Just keep in mind the TX87 was meant for aluminum custom which have the usb port on the top of the PCB. The B.87 and Phantom have the usb port on the bottoms. Gon offers both USB placement (his Nerd cases have the usb on bottom, but if you wanted to build a Kustom, USB on top).Tl;Dr still A.87 but USB is not always on the same side of the PCB.Sent from my Pixel using Tapatalk