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this auction"Roland D-50 with original PN-D50-00 card, USB-midi cable and massive patch cd. This keyboard needs no introduction. Beautiful rich sounds from a keyboard that is almost 25 years old. Still used in the studios of today. The original memory card supplied PN-D50-00 effectively allows you to keep the factory patches and download your own sounds via the USB/midi cable provided from your PC to the keyboards internal memory. Effectively doubling the patches you can use simultaneously. "