The Transcend 512GB CFexpress 900 Type B Memory Card is on sale for $139 USD, which is a big discount of $665.70 USD. Key features 512GB Storage CapacityNVMe / PCIe 4.0 x2 InterfaceMax Read Speed: 3500 MB/sMax Write Speed: 2800 MB/s112-Layer 3D NAND FlashTemperature ResistantAES Encryption3 Million Hour MTBFEndurance (TBW): up to 2240TBScope Pro SoftwareThe 512GB CFexpress 900 Type B Memory Card takes advantage of the PCIe 4.0 x2 bus to provide maximum read speeds of 3500 MB/s and maximum write speeds of 2800 MB/s. Also featured is 3D NAND flash with 112 layers, AES encryption, a 3 million hour MTBF, and an endurance of up to 2240TB. Built for extreme conditions, this card is resistant to temperatures ranging from 14 to 158°F. Included is Scope Pro software, which helps users monitor and manage storage devices via an interface that presents useful features such as drive information and S.M.A.R.T.