Linus Tech Tips

ASUS U3S6 USB3.0 SATA 6.0Gb/s PCIe 4x Expansion Card Unboxing & First Look (2010x134)

Air date: Apr 18, 2010

As far as I can tell it only works with a select few ASUS motherboards, but it's definitely a neat way to retroactively add these hot new technologies to your motherboard