Fujifilm UK has launched the 310x version of its CompactFlash card which offers the fastest sustained write speed of any memory card. Available in 4GB, 8GB and 16GB capacities it offers a staggering write speed of 48.5 MB/s. The card provides support for the latest generation of UDMA compatible digital SLRs and professional video cameras. Pricing is as follows the 4GB card costs £50 ($ 100), 8GB £120 ($ 240) and 12GB £210 ($ 420). (Pictured above is the 100x card)