Alley in Pisa, Italy

by Lars Kotthoff

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I am going on a trip with one memory card; should I buy another or would a USB flash drive be helpful for storing images?

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4 Answers 4

Not to supplement but perhaps to complement.

Assuming you don't shoot like crazy, try to get enough cards for the photo trip. This should be your first copy of all your photos and bringing. Do not offload photos if you do not have to.

Then it makes sense to have an extra backup device. Some people use a computer's hard-drive or an external one (possible inside an iPod or Media-Player), which comes to more or less the same. Your backup will be on a fragile and thief-tempting device.

Using the computer, you can backup to those relatively cheap USB devices which are generally quite durable and easier to hide.

Even better, you can use your computer or an independent burner to copy your memory cards to DVDs. Disks are extremely durable, extremely cheap and virtually no value to anyone but yourself. Normally I burn everything twice, keep one copy with me and mail myself the second copy. Replication and duplication like this greatly improve your chances of not losing anything.

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1  
+5 if I could. :) –  mattdm Mar 17 '11 at 14:19
    
@mattdm - Thanks! –  Itai Mar 17 '11 at 16:19

Generally speaking, memory cards and usb storage drives are pretty comparably priced. So the real question is which would you have more use for long term? And will you reliably have any way to transfer images from your memory card onto the USB drive? Usually that's going to require a computer, and well, if you have computer you have a number of other options, such as just storing them on the computer (assuming it's yours) or sending them along to some online storage (assuming the computer has reasonable internet capacity). Or a number of other options Itai lays out.

Personally, in that situation in the past, I voted for the memory card. It was about the same price as a USB flash drive of comparable capacity and speed, but it was far more convenient to just swap from one card to another. (I actually took 2... and still ran out of space and ended up ordering a 3rd from newegg while on the trip, delivered to where I was staying.)

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My rule of thumb for a multi-day trip is to use one card or less in a day so that if a memory card dies or is lost I will not lose all of my photos from the trip. It is rare for memory cards to die, but I have had 2 Lexar Pro memory cards corrupt images in the past 3 years. So a 10-day trip would require a minimum of 10 memory cards, my actual number is more like 14 cards because I am shooting RAW and my cards are 4GB each or less.

I do have an external hard drive backup device that copies memory cards but I no longer use it. For most occasions I have a laptop with me and copy all of the images to the laptop each night for backup and a chance to look at the day's photos. But I do not erase/format the memory cards until after I get home and have all of the images backed up and verified.

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Sorry to comment on my own answer, but I reread your question and want to say that I may use large (32GB) flash drives on my next trip as "insurance" against lost or stolen memory cards or laptop. Using a thumbdrive or two would allow for both my wife and I to carry a complete copy of all photos taken on a trip. –  Dave Nelson Mar 17 '11 at 13:34

A USB flash drive is a lot like a memory card except that you can't use it in your camera. They both are small, have limited capacity compared to a hard drive, and are about the same price.

A memory card will be much more useful to you as a photographer than a USB flash drive.

Since you suggested a USB flash drive I assume you are taking a laptop with you anyway (since you certainly can't use a USB flash drive directly from your camera). If this is the case, why would you not just use the laptop itself as storage for the photos once you clear them off your card? And if you need backup, you can invest in a portable hard drive as well. This works out much cheaper per GB and you also get to have a backup.

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Hmmm. The laptop drive is probably more fragile storage than the memory card. And the portable hard drive not much better, and while having two fragile copies is better than one...... –  mattdm Mar 17 '11 at 14:16
    
The major benefits to the "2 hard drive" strategy are 1. much bigger capacity (I just bought two 750GB drives) for much less money per GB, and 2. you have two copies of the same thing (redundancy). If you are travelling you don't want to buy a dozen $99 memory cards when you could store everything on a single $99 portable hard drive and your laptop. 2.5 inch hard drives are also very shock-resistant. I've had more memory cards/flash drives fail than portable hard drives, and I would trust the hard drives more. –  thomasrutter Mar 18 '11 at 1:59
    
I don't trust either of them, which is why I like Itai's answer. –  mattdm Mar 18 '11 at 2:21
    
If only broadbant was fast, cheap, and world-wide enough that we could send our originals home (or to an online storage service) where-ever we go. –  thomasrutter Mar 18 '11 at 6:04

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