I've had really good luck with this one from Amazon http://www.amazon.com/AmazonBasics-Port-USB-3-0-Hub/dp/B00GGYU8TC/ http://www.amazon.com/AmazonBasics-Port-U

I've had really good luck with this one from Amazon http://www.amazon.com/AmazonBasics-Port-USB-3-0-Hub/dp/B00GGYU8TC/ http://www.amazon.com/AmazonBasics-Port-USB-3-0-Hub/dp/B00GG... It's fairly inexpensive (there's smaller versions too), is powered, and backed by Amazon if there's an issue.