Amazon.com: USB Cable Cord for Nikon D40 D40X D50 D60 Camera : Electronics
USB Digital Camera Cable for Nikon D40.D40X.D50.D60.D70 Black | eBay
Replace USB Digital Camera Cord Lead Cable for Nikon D40 D40X D50 D60 D70 | eBay
Amazon.com : Nikon D40 Digital Camera USB Cable 3' USB 2.0 A to Mini B - (5 Pin) - Replacement by General Brand : Camera And Camcorder Cables : Electronics