Added Rosewill USB 3, speed slow

I added a Rosewill RC-505 PCI card to my W7 machine and am having mixed results, but slower across the board than I had hoped for.

I have a Barracuda 7200 RPM internal HDD and am transferring a lot of data to an Hitachi Touro 3TB external drive and the transfer rate is 26MB/s. Thats awfully slow. The Hitachi is supposed to be USB 3 capable but I've gotta wonder.

It has performed faster with other drives, but this one is sloooooooow.

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More about added rosewill speed slow
  1. Does your card have the the latest firmware and your Win7 uses the latest driver?

    You should able to move date around 65~120MB/s
  2. Hi,

    What's you computer specs.
  3. Specs:

    W7 64 bit
    AMD Phenom(tm) II X6 1065T Processor @2.9GHz
    FOXCONN 2A92 Motherboard
    16GB memory
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