DatabaseImagingCamera AccessoriesRecording Media256 GB Essential Pro CFexpress 4.0 Type BExascend 256 GB Essential Pro CFexpress 4.0 Type B Memory CardExascend$259.99 MSRPKey FeaturesUp to 3700 MB/s Read Speed900 MB/s Sustained Write SpeedVPG400 RatedX-Ray Proof and Magnet ResistantApproved for 3 Cameras+ Compare🔒 Log in to add this to a kit.OverviewSpecificationsThe ArchiveKey GripSpecificationsKey SpecsMedia TypeCFexpress Type B CardStorage Capacity256 GBSpeed ClassificationVPG400Read Speed3700 MB/sMax Write Speed3150 MB/sMinimum Write Speed400 MB/sCardBus-InterfacePCI-Express 4.0PerformanceSustained Write Speed900 MB/sDurabilityDurabilityMagnet Resistant, X-Ray ProofOperating Temperature-12 to 72 °CCertificationsMedia CertificationsNikon Z9 Ready (Nikon Approved), Nikon Z8 Ready (Nikon Approved), Sony BURANO Ready (Sony Approved)