Review on FebSmart 7-Port USB 3.0 Superspeed 5Gbps PCIe Expansion Card for Windows Server, XP, Vista, 7, 8.x, 10 PCs - Self-Powered Technology, No Additional Power Supply Required (FS-U7-Pro) by Adam Alvarez

All connections worked from the start, no problems. Also, I bought this particular one because it had internal USB ports and didn't require an additional power cord. This simplifies installation on any supported computer. I needed one with internal USB ports because I have a card reader that requires a USB 3.0 connection and it works much better than having to run that cable through the back of the case. Overall a great product at a good price. I think more than that would be overpriced but the much cheaper ones I suspect will have a much poorer build quality than this one. Update: It's been a few months and I still haven't had the issues other reviewers are talking about!