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Enjoy the convenience of fastest read/write speeds with class 10, U3 Works with free File Rescue software to save compromised data Select models 4K compatible 1
UHS (Ultra High Speed) is the fastest performance category available today. UHS defines bus-interface speeds of up to 312 megabytes per second for a greater device performance. it is available on SDXC and SDHC memory cards and devices.
Speed Class and UHS Speed Class* symbols indicate minimum writing performance to ensure smooth writing of streaming content such as video shooting. This is important mainly for camcorders, video recorders and other devices with video recording capabilities. Speed Class designates minimum writing performance to record video. The Speed Classes defined by the SD Association are Class 2, 4, 6 and 10. UHS Speed Class is designed for UHS** devices only and designates minimum writing performance to record video on UHS products. The UHS Speed Classes defined by the SD Association are UHS Speed Class 1 (U1) and UHS Speed Class 3 (U3). * (Speed Class and the UHS Speed Class are not compatible.) **UHS (Ultra High Speed), the fastest performance category available today, defines bus-interface speeds up to 312 Megabytes per second for greater device performance. It is available on SDXC and SDHC memory cards and devices.
A new pin layout was introduced to support the UHS-II bus interface. The new second-row pins on the full-size SD memory card and microSD memory card are used for the UHS-II signals. The first-row pins are used for the normal speed, high speed and UHS-I bus interface signals to provide interoperability with existing non-UHS-II host devices.
Normal Speed/High Speed/UHS-I Card UHS-II Card