Thanks Paul and Sarah for all information. Regards, Rahul Ruikar On 24 November 2010 03:45, Paul Zimmerman <paul-zimmerman@xxxxxxxxxxxxx> wrote: > Rahul Ruikar wrote: >> I have old Dell laptop with USB 2.0 support, now I want to study/test USB 3.0. >> could you please suggest ways to introduce USB 3.0 support for such >> laptop where I can use USB 3.0 compliant devices. >> >> one cheapest option I found is >> http://www.transcendusa.com/Press/index.asp?LangNo=0&PrsNo=1585&axn=Detail > > Hi Rahul, > > I have used the Transcend card at $work, and can verify that it does work with > Linux. It uses the NEC xhci controller chip, as do all of the ExpressCard USB > 3.0 cards that we have tried so far. > > One warning, though. All of the ExpressCard-equipped laptops we have tried have > only a 1-lane PCI-Express connection, and most of them (except for some newer > ones) are also PCIe 1.0, not 2.0. That means it is impossible to achieve the > full USB 3.0 throughput with them. The best we have seen is around 100 MB/s, > whereas on a desktop with a PCIe 4-lane and/or 2.0 connection we have seen over > 300 MB/s. > > But even at 100 MB/s, it is still a lot faster than USB 2.0. > > -- > Paul > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
