Toshiba has today announced a new 512 MB CompactFlash card (OEM) based on four of its 1 Gb(it) NAND Flash chips. "Like Toshiba's 128MB SmartMedia, the 512MB CompactFlash was developed using Toshiba's 0.16 micron (µm) CMOS process technology, which has been in production since the fourth quarter of 2000". This card is said to have a sustainable write speed of 3.2 MB(ytes)/sec and a read speed of 5.4 MB(ytes)/sec.