Both Sony and Prograde Digital announced CFExpress Type B memory cards today. The new cards use the PCIe, Gen 3 interconnect with NVMe host controller interface and perform at read speeds of 1,600MPB/s. Prograde also announced that sample cards and readers are available for “qualified partners.” Prograde will offer two lines of the cards. The CFExpress Cobalt will perform at the full 1,600MB/s read speed and have burst write capability of 1400MB/s. The CF Express Gold feature a burst write speed of 600-1000MB/s. Read Prograde’s news release for more info.
Sony announced their own CFExpress Type B cards. The “Tough” cards. Sony claims performance of 1700MB/s read speeds and 1480MB/s write speeds. The “Tough” label highlights Sony’s tripling of the CFexpress standard to withstand force at 70N bending force and “five times greater reliability to endure falls from up to 5m high.” Read Sony’s press release here.
If all this XQD, CFast, CFExpress jargon has you perplexed, read this article by SLR Lounge. It does a decent job of clearing it up.
