Amazon.com: USB to Host Cable USB Cable Cord 10 Feet Compatible with Yamaha PSR-EW300,PSRE353,PSR-E363,PSR-EW410,PSR-E463,PSRE373,PSRE-343,PSRSX900,YPT260,YPT270,YPT360,P71,NP12,P45,P125 Portable Piano Keyboard : Musical Instruments
Amazon.com: HQRP USB in-Out MIDI Interface Cable Converter PC to Music Keyboard Adapter Cord Works with Yamaha PSR-225GM 61 Key Educational Keyboard : Musical Instruments
Kentek 1 Feet FT USB Cable Cord For YAMAHA PSR-EW400 PSR-E403 PSR-E413 PSR-E423 PSR-E433 PSR-S750 Black - Walmart.com
PSR S775 Professional 10,000 Styles and Midis USB plug and play | eBay