Shot speeds up to 90mb/s, transfer speeds up to 170mb/s [requires a compatible device capable of reaching such speeds, such as the sandisk sd uhs i card reader (sold separately)] | based on internal testing; performance may be lower depending upon host device, interface, usage conditions and other factors 1mb=1,000,000 bytes; x = 150kb/sec
perfect for shooting 4k uhd video(1) and sequential burst mode photography, (1)full hd (1920x1080) and 4k uhd (3840 x 2160) video support may vary based upon host device, file attributes and other factors. Compatibility - compatible with microsdhc and microsdxc supporting host devices
capture uninterrupted video with uhs speed class 3 (u3) and video speed class 30 (v30)(2) | (2)uhs speed class 3 designates a performance option designed to support 4k uhd video recording with enabled uhs host devices; uhs video speed class 30 (v30), sustained video capture rate of 30mb/s, designates a performance option designed to support real time video