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Old 11th of January 2011 (Tue)   #1
Jelloneck
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Default 400x vs 600x Compact Flash Card

Hi, so a little background info first. I just purchased a 7D and need to buy a compact flash card, looking at getting one larger card first and then eventually getting another backup later. I will be shooting action, football games, baseball, track and field, and some bird watching. I'm debating between the 16GB 600x and the 32GB 400X. I know this question has been asked a lot and I have read the posts. Unfortunately since I dont have the camera yet I'm wondering if the difference in speed will make a significant difference for what I'm shooting.
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Old 12th of January 2011 (Wed)   #2
crayzie418
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Default Re: 400x vs 600x Compact Flash Card

I don't know. I have a 16GB & just ordered the 32GB 400x UDMA and the card never misses a snap. Even my Sandisk Extreme III cards do more than 20+ RAW shots consecutively no hiccups. I wouldn't worry about speed. Worry about quality of the card and make sure it's UDMA. Good luck!
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Old 12th of January 2011 (Wed)   #3
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Default Re: 400x vs 600x Compact Flash Card

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Originally Posted by crayzie418 View Post
Even my Sandisk Extreme III cards do more than 20+ RAW shots consecutively no hiccups.
Card speed has virtually zero bearing on the number of shots one can shoot at full burst speed. Here's some experiments I did. Here are the conclusions...

Before you splash out on a 60 or 90 MB/s card ask yourself some questions -
  • Do I often fill my camera's buffer?
  • Do I ever fail to get a shot because I'm waiting for the 'Busy' light to go off?
  • Do I have a high-speed card reader?
If the answer to any of those questions is 'Yes' then a high-speed card may be for you. If the answers are all 'No' then you'd probably be wasting your money.
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Old 12th of January 2011 (Wed)   #4
JelleVerherstraeten
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Default Re: 400x vs 600x Compact Flash Card

You should be fine with the 400xx cards.
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Old 12th of January 2011 (Wed)   #5
themadman
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Default Re: 400x vs 600x Compact Flash Card

I have used Transcend 16GB and 32GB 400x cards and they can shoot a ton of shots in jpeg (7D, highest resolution). Essentially indefinitely from what I can tell.
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Old 12th of January 2011 (Wed)   #6
Jelloneck
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Default Re: 400x vs 600x Compact Flash Card

Thanks I decided on the transcend 16gb 400x. I figure if I find myself filling the buffer and needing a faster card I can pick up a faster one later. No point spending more money if this does the job. Just hope I have no problems with transcend memory, first time using them.
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Old 12th of January 2011 (Wed)   #7
texascrane
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Default Re: 400x vs 600x Compact Flash Card

The 16gb 400x transcend is actually a 200x write. The 32gb version is a true 400x write. I think the 32gb 400x transcend card is currently the best value on the market for the 7d. It's fast enough to support unlimited shooting in jpeg and clears the raw buffer very quickly.
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Old 12th of January 2011 (Wed)   #8
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Default Re: 400x vs 600x Compact Flash Card

My 16GB 400x is fast enough to support unlimited jpeg from my experience.
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Old 12th of January 2011 (Wed)   #9
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Default Re: 400x vs 600x Compact Flash Card

I had a few times shooting wildlife on 8fps and held down the button until the buffer filled... around 10 second later as I remember. As I remember the buffer cleared to the Sandisk 60MB card in around 3-4 seconds. Would there have been less down time if I had had the 90MB speed card? Don't know...but I doubt it would have made any signficant difference for me.

So I think a 90MB card is likely not a great value at their current premium prices. But I would not get less than a 16GB 60MB card either.
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Old 12th of January 2011 (Wed)   #10
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Default Re: 400x vs 600x Compact Flash Card

Is ebay the cheapest place to pick up a Transcend 32GB 400x? Thinking of an extra card and this seems to be a good choice.
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Old 12th of January 2011 (Wed)   #11
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Default Re: 400x vs 600x Compact Flash Card

newegg.ca or B&H is prolly a good place for Canada buyers.
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Old 12th of January 2011 (Wed)   #12
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Default Re: 400x vs 600x Compact Flash Card

The Transcend cards are great for the money, I have the 32GB and 16GB and have never had a hiccup.
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Old 12th of January 2011 (Wed)   #13
bc5000
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Default Re: 400x vs 600x Compact Flash Card

I just received my 7D refurb today. The Canon rep said a CF card would be included but it wasn't. Can I get a quality one at Walmart or Walgreens?
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Old 12th of January 2011 (Wed)   #14
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Default Re: 400x vs 600x Compact Flash Card

Quote:
Originally Posted by themadman View Post
newegg.ca or B&H is prolly a good place for Canada buyers.
After tax/shipping, newegg.ca is cheaper by about $10 since there is no duty across border (unlike B&H). Thanks for the heads-up, Will.
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Old 12th of January 2011 (Wed)   #15
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Default Re: 400x vs 600x Compact Flash Card

Quote:
Originally Posted by texascrane View Post
The 16gb 400x transcend is actually a 200x write. The 32gb version is a true 400x write. I think the 32gb 400x transcend card is currently the best value on the market for the 7d. It's fast enough to support unlimited shooting in jpeg and clears the raw buffer very quickly.
Anyone got the Transcend 64Gb?
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