Specification BatteriesRequired : 1 Brand : SanDisk BulletPoint : 2GB Standard Secure Digital (SD) Memory Card BulletPoint1 : For professional film makers using cinema cameras with CFexpress technology BulletPoint2 : Flawless 8K video capture with super-fast 1400MB/s minimum sustained write speeds (8K (7680x4320) video support may vary based upon host device, file attributes, usage conditions and other factors. See official SanDisk website. Up to 1700MB/s read speed; Up to 1500MB/s write speed. Based on internal testing; performance may be lower depending upon host device, usage conditions, and other factors. 1MB=1,000,000 bytes.) BulletPoint3 : Blazing-fast burst speeds of up to 1500MB/s write and 1700MB/s read (1400MB/s minimum sustained write speed. Based on internal testing; performance may be lower depending upon host device, usage conditions, and other factors. 1MB=1,000,000 bytes.) BulletPoint4 : Durable design that withstands up to 1-meter drops and up to 50 newtons (11.2 pounds-force) (Based on internal testing.) BulletPoint5 : Maximum offload speeds with PRO-READER CFexpress Type B (sold separately) Color : Black CompatibleDevices : Cameras with Cfexpress Type B slots DigitalStorageCapacity : 2 GB ExternallyAssignedProductIdentifier1 : 619659205546 ExternallyAssignedProductIdentifier2 : 0619659205546 ExternallyAssignedProductIdentifier3 : 00876544345521 GpsrSafetyAttestation : 1 HardwareInterface : sdhc ItemName : SanDisk 320GB PRO-Cinema CFexpress Type B - Up to 1700MB/s Read Speeds, 8K Video Capture, CFexpress Type B Card - SDCFEC-320G-GN4NN ItemPackageDimensions_Height : 15.2908 centimeters ItemPackageDimensions_Length : 1.397 centimeters ItemPackageDimensions_Width : 10.2108 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : secure-digital-cards Manufacturer : Western Digital Technologies, Inc. MemoryStorageCapacity : 320 GB ModelName : SanDisk PRO-CINEMA CFexpress Type B ModelNumber : SDCFEC-320G-GN4NN NumberOfItems : 1 PackageLevel : unit PartNumber : SDCFEC-320G-GN4NN ProductDescription : 2GB Standard Secure Digital (SD) Memory Card. ProductSiteLaunchDate : 2023-09-21T18:04:12.172Z ReadSpeed : 1700 megabytes_per_second SecureDigitalAssociationSpeedClass : class_10 ShipsGlobally : 1 Size : 320GB StreetDate : 2023-10-06T00:00:01Z Style : Memory Card Only SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnitCount : 1 UnspscCode : 43200000 WarrantyDescription : Lifetime limited manufacturer warranty WarrantyType : Lifetime limited manufacturer warranty WriteSpeed : 1500 MB/s