MemoryCapacity64 GBRead speed180 MB/sWrite speed45 MB/sInternal memory typeUHS-IFlash card typeSDUHS Speed ClassClass 3 (U3)Video Speed ClassV30PerformanceWrite protection switchYesDesignRoHS complianceYesFeaturesWrite protection switchYesIntegral Premium SDHC and SDXC Memory Cards are perfectly suited for your Digital Reflex, Digital Camera, Camcorder and SD compatible PC. These cards offer super-fast read and write speeds, ideal for 4K Ultra High Definition Video, Large RAW Photos and Burst Photography.Over 50 million memory cards soldIdeal for use in DSLR digital SLR cameras, compact digital cameras, bridge cameras, camcorders and SD compatible laptopsV30 - Capture 4K action videos and quality still images in high resolution burst modeFast playback and writing ensure smooth video capture even when shooting in 4K and Full HD. No lag or image loss