CFexpress 820 To meet the needs of today's cutting-edge digital equipment, Transcend's CFexpress 820 Type B memory cards offer incredible transfer speeds of 1700MB/s and impressive storage capacity of up to 512GB. Transcend's CFexpress memory cards are also backward-compatible with select XQD cameras and camcorders that feature firmware enabling CFexpress. A trustworthy choice Designed exclusively for professional photographers using DSLR and advanced camcorders, Transcend's CFexpress 820 Type B cards are ideal for capturing outdoor sports, wildlife, and action shots. They are particularly handy when shooting 4K video, offering professional photographers, videographers, and content creators impressive transfer speed and reliability without dropping frames. Amazing transfer speeds Transcend's CFexpress 820 Type B cards are backward-compatible with particular select XQD cameras and camcorders that feature firmware enabling CFexpress. With read/write speeds of up to 1700MB/s and 1300MB/s respectively, you can enjoy smooth 4K video capture. Larger storage capacity With up to 512GB of storage capacity, Transcend's CFexpress 820 Type B cards offer continuous shooting in fast-action burst mode while also featuring large storage space for RAW images. Stay focused on capturing those crucial moments, and let the memory card handle the rest. Built for extremes Transcend's CFexpress cards are tested to withstand extreme conditions. CFexpress memory cards can operate in temperatures ranging from -10°C (14°F) to 70°C (158°F), delivering the utmost in both performance and stability.