Havent ordered yet. I was going to through your ebay listing but im struggling to find a decent hub to power them here in the UK. I was looking at the sipolar 10 one as it looks beefy and able to cope well with the power draw. Most UK ones are standard types with rubbish power ratings.
this is the one we are adding to our offered inventory this weekend.
https://plugable.com/products/usb2-hub7bc/its fairly solid and can run 4 sticks reliably.
Send me a DM with what kind of quantities your looking for, I will run the international shipping quote directly and get you some hard numbers.