- Professional-speed card featuring 45MB/s read/write speeds
- Extremely durable card tested to work under mpact and in harsh temperature conditions
- Speed up your workflow by adding a FireWire Reader (sold separately)
- Priority technical support both online and via phone
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Product Description
Finally, a card that can keep up with you! With a blindingly fast read/write speed of up to 45MB/second and a remarkably rugged design, the SanDisk Extreme IV CompactFlash memory card takes digital photography to a whole new level. No wonder professional photographers around the world have made SanDisk their preferred choice for high performance, reliability, and proven durability.
Customer Reviews
Most Helpful Customer Reviews
33 of 35 people found the following review helpful
First of all, make sure that if you order this, you get the one that clearly says "45mb/s" and "UDMA" on the card. If not, it's one of the old ones and you should send it back and get a new one somewhere else.
I got mine directly from Amazon and it was as described.
I tested it by taking 30 shots in continuous shooting mode on my new 5D. Compared to the Extreme III card it's only very slightly faster, and even then, only after the first 8 or 10 shots. So unless you plan to take more than 8 shots in one continuous burst (maybe if you're a pro sports photographer?) I would save your money and get the Extreme III.
Update: I should have mentioned those shots wer in RAW. Perhaps the result would have been different if I shot JPGS.
I got mine directly from Amazon and it was as described.
I tested it by taking 30 shots in continuous shooting mode on my new 5D. Compared to the Extreme III card it's only very slightly faster, and even then, only after the first 8 or 10 shots. So unless you plan to take more than 8 shots in one continuous burst (maybe if you're a pro sports photographer?) I would save your money and get the Extreme III.
Update: I should have mentioned those shots wer in RAW. Perhaps the result would have been different if I shot JPGS.
21 of 23 people found the following review helpful
Amazon Verified Purchase
For those who takes a lot of high resolution and action shots this card is a must - was able to take 100 action photos with out having my Rebel XTi suffer a momentary stoppage - In the older Ultra II 8 gig card this action would have force me to break off my shots when its memery buffer couldn't handle the data transfer and storage. Great card - I just purchase my second card for my 2 week trip to Arizona.
10 of 10 people found the following review helpful
Amazon Verified Purchase
Upgraded to this card from my Extreme III 4GB card as I started shooting with a new Canon body. The extra capacity and speed is valuable if you shoot a lot of RAW at high resolution and high speed, like sports. There's a noticeable difference between when I run out of buffer space with this card and its smaller/slower cousins.
On older cameras, make sure they can handle an 8GB card. Also, if you have a slow camera, it may not be able to take advantage of the extra speed, and an Extreme III for a lower price will perform just the same.
Of course, when you have such a large and fast card, make sure you have a reader that can keep up with it, or it will be a long wait at that end. I use the Extreme CF Firewire Reader and it downloads at 25MB/s once I figured out all the right connections (see my review for that product).
On older cameras, make sure they can handle an 8GB card. Also, if you have a slow camera, it may not be able to take advantage of the extra speed, and an Extreme III for a lower price will perform just the same.
Of course, when you have such a large and fast card, make sure you have a reader that can keep up with it, or it will be a long wait at that end. I use the Extreme CF Firewire Reader and it downloads at 25MB/s once I figured out all the right connections (see my review for that product).
Most Recent Customer Reviews
SUPERFAST, Best card money can buy.
The whole Sandisk Extreme IV series of cards are the best out there. I bought this to use as a small, but fast SSD in a mini laptop (would not fit a 2.5" SSD, and 1. Read more
Published 8 months ago by rwallmow
SanDisk Extreme IV
I have had good experience with the San Disk line of flash memory. While there is a slightly faster and much more expensive new San Disk release, few cameras under $5000 can take... Read more
Published on December 25, 2009 by G. Abrantes
No Issues
I bought this compact flash card for a Nikon D300s and it does the job. No issues at all.
Published on November 22, 2009 by E. Wissler
Conflicting reports of counterfeit product?
If the comments on this page that say these $79 SanDisk 8GB Extreme IV Compact Flash memory cards in (in "retail packaging") are counterfeit and unreliable are true the product... Read more
Published on November 8, 2009 by Joey Tranchina
Perfect for Nikon D700 users
As all the SanDisk cards, this one functioned perfectly out of the box. I have quite a collection of SanDisk cards, most being Extreme III cards. Read more
Published on March 3, 2009 by Ken Elliott
counterfeit sandisk extreme iv - beware!
Clue #1 - seller doesn't even use a picture of his own product - this picture is from the site of a legitimate SanDisk retailer. (see BuyDig. Read more
Published on December 23, 2008 by gertielertie
fake sandisk
fake sandisk. only 4GB with a lots of read/write errors.
after contact sandisk this product identified as fake sandisk.
after contact sandisk this product identified as fake sandisk.
Published on May 20, 2008 by well known
Great battery saver
The card writes and reads super fast, so the cpu in the digital camera doesn't have to wait and keep storing the buffer while the card completes the write. Read more
Published on February 28, 2008 by Samuel Lee
Not bad.......
Unless you're using a serious high-end camera, save your money, because you don't need this card; however, if you're recording high bandwidth video or audio, it is worth the money. Read more
Published on October 8, 2007 by Timothy A. Owen
A truly great product
I shoot kids sports and other school activities and I shoot lots of images very quickly. My D200 never slows down for a second. I also have a SanDisk Extreme III 16gb card. Read more
Published on September 22, 2007 by Fred C. Mcclanahan
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