I'm the kind of guy that needs a phone cable EVERYWHERE: in the bedroom, in the living room, in the car and, of course, at the PC for data syncing and backup.  I got lots of cables from my 3 year old HTC Sensation but none of them worked on the new Galaxy S4. Super slow charging and no PC handshake. Most of the  the cables I found on Amazon had suspect success. This site had the best success rate. These work great and seem to be well made. I am jazzed that these cables seem to be OEM compliant.