SanDisk 256GB Extreme Micro SD Card

The SanDisk Extreme microSDXC memory card allows you to save time when transferring media, with read speeds of up to 190MB/s powered by SanDisk QuickFlow Technology. To achieve maximum speeds, pair it with the SanDisk Professional PRO-READER SD and microSD (sold separately). With write speeds up to 130MB/s, it's ideal for your Android smartphone, action cameras, or drones.

This high-performance microSD card is capable of handling 4K and 5K UHD video recording, Full HD video, and high-resolution photos. It is compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices.

The SanDisk Extreme microSDXC card is engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, but requires compatible devices capable of reaching such speeds. Based on internal testing, the actual performance may be lower depending on the host device interface, usage conditions, and other factors. 1MB equals 1,000,000 bytes.

SanDisk QuickFlow Technology is only available for 64GB, 128GB, 256GB, 400GB, 512GB, and 1TB capacities. 1GB equals 1,000,000,000 bytes, and 1TB equals 1,000,000,000,000 bytes. Actual user storage is less.

The card is UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ready, designating a performance option designed to support real-time video recording with UHS-enabled host devices. Full HD (1920x1080), 4K UHD (3840 x 2160), and 5K UHD (5120 X 2880) support may vary based on the host device, file attributes, and other factors.

Additionally, the SanDisk Extreme microSDXC card is rated A2 for faster loading and in-app performance. The A2 performance is 4000 read IOPS and 2000 write IOPS, but the actual results may vary based on the host device, app type, and other factors.

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