Hi all,

I was configuring my rig in the past days. Now i wanted to finalize everything by modding the Bios and adjust the power consumpiton and things like that.
So i put the meter to the socket to check what is the acutal consumption of my sys and i really was suprized. around 90w in indle, which is okay. but 370w when the miner is running. As my 5x RX480s are running on a separate PSU I´m really wondering why the Mainboard needs to put so much power to the PCIe lanes.

Setup is:

ASRock H81 BTC
4gb Ram
Intel G1820 CPU
5x powered risers
FSP Hyper 700 PSU for system powering
Corsair Hx1000 for PSU powering

I read i need to put the 4xMolex pins to the mainboard to support, with and without this option there is no change in the consumption or stability of the system. At the moment I leave it unconnected, as the risers are powered

A lot of people are confirming they´re running their systems with 6 RX*** AMD cards around 700w. My Rig needs 1000w atm. What is wrong with my setup?

Thank you for your help.