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Hi,
I actually ordered pcie extention cable, waiting 20 days to reach my location, after that fool seller sent me cpu to pcie concerter wire, it looks like Y one side cpu and other 2 x 6 pin pcie,
I always ask before action, so i ask here,
Is it safe to use that converter?
Edit. Want to use it on gtx 1070

maybe

but I am not sure  what you want to do.

are you looking to extend an 8 pin  pcie to an 8 pin pcie?
this one works
https://www.amazon.com/gp/product/B00B46XKJW/ref=oh_aui_detailpage_o01_s01?

are you looking to extend a 6 pin pcie to a 6 pin pcie?
this one works

https://www.amazon.com/Silverstone-Sleeved-Extension-Connector-PP07-IDE6BR/dp/B00H45K3QA/ref=sr_1_5?






it sounds like you have this one


https://www.amazon.com/GutsParker-Micro-6-Pin-Female-8-Pin/dp/B01NBMS46B/ref=sr_1_3?

or this one

https://www.amazon.com/Adapter-Splitter-Graphics-Extension-TeamProfitcom/dp/B077WRCZWD/ref=sr_1_1_sspa?



you need to test with  a meter to be sure they were built correctly

https://www.amazon.com/AstroAI-Digital-Multimeter-Voltage-Tester/dp/B01ISAMUA6/ref=sr_1_1_sspa?

Im using two power supply of 650 watts, both have 2 8pin wires
Using it on 2 gtx 1070 and one gtx 1060,
One cable to power gtx 1060 is too small so i ordered extention cable but he sent me cpu to pcie cable.
Dont know if it is safe or not.
Edit. This is what i got.
If i order from amazon i need to wait again and Christmas time also near, but cant risk safety, just need clarification that this cable is safe or not.
https://s10.postimg.org/4dw9ncc2x/AB9_B4_DFC-_B1_E4-4_CC2-8_F52-_A5_CA3_F53_B0_F5.png

no  it will  not work for your needs.

you need this


https://www.amazon.com/Silverstone-Sleeved-Extension-Connector-PP07-PCIW/dp/B00B46XJ2K/ref=sr_1_sc_3?


http://www.silverstonetek.com/product.php?pid=379&area=en

I am using these converters to increase an amount of pci-e cables in my rigs. Work fine for two gtx 1060 each.
You can use it with your 8pin cpu connector, not with your pci-e cable. They have an inversed pin layout.

I already ordered this one, but due to christmas time, i would get in next year. But why cant that converter make, i dont have much knowledge but whats the motive they made cpu to pcie converter?

For example, I am using some 850w psu that have only 4 pci-e cables, but enough power for 6 gtx 1060. So I prefer using this converter instead of powering my cards with adapters from molex.

It can connect to a second cpu cable and if it was wired properly  it will convert to pcie.

As I said you need a meter to be sure it was wired correctly.

Some are wired wrong and kill off gpu's.

Just because it is an 8 pin connector on one side, does not mean it is for connecting to an 8 pin to CPU cable.  It could be.  Or it could be a PCIe power extension cable, which is could be 8 pins or 6 pins.  The 8 pin PCIe power cables are wired differently than the 8 pin CPU power cables.  Be very careful.

Based upon the OPs original post, it is not clear at all what he is working with.  Pictures of the cable and the 8 pin connector would help.  He said he ordered a PCIe Extension cable, but that he got a CPU extension cable with a y on it.  Never heard of CPU power extension cable with a Y output to 2x6 pin connectors.  That would seem to overload that line considerably.  I have seen 8 pin PCIe extension cables that Y out to 2 PCIe 6 pin cables.