Specification Brand : Integral BulletPoint1 : Over 50 Million Memory Cards Sold BulletPoint2 : Designed for the Professional Photographer and Cinematographer BulletPoint3 : No Compromise on Performance at the Correct Price from Integral BulletPoint4 : Industry-leading 1700MB/s Read and 1600MB/s Write Speeds, with ATTO Disk Benchmark - 400MB/s Sustained Write Speed BulletPoint5 : Smooth Uninterrupted 8K RAW and 4K 120 FPS Video Capture and Blistering Continuous Burst Mode Performance BulletPoint6 : When using a CFexpress card in an XQD device, the firmware must be upgraded to CFexpress before inserting the card to avoid corruption. BulletPoint7 : Note: Packaging may vary Color : 256 GB CompatibleDevices : Canon EOS-1D X Mark III,Canon EOS R5,Canon EOS R6,Canon EOS-C300 Mark III,Canon EOS-C500 Mark II,Nikon D6,Nikon Z6,Nikon Z7,Panasonic S1,Panasonic S1R, Configuration : configuration CustomerPackageType : Cinematic Grade DigitalStorageCapacity : 256 GB ExternallyAssignedProductIdentifier : 5055288446274 ExternallyAssignedProductIdentifier1 : 804272751659 ExternallyAssignedProductIdentifier2 : 0804272751659 HardwareInterface : compact_flash_card ItemName : Integral 256GB CFexpress Memory Card Type B 2.0 8K RAW and 4K 120 FPS 1700MB/s Read 1600MB/s Write Speed Designed for The Cinematographer and Professional Photographer ItemPackageDimensions_Height : 13.4 centimeters ItemPackageDimensions_Length : 0.9 centimeters ItemPackageDimensions_Width : 9.3 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : secure-digital-cards Manufacturer : Integral Material : Plastic MemoryStorageCapacity : 256 GB ModelName : INCFE256G1700/1600/S400 ModelNumber : INCFE256G1700/1600/S400 NumberOfItems : 1 PackageLevel : unit PartNumber : INCFE256G1700/1600/S400 ProductSiteLaunchDate : 2020-09-09T00:00:01.000Z ReadSpeed : 1700 megabytes_per_second SecureDigitalAssociationSpeedClass : class_10 Size : 256gb SkipOffer : 1 StreetDate : 2020-09-09T00:00:01Z Style : Cfexpress Red SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 43202005 WarrantyDescription : Warranty WarrantyType : Limited WriteSpeed : 1600MB per second