HTC Vive Link Box
PC
HTC Vive Link Box
PC
Hmm, I can't find it on Digitec either... Then take a look at Ricardo, or even Amazon.
Otherwise, instead of a new cable, you could also consider the wireless solution from HTC or TP Link.
It's much more cool anyway. The cables probably annoy all users anyway.
Such a universal adapter should work.
Ansmann universal plug-in power supply "APS 1500", 18 W / 3-12 V