PSU coupler, are they worth it?

[thesavoyard]

So I have a business that I am expanding. I want to provide build your own PC and mining equipment in Europe due to the lack of any good retailers. Except for Germany but they don't have language support and they have weird rules for payments. One store only allows bank transfers lol.

 I can get Enermax PSUs but I think a couple platinum 1000w Corsairs are superior. Also, it's hard to find 12 pin replacements for these larger PSUs.
I see in the US you can get couplers so you don't have to splice any wires to run multiple PSU. Are they reliable? Also, let me know which ones are the best.

I see this style, just a 4 pin molex from the primary.  Any experience with these? https://www.amazon.com/Add2PSU-Multiple-Power-Supply-Adapter/dp/B009P98Q8U

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[Vann]

I would stick with good brands like EVGA or Corsair, though BBT has reported having multiple bad Corsair AX series brand new PSU's.

https://www.youtube.com/watch?v=PXoPFPqU3Y8&feature=youtu.be&t=3798

Add2PSU is just a reed relay to daisy chain the PSU's so they start and shutoff at the same time and share the same ground. You can also make your own from an automotive relay.

http://www.jonnyguru.com/modules.php?name=NDArticles&op=Story&ndar_id=27

Using an ATX 24-pin splitter cable is another easy way to connect two PSU's.

https://www.amazon.com/Female-Power-Supply-Motherboard-Adapter/dp/B013HTWI9G

[thesavoyard]

Thanks for the advice, but I'm actually looking as a reseller. I still have an extra Enermax Platinumax 1700w to use up before I consider daisy chaining PSU.

Enermax is a really respected brand in the EU as well. They are really popular in Germany and most of their high-end stuff is on a 2-3 month backorder. That's one of the major motivators to import couplers.