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esata


bob

Question

Has anyone tried using eSATA w/exterior hard drive for faster downloading from DSLR.

I have been reading about this but not sure if I am understanding correctly.

Thank you, bob

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The actual "bottleneck" for downloading CR2 Image Files from any DSLR to a PC is the USB2 interface (and any other devices sharing that link - especially any which cause it to resort to older slower USB1.1 protocol).  The Write Speed of any laptop Internal HDD will be faster than that USB2.  Use of External HDD for Image Storage is usually considered due to either Capacity or Transfer-to-Image-Processing-PC needs.  If such External Storage is desired / needed, then ESATA is amongst the best ways to go (fast, reliable).

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The main purpose of asking this question is my lack of USB ports (2)

Also, when I try to use a USB powered hub I get freezing of Bye or sometimes disconnect of DSLR.

When I don't use the hub I have no problems except all of my equipment is not being used.

Thank you for the answer, bob

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I guess that I am fortunate in that I don't have equipment connection/communication issues, even though I have all my gear connected via a single USB-Cat 5 extender to a single USB port.

 

Have you tried connecting your camera directly to one port with the rest of your equipment connected to the other port via your hub?  If that alleviates your problem then you could get a second port/extender just for the camera.

 

That may have no effect if both USB connections use the same internal USB hub and that is your bottleneck.

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The main purpose of asking this question is my lack of USB ports (2)

 

If you NEED an External HDD for Image Storage AND you have an ESATA Port, then YES it is the best use of that Port - and likely the best way to avoid USB Bus Contention between Download-from-Camera and simultaneous Write-to-External-USB2-HDD.

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