Getting RGB fitting to work with the motherboard header

[w41g87]

Okay so:

I am trying to get Thermaltake pacific rgb fittings to work with Asus aura sync. The rgb on the fittings are simply 5V non-addressable rgb series. So now I have 3 options:

1. Adding resistor to the 12V header to split the voltage.

The problem is that I would like to find a safe and reliable way to do so (e.g. no exposed wires or fragile connections). Also, a different resistor is needed for different number of fittings chained in parrellel.

 

2. Using the molex 5V connection

The problem is like the above: I potentially need to damage the cabling to do so.

 

3. Using the 5V ADD pin to feed the 5V

The problem of this is that I do not know if my motherboard will like it, because there will be a net current out at the 5V ADD headers and a net current in at the 12V RGB header.

 

Thanks in advance!