Features and Functions: 512GB Storage CapacityPCIe 3.0 BusMax Read Speed: 1700 MB/sMax Write Speed: 1480 MB/sShock / UV Light / X-Ray ProofRigidity Tested to 70 NFile Rescue Recover & Media Scan Utility Description: Extremely fast and reliable for professionals who require the highest performance in the most extreme conditions. This new generation CFexpress memory card protects recordings and boosts workflow for photographers, videographers and enthusiasts. Offering both strength and speed, the 512GB CFexpress Type B TOUGH Memory Card from Sony provides fast read speeds up to 1700 MB/s along with write speeds up to 1480 MB/s. This quick performance benefits recording a variety of video resolutions, bit-rates, and compressions, as well as high-resolution continuous raw photo shooting. Beyond its speed, this TOUGH memory card also has a reinforced physical design to withstand falls from up to 15' and has been rigidity tested to 70 N of force. It's also resistant to extreme temperatures, X-rays, electrostatic, and UV lighting. Offering further protection, File Rescue recovery software can be downloaded for recovering lost or even accidentally deleted files and Media Scan Utility can be used to automatically scan CFexpress cards and inform you of the flash memory condition.