Amazon.com : USB Cable for Nikon D7100 DSLR Camera, and USB Computer Cord for Nikon D7100 Digital SLR Camera, Gold Plated, W/Ferrite, 6 Feet or 1.8 Meter Long! : Electronics
Link It Nikon DSLR D7100 USB Cable - UC-E6 USB - Walmart.com
Nikon DSLR D7100 USB Cable - UC-E6 USB – DirectNine - Europe