Our most powerful SD UHS-I memory card yet saves you time transferring media with read speeds of up to 200MB/s(1) powered by SanDisk QuickFlow Technology(2). Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately). With shot speeds of up to 140MB/s(1) and UHS speed Class 3 (U3)(4)recording, you’re ready to capture stunning, high-resolution, stutter-free 4K UHD video(3) | (1)Up to 200MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Write speed up to 140MB/s. 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. (2)SanDisk QuickFlowTechnology is only available for 64GB, 128GB, 256GB, 512GB and 1TB capacities. 1GB=1,000,000,000 bytes. 1TB=1,000,000,000,000 bytes. Actual user storage less. (4)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 recording with UHS enabled host devices. See the SD Association’s official website. (3)Full HD (1920x1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site.

UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) (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 recording with UHS enabled host devices. See the SD Association’s official website.). Perfect for shooting 4K UHD video and sequential burst mode photography (Full HD (1920x1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site.). Shot speeds up to 140MB/s (Write speed up to 140MB/s. 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.). Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately). Save time with card offload speeds of up to 200MB/s powered by SanDisk QuickFlow Technology (Up to 200MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. 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. SanDisk QuickFlow Technology is only available for 64GB, 128GB, 256GB, 512GB and 1TB capacities. 1GB=1,000,000,000 bytes. 1TB=1,000,000,000,000 bytes. Actual user storage less.).

Compatible Devices: Computers, Digital Cameras, Home Theatre Devices, Car Navigation Systems. Memory Storage Capacity: 256 GB. Flash Memory Type: SDXC. Series: SanDisk Extreme PRO SD UHS-I Card. Brand: SanDisk. Best Sellers Rank: #3 in SecureDigital Memory Cards. Customer Reviews: 4.8 out of 5 stars 11,141 ratings 4.8 out of 5 stars. Date First Available: ?June 9, 2022. Country of Origin: ?Malaysia. : ?B09X7CFXSX. Manufacturer: ?Western Digital Technologies, Inc. Batteries: ?1 Lithium Ion batteries required. Color: ?Dark gray/Black. Item Dimensions LxWxH: ?0.09 x 0.94 x 1.26 inches. Product Dimensions: ?0.09 x 0.94 x 1.26 inches. Item Weight: ?0.071 ounces. Item model number: ?SDSDXXD-256G-GN4IN. Series: ?SanDisk Extreme PRO SD UHS-I Card. Brand: ?SanDisk.