No surprise.
Sata can provide a MAX of 54w. PCIe slot (riser in this case) must be able to supply up to 75w. This is why it is a bad idea to use a sata to power a riser.
The actual specs require either a molex or a 6pin plug to provde enough power. Sata does not meet it by almost 50%.
You can find plenty of sites that list the specifications. You can ignore the facts. When you melt or burn ... its on you.
If there are 3 sata power connectors on 1 wire, and 1 hard drive can consume 20-30 watts, then the wires must be designed for a load of 100 watts.
If the wire melted, then the transmitted power was more than 100 watts.
No sir. Check the specs. 54w total on a sata chain for all connectors on that chain total. Problem is a single PCIe can draw 75w. You are trying to agrue against the specification of the connectors and wiring. Just because you can plug 3 drives in doesnt mean it is safe to do..just like using a sata to 6pin converter is not safe.
Maximum current is 4.5amps at 12v for a sata connector and cables. 4.5v * 12v = 54w
Another page dedicated to specifications of pc power connectors.....
http://www.playtool.com/pages/psuconnectors/connectors.htmlAmazing people will argue with a defined specification made by experts in the field...your flawed thinking is exactly what melts wires and starts fires.
I completely agree with you, but nowadays there are very few 4-pin connectors (molex) on modern power supplies.
Therefore, we use adapters Sata - 6 pins or Sata 4 pins.
I've read that expensive power supplies use thicker wires and wire braids to handle a higher load.