Hi all. Thanks to this forum I have learned a lot of mining.
But I have a case. I have an b250 mining board, 8x 570 gpu and one evga g2 1600w. How to power these risers safely?
I have read that I should avoid power coming from sata because of the fire hazard. So I can´t use sata, cpu or periph. ports from the psu.
That leaves me with the last option, power via pci 8-pin. But since I have 8gpu I only have one 8pin port in spare.
Can I power 1 gpu and 1 riser with the same 8-pin cable from the psu? I insert the 8-pin into the gpu and the 6-pin into the riser.
Comments? Thoughts?
You should be able to power both the onboard 8-pin connection and the riser from the same line off of the PSU, but you may need an extension cable for the riser.
2x molex to 6-pin PCIe adapters are fine (avoid placing several on the same line). 1x SATA to 1x PCIe adapters are more iffy, especially since the ones bundled with risers are often of rather poor quality. Most of the time you'll still be okay using one of those adapters per line, but do note that SATA isn't rated for the same current (and thus power) as 4-pin molex or 6-pin PCIe connectors are.
