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Key Features
- 256GB Storage Capacity
- UHS-I / V30 / U3 / Class 10
- Max Read Speed: 100 MB/s
- Max Write Speed: 40 MB/s
Designed for use in devices that support the UHS-I bus, such as digital cameras, DSLRs, camcorders, and more, the 256GB 300S UHS-I SDXC Memory Card from Transcend can capture 4K, 3D, and Full HD video, plus raw and JPEG still images and photo bursts. It has a capacity of 256GB and features a speed class rating of V30, which guarantees minimum write speeds of 30 MB/s. If your device does not support the V30 standard, this card also supports the U3 standard, which likewise guarantees minimum write speeds of 30 MB/s. Read speeds are supported up to 100 MB/s and write speeds max out at 40 MB/s. A built-in write-protect switch helps to safeguard against the accidental erasure of card data.
More DetailsSee any errors on this page?
Will this keep up with 4k MJPEG video on the ...
Will this keep up with 4k MJPEG video on the Canon 5D MarkIV?
Sadly no, you will run into buffering with this card when shooting motion JPG.
Date published: 2022-11-16
Can you use this card in NIkon D90 without ...
Can you use this card in NIkon D90 without problems?
Yes, the Transcend 16GB 300S UHS-I SDHC Memory Card is compatible with the Nikon D90 DSLR camera.
Date published: 2025-05-12
Can this card be used in Sony A6300 to capture 4K ...
Can this card be used in Sony A6300 to capture 4K video and high quality JPG and Raw?
Yes, you need a U3 and/or V30 rated card for 4K on most cameras and this exceeds the minimum requirements.
Date published: 2021-03-11