Hello fellow miners. I come to you in need of aid. I have some questions if my riser set up is correct and if it can handle the load safely. So let's get to it.
This is what I want to do (I believe this to be safe):
So here are my questions:
1. Is it safe for me to split 1x8pin pcie into 2x8pin pcie. And power 2xRX580 with it.Answer:
No and yes. The manufacturer limit is 150W so the cable shouldn't be able to take it. But in reality they can be used to power 2xRX580 and other GPUs that consume about the same amount of power (about 170W or less. theoretical max is for PCIe is 288W), but on higher end GPUs like 1080ti, titan x, vega 56/64 this is not possible (or at least not recommended), due to the GPUs needing more power.
2. Am I safe splitting 1 molex into 2. And then powering 2 risers with them? Just like in the picture above.
3. On the picture you can see I have a chain of 3 molex connectors on the same cable(not my actual cable, the one I'll use will be a high quality PSU molex cable). How many GPU risers can I safely connect to it? Could I do 3x Y molex splitter (male to female) and power 6 GPU risers with it?
4. How much is the max and avg load on a riser? How much can a riser handle? Answer:
Up to 75W (not sure if it could do more?). So if we take my GPU that uses 170W. The riser should be at 75W and the remaining 95W are from the 8pin PCIe connector. This is how I think it works?
5. How much is the max and avg load on a molex cable? How much can a molex handle? (I've seen people say somewhere 135W, but I'm not 100% on this)Answer:
Molex is rated for 132 watts/11 amps. BUT, I still don't know how much it COULD TAKE "safely" (not burn to pieces like the sata/molex connectors do).
My PSU is 3x EVGA SuperNOVA 1200 P2, 80+ PLATINUM 1200W.
I also have 4x LC-Power LC6650GP4 V2.4 (650W) and 1x LC-Power LC1000 (1000W) to help me power all of my GPUs.
I'm using 2x Asus B250 mining expert motherboard.
I need to power 7x Nvidia 1070 GPUs and 14x RX 580 GPUs.
I'm asking how you would power my GPUs. If you had the above PSUs with the GPUs and motherboard I mention.
If you have further question and/or are confused about any part of my explanation please do ask