is that speeds will depend on your microSD card reader. The reader built into your average laptop might not be capable of reading from or writing to the fastest cards at their full speed, and we’ve found huge variations in external readers, even those bundled with high-performance cards. If you’re investing in one of the faster microSD cards, grab the matching adaptor from the same manufacturer, or from a credible manufacturer like Lexar, SanDisk, Kingston or Integral. That goes double for UHS-II cards. What if I’m buying for an action camera or dashcam?

With capacities of up to 1TB, you can store even more hours of Full HD video on the card and still have room for the videos, photos, music, movies and other files you want to shoot, save and share. Transfer Speeds of up to 120MB/s. Capture fast-action photos or shoot 4K UHD video with write speeds of up to 130MB/s (256GB+, 64GB 80MB/s & 128GB 90MB/s). The SanDisk Extreme microSDXC UHS-I Card lets you shoot more and faster. Great for capturing 4K UHD Video.The latest UHS-III standard is faster still, with speeds of up to 624MB/sec in both directions simultaneously, while the SD Express standard takes this up to a staggering 985MB/sec. However, neither standard seems to have taken off yet, either in terms of cards or the readers and devices to support them. Should I always buy the fastest card I can afford?