Quick overview from the supplier:
512GB CFexpress 2.0 Type B (PCIe 3.0 x2, NVMe 1.3), Transcend "TS512GCFE820" (R/W: 1700/1000MB/s)
* Manufactured with MLC NAND flash chips
* Designed for professional cinematography in high-resolution Full HD and 4K video recording
* Built-in Error Correcting Code (ECC) to detect and correct transfer errors
* RecoveRx photo recovery software