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Huge D800 file import to Windows computers

avisys

Placitas, US
482 posts

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avisys Basic Member
Tue 25-Jun-13 12:31 AM | edited Tue 25-Jun-13 12:35 AM by avisys

Maybe this subject has been covered before, but I don't remember it if it was.

Considering the huge size of D800 files, should I buy a USB3 CF-SD card reader? Is it worth it? Or should I stick with my current USB2 or internal reader?

Well, without sufficient advice, I purchased the Lexar CF/SD USB3 Dual Slot Reader and only then attempted to answer the question: Is it worth the $38.00?

Here are the test results on three different computers. (I did not try a direct camera to computer transfer.)

=========================================================================

SanDisk CF 32GB Extreme Pro 90MB/s UDMA 7 card.
The data was 18.5 GB consisting of 670 images, 50/50 ~45MB NEF and ~14MB JPG files.

I used Windows Explorer to copy all files to an empty folder on the hard drive. Care was taken to avoid any caching.

=========================================================================

HP xw4600 Workstation
Intel Core 2 Duo E6580 @ 3.0 GHZ
4GB RAM, 7200 RPM hard drives
Windows XP 32 bit

Lexar USB3 reader plugged into a USB2 port = 14 minutes, 45 seconds

Card plugged into an HP panel mounted internal USB2 - 22 in 1 card reader = 23 minutes, 7 seconds

=========================================================================

HP Envy M4 Laptop
Intel Core i7 3632 @ 2.20 GHZ
8GB RAM, 7200 RPM hard drive
Windows 8 64 bit

Lexar USB3 reader plugged into a USB3 port = 7 minutes 39 seconds

=========================================================================

HP Z420 Workstation
Intel Xeon E5 1620 @ 3.60 GHZ
10GB RAM, 7200 RPM hard drives
Windows 7 64 bit

Lexar USB3 reader plugged into a USB3 port = 7 minutes 40 seconds

Card plugged into a panel mounted internal USB2 - 22 in 1 card reader = 13 minutes 55 seconds

=========================================================================

Conclusion:

If 7 minutes after coming in from a shoot is meaningful (consider the long term), if you have a USB3 port, get a USB 3 card reader.

If you have only USB 2 ports on your computer, it doesn't make any difference --- keep using them. (Apple users will need to assess their unique ports.) HOWEVER, having an older panel mounted USB 2 - 22 in 1 reader can nearly double the difference again!

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AviSys

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