September 24, 2008 SanDisk has used the Photokina trade fair to announce a 12.5-percent jump in speed (now 45 megabytes per second) and the addition of a 16-gigabyte version to its Extreme IV high-performance memory card line.

The company says that the cards are fully compatible with all CompactFlash cameras including the latest UDMA-enabled cameras and have undergone internal testing with cameras and DSLRs such as Canon’s EOS series, Nikon’s D300 and D3 cameras, the Sony Alpha A700, and the Olympus E500 and E3.

SanDisk Extreme IV cards can transfer data to computer using a SanDisk Extreme FireWire reader and feature an operating temperature range from 13F (minus 25C) to 185F (plus 85C).

The 16GB SanDisk Extreme IV CompactFlash memory card costs USD$399.99 and the 4GB and 8GB versions cost $119.99 and $239.99 respectively. The Extreme FireWire Reader is also available for USD$79.99.