Copying large files to RD1000 very slow

This is on a brand new Dell Inspiron  running Windows 7 Home Pro 64bit. I use Norton Ghost to make a computer backup to an external MyBook drive and then have set the Offsite Copy to a Dell RD1000. The backup itself doesn't take an enormous amount of time but when it makes the Offsite Copy (about 46gb) it gets extremely slow. I actually haven't let it complete since it said it was going to take 23 hours to complete. I then tried just copying it from the MyBook to the RD1000 and ran into the same situation. I left it on overnight and after ten hours, it reported it was about 10% done. On my previous computer, a Dell Optiplex GX260 using Windows XP Pro, I never had an issue with this so I just don't know if it's a Windows 7 problem (although looking up compatibility, the RD1000 is supposed to completely compatible with Win7 32/64) or an RD1000 problem or what.
BobArnettAsked:
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mmarx82Commented:
You could try doing NIC Driver updates on both the RD1000 and the computer your sending from.
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BobArnettAuthor Commented:
Sounds good but I'm novice enough to not know how one does that. Would this be in the Device Manager?
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mmarx82Commented:
Yes you go to device manager and expand Network Adapters.
You should now know who manufactured the NIC in your computer.
Go to that companies support/download site and search for the drivers for the NIC that show up in your device manager.
Common companies are:
Intel, Marvell, 3Com, Broadcom and Realtek
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BobArnettAuthor Commented:
Ok. I'll check that when I get home from work and get back to you. Thanks.
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BobArnettAuthor Commented:
I checked in Device Manager and had it check for driver updates for everything in the Network folder. It did find and install one update for a "Realtek PCIe Family Controller" but everything else was reported to have the latest drivers. I also had it check for other devices as long as I was there. This still didn't seem to make any difference in the speed. Then, just to get more information, I copied a large (40gb+) from MyBook to my computer's hard drive... this took about a half hour. Then I tried to copy the same file from the computer to the RD1000 and the stats said it was going to take about 10 hours. So that narrowed it down.
Then... a revelation... I checked the wiring and found MyBook was connected directly into the pc while the RD1000 was connected through a USB hub. "AHA!", I said. I swapped some devices around and found that connecting directly into a USB port on my pc increased the speed from 756kbs to 10mbs. So I obviously the hub was a bottleneck.
I couldn't find anything on the hub that would indicate whether it was a 1.0 or 2.0 hub but, because of the speed reduction, I'm assuming the 1.0. Would you know if there is such a thing as a hub that would not restrict the flow?
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mmarx82Commented:
Glad you found your problem, you would want a powered usb 2.0 hub. When I say powered I mean that the hub itself has to have a power plug.
If it is bus powered then speed may be reduced.
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BobArnettAuthor Commented:
I love collaborating.
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