SanDisk 256GB Extreme microSDXC Memory Card - Up to 190MB/s, 4K, 5K, A2 - for Tech Enthusiasts

About this item

• Rated A2 for faster loading and in-app performance (A2 performance is 4000 read IOPS, 2000 write IOPS. Results may vary based on host device, app type and other factors)
• Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately), Compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices
• Up to 130MB/s write speeds for fast shooting (Based on internal testing; performance may be lower depending upon host device interface, usage conditions and other factors. 1MB=1,000,000 bytes.)
• 4K and 5K UHD-ready with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) (Compatible device required. Full HD (1920x1080), 4K UHD (3840 x 2160), and 5K UHD (5120 X 2880) support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site. UHS Speed Class 3 (U3) designates a performance option designed to support real-time video recording with UHS-enabled host devices. Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS-enabled host devices. See the SD Association’s official website.)
• Increase efficiency with card offload speeds of up to 190MB/s enabled by SanDisk QuickFlow Technology (Speeds of up to 190MB/s for reading, created with exclusive technology surpassing UHS-I 104MB/s, requires devices that can handle such speeds. Tested internally; performance could vary based on device interface, use case, and other variables. 1MB=1,000,000 bytes. SanDisk QuickFlow Technology is for 64GB, 128GB, 256GB, 400GB, 512GB, and 1TB capacities. 1GB=1,000,000,000 bytes and 1TB=1,000,000,000,000 bytes. Actual storage for users could be less.)