This is the newest dvd version of the cross over series. Acumen Disc proudly introduce the cross over, the unit that can take different flash memory or optical disc without the limitation of only copying to the same format. A multimedia duplicator as it can copy from one format to another format (flash memory or disc). Back up your important data from erasable memory cards or flash drives to archival cd's or dvd's. Copy any of the flash media in the unique deck of 4 different flash media memory to the same or different type of flash media in this duplicator. Besides being a disc to disc duplicator, you can use this complete system as an single media duplicator to copy one usb, cf, sd or memory stick to the same or other type of media in the lower slot. There are 4 reader on the media deck that can be copy to the lower slot for this one to one copy media duplication (compact flash, secure digital, memory stick or usb at one at a time single disc copy). Product copy features: - 1 flash memory to flash memory copy (any 1 type of flash memory in reader to any 1 type of flash memoryy in writer) - 1 flash memory (any 1 type of flash memory in reader) to 3 discs copy - 1 disc to flash memory (any 1 type of flash memory in writer) copy - up to 3 disc to disc copy (same format to avoid "not enough space" warning) This cross over media copier is one quick back-up copy you have been looking for. No hard drive required. Please note in that our duplicator cannot copy discs from store bought or rental video with copy protections.