Delkin Devices DDREADER-39 Firewire 400/800 Compact Flash reader High Speed Transfer - Over 45 MB/s Using a UDMA enabled CF card. Speeds may vary with non-UDMA cards Works with Mac and PC FireWire 400 & 800 compatible (400 With included FireWire 800 to 400 adapter) Plug-and-Play - No Drivers Required Hot Swappable